September is just around the corner, which means it’s time to start filling up that content calendar! And if you’re anything like us, you probably don’t want to spend the last few days of August scrambling to figure out what to post.

When we’re planning content, one of our favorite ways to find inspiration is by looking at the holidays and special observances happening throughout the month. They give you an easy starting point for posts, Stories, Reels, and other content without having to reinvent the wheel every week. Plus, having a plan ahead of time can help you avoid some of the hidden costs of being your own marketing department, namely, the time and energy that goes into constantly figuring out what to post next.

To make your September planning a little easier, we’re sharing our FREE September Content Calendar, complete with four FREE customizable graphics you can use for your weekly holiday and observance posts. Think of them as a little head start from our content team to yours!

So, what holidays and special observances can you actually use for your September content? Let’s get into the full list.

Table of Contents

September Monthly Holidays

All American Breakfast Month
Animal Pain Awareness Month
Atrial Fibrillation Month
Attendance Awareness Month
Baby Safety Month
Backpack Safety America Month
Be Kind To Editors & Writers Month
Better Breakfast Month
Blood Cancer Awareness Month
Bourbon Heritage Month
Childhood Cancer Awareness Month
Cholesterol Education Month
Classical Music Month
Craniofacial Acceptance Month
Gynecologic Cancer Awareness Month
Happy Cat Month
Healthy Aging Month
Histiocytosis Awareness Month
Hunger Action Month
Intergeneration Month
International Childhood Cancer Awareness Month
International People Skills Month
International Speak Out Month
International Square Dancing Month
International Strategic Thinking Month
International Update Your Resume Month
International Women’s Friendship Month
ITP Awareness Month
Library Card Sign-up Month
National Americana Month
National Campus Safety Awareness Month
National Chiari Awareness Month
National Chicken Month
National Child Awareness Month
National Childhood Cancer Awareness Month
National Childhood Obesity Awareness Month
National Cholesterol Education Month
National College Savings Month
National Coupon Month
National Courtesy Month
National DNA, Genomics & Stem Cell Education Month
National Family Meals Month
National Food Safety Education Month
National Head Lice Prevention Month
National Hispanic Heritage Month (9/15-10/15)
National Home Furnishings Month
National Honey Month
National Infant Mortality Awareness Month
National Italian Cheese Month
National Mold Awareness Month
National Mortgage Professional Month
National Mushroom Month
National Ovarian Cancer Awareness Month
National Passport Awareness Month
National Peripheral Artery Disease (PAD) Awareness Month
National Piano Month
National Potato Month
National Preparedness Month

National Prostate Health Month
National Recovery Month
National Rice Month
National Save A Tiger Month
National Service Dog Month
National Sewing Month
National Sickle Cell Awareness Month
National Skin Care Awareness Month
National Spinal Cord Injury Awareness Month
National Wilderness Month
Organic Harvest Month
Pain Awareness Month
Polycystic Ovarian Syndrome (PCOS) Awareness Month
Pulmonary Fibrosis (PF) Awareness Month
Save The Koala Month
Save Your Photos Month
Self Improvement Month
Self-Care Awareness Month
Sexual Health Month
Shameless Promotion Month
Subliminal Communications Month
Thyroid Cancer Awareness Month
Whole Grains Month
World Alzheimer’s Month
World Animal Remembrance Month
World Beach Month

September Weekly Holidays

September 1 – 7 National Childhood Injury Prevention Week
September 6 – 12 Healthcare Environmental Services Week
September 6 – 12 National Suicide Prevention Week
September 6 – 12 National Waffle Week
September 7 – 11 National Payroll Week
September 13 – 19 Balance Awareness Week
September 13 – 19 International Housekeepers Week
September 13 – 19 National Arts in Education Week
September 13 – 19 National Assisted Living Week
September 13 – 19 National Folic Acid Awareness Week
September 13 – 19 National Nephrology Nurses Week
September 13 – 19 National Truck Driver Appreciation Week
September 17 – 23 Constitution Week
September 18 – 27 National Ballroom Dance Week
September 20 – 25 Pollution Prevention Week
September 20 – 26 Child Passenger Safety Awareness Week
September 20 – 26 Deaf Dog Awareness Week
September 20 – 26 International Clean Hands Week
September 20 – 26 International Week of the Deaf
September 20 – 26 National Employ Older Workers Week
September 20 – 26 National Farm Safety & Health Week
September 20 – 26 National Keep Kids Creative Week
September 20 – 26 National Rehabilitation Awareness Week
September 20 – 26 National Security Officer Appreciation Week
September 20 – 26 National Singles Week
September 20 – 26 National Surgical Technologists Week
September 21 – 27 World Mitochondrial Disease Week
September 21 – 27 World Reflexology Week

September Daily Holidays

September 1 Building and Code Staff Appreciation Day
September 1 Chicken Boy’s Day
September 1 Emma M. Nutt Day
September 1 National No Rhyme or Reason Day
September 1 World Letter Writing Day
September 2 Bison-ten Yell Day
September 2 Calendar Adjustment Day
September 2 National Blueberry Popsicle Day
September 2 World Coconut Day
September 3 National Doodle Day
September 3 National Skyscraper Day
September 3 National Welsh Rarebit Day
September 3 U.S. Bowling League Day
September 4 Bring Your Manners To Work Day
September 4 Eat an Extra Dessert Day
September 4 National College Colors Day
September 4 National Food Bank Day
September 4 National Lazy Mom’s Day
September 4 National Macadamia Nut Day
September 4 National Newspaper Carrier Day
September 4 National Wildlife Day
September 5 Franchise Appreciation Day
September 5 International Bacon Day
September 5 International Day of Charity
September 5 National Be Late For Something Day
September 5 National Cheese Pizza Day
September 5 National Tailgating Day
September 5 World Beard Day
September 6 National Coffee Ice Cream Day
September 6 National Read A Book Day
September 6 Pet Rock Day
September 7 Google Commemoration Day
September 7 Labor Day – United States

September 7 Labour Day – Canada
September 7 National Acorn Squash Day
September 7 National Beer Lover’s Day
September 7 National Grandma Moses Day
September 7 National Grateful Patient Day
September 7 National Neither Snow Nor Rain Day
September 7 National Salami Day
September 8 Another Look Unlimited Day
September 8 International Literacy Day
September 8 National Ampersand Day
September 8 National Ants On A Log Day
September 8 National Pediatric Hematology/Oncology Nurses Day
September 8 Pardon Day
September 8 Telephone Tuesday
September 8 World Physical Therapy Day
September 9 Care Bears Share Your Care Day
September 9 National Teddy Bear Day
September 9 National Wiener Schnitzel Day
September 10 National Swap Ideas Day
September 10 National TV Dinner Day
September 10 World Suicide Prevention Day
September 11 Day of the Homeland (Germany)
September 11 Libraries Remember Day
September 11 National 401(k) Day
September 11 National Hot Cross Bun Day
September 11 National Make Your Bed Day
September 11 Patriot Day (US)
September 11 Rosh Hashanah Eve
September 11 Stand Up To Cancer Day
September 12 Farmers’ Consumer Awareness Day
September 12 German Language Day
September 12 International Day for South-South Cooperation
September 12 National Chocolate Milkshake Day
September 12 National Day of Encouragement
September 12 National Iguana Awareness Day
September 12 National Police Woman Day
September 12 National Report Medicare Fraud Day
September 12 National Video Games Day
September 13 International Chocolate Day
September 13 National Celiac Disease Awareness Day
September 13 National Grandparents Day

September 13 National Hug Your Hound Day
September 13 National Kids Take Over The Kitchen Day
September 13 National Peanut Day
September 13 National Pet Memorial Day
September 13 National Programmers Day
September 13 Positive Thinking Day
September 13 Roald Dahl Day
September 13 Uncle Sam Day
September 14 Gedaliah Fast
September 14 National Boss/Employee Exchange Day
September 14 National Coloring Day
September 14 National Cream-Filled Donut Day
September 14 National Eat a Hoagie Day
September 14 National Live Creative Day
September 15 Get Ready Day
September 15 Greenpeace Day
September 15 International Day of Democracy
September 15 International Dot Day
September 15 IT Professionals Day
September 15 Make a Hat Day
September 15 National Cheese Toast Day
September 15 National Creme de Menthe Day
September 15 National Double Cheeseburger Day
September 15 National Felt Hat Day
September 15 National Linguine Day
September 15 National Neonatal Nurses Day
September 15 National Online Learning Day
September 15 National Tackle Kids Cancer Day
September 16 Anne Bradstreet Day
September 16 International Day for the Preservation of the Ozone Layer
September 16 Mayflower Day
September 16 Mexican Independence Day
September 16 National Cinnamon Raisin Bread Day
September 16 National Guacamole Day
September 16 National Play-Doh Day
September 16 National School Backpack Awareness Day
September 16 National Stepfamily Day
September 16 National Tattoo Story Day
September 16 National Working Parents Day
September 16 Stay Away From Seattle Day
September 17 Constitution Day and Citizenship Day
September 17 National Apple Dumpling Day
September 17 National Monte Cristo Day
September 17 National Professional House Cleaners Day
September 17 National Table Shuffleboard Day
September 17 Time’s Up Day
September 17 World Patient Safety Day
September 18 Chiropractic Founders Day
September 18 Hug A Greeting Card Writer Day
September 18 International Equal Pay Day
September 18 International Grenache Day
September 18 National Cheeseburger Day
September 18 National Concussion Awareness Day
September 18 National First Love Day
September 18 National HIV/AIDS and Aging Awareness Day
September 18 National POW/MIA Recognition Day
September 18 National Respect Day
September 18 National Tradesmen Day
September 18 Rice Krispies Treats Day
September 18 The U.S. Air Force Birthday
September 18 World Water Monitoring Day
September 19 Batman Day
September 19 Big Whopper Liar Day
September 19 Boys’ and Girls’ Club Day for Kids
September 19 International Coastal Cleanup Day
September 19 International Eat An Apple Day
September 19 International Red Panda Day
September 19 International Talk Like A Pirate Day
September 19 Locate An Old Friend Day
September 19 National Butterscotch Pudding Day
September 19 National Clean Up Day
September 19 National Dance Day
September 19 National Gymnastics Day
September 19 National Woman Road Warrior Day
September 19 Puppy Mill Awareness Day
September 19 Responsible Dog Ownership Day
September 20 National Fried Rice Day
September 20 National Pepperoni Pizza Day
September 20 National Punch Day
September 20 National String Cheese Day
September 20 Wife Appreciation Day
September 20 Yom Kippur Eve
September 21 International Day of Peace
September 21 Miniature Golf Day
September 21 National Chai Day
September 21 National Pecan Cookie Day
September 21 World Alzheimer’s Day
September 21 Yom Kippur
September 22 1st Day of Fall
September 22 Business Women’s Day
September 22 Chainmail Day
September 22 Dear Diary Day
September 22 Elephant Appreciation Day
September 22 Hobbit Day
September 22 International Day of Radiant Peace
September 22 National Centenarian’s Day
September 22 National Falls Prevention Awareness Day
September 22 National Girls’ Night In Day
September 22 National Ice Cream Cone Day
September 22 National Voter Registration Day
September 22 National White Chocolate Day
September 22 September Equinox
September 22 World Rhino Day
September 23 Celebrate Bisexuality Day
September 23 Innergize Day
September 23 International Day of Sign Languages
September 23 National Checkers Day
September 23 National Dogs in Politics Day
September 23 National Great American Pot Pie Day
September 23 National Snack Stick Day
September 23 National Teal Talk Day
September 23 Restless Legs Awareness Day
September 23 Rosh Hashanah
September 24 Bluebird of Happiness Day
September 24 National Cherries Jubilee Day
September 24 National Punctuation Day
September 24 Remember Me Thursday
September 24 Schwenkfelder Thanksgiving
September 24 World Maritime Day
September 25 Friday Before the AFL Grand Final
September 25 Hug A Vegetarian Day / Hug a Vegan
September 25 International Ataxia Awareness Day
September 25 Love Note Day
September 25 Math Storytelling Day
September 25 National BRAVE Day
September 25 National Comic Book Day
September 25 National Cooking Day

September 25 National Lobster Day
September 25 National One-Hit Wonder Day
September 25 National Psychotherapy Day
September 25 National Research Administrator Day
September 25 National Tune-Up Day
September 25 Native American Day
September 25 Save The Koala Day
September 25 Sukkot Eve
September 25 Support Purple for Platelets Day
September 26 Family Health and Fitness Day USA
September 26 First Day of Sukkot
September 26 Fish Amnesty Day
September 26 International Lace Day
September 26 International Rabbit Day
September 26 Mesothelioma Awareness Day
September 26 Museum Day
September 26 National Better Breakfast Day
September 26 National Compliance Officer Day
September 26 National Dumpling Day
September 26 National Ghost Hunting Day
September 26 National Hunting and Fishing Day
September 26 National Johnny Appleseed Day
September 26 National Pancake Day
September 26 National Public Lands Day
September 26 National Seat Check Saturday
September 26 National Shamu the Whale Day
September 26 National Singles Day
September 26 National Situational Awareness Day
September 26 R.E.A.D. in America Day
September 26 Save Your Photos Day
September 27 Ancestor Appreciation Day
September 27 Daughter’s Day
September 27 Gold Star Mother’s Day
September 27 National Chocolate Milk Day
September 27 National Corned Beef Hash Day
September 27 National Crush a Can Day
September 27 National Gay Men’s HIV/AIDS Awareness Day
September 27 World Day of The Deaf
September 27 World Tourism Day
September 28 Confucius Day
September 28 Family Day
September 28 Fish Tank Floorshow Night
September 28 International Right To Know Day
September 28 National Drink Beer Day
September 28 National Good Neighbor Day
September 28 National Strawberry Cream Pie Day
September 28 World Rabies Day
September 29 Michaelmas
September 29 National Biscotti Day
September 29 National Coffee Day
September 29 VFW Day
September 29 World Heart Day
September 30 Ask a Stupid Question Day
September 30 International Blasphemy Rights Day
September 30 International Podcast Day
September 30 International Translation Day
September 30 National Chewing Gum Day
September 30 National Hot Mulled Cider Day
September 30 National Love People Day
September 30 National Mud Pack Day
September 30 National Women’s Health & Fitness Day

Fall Into a Better Social Media Routine

Whew! That’s a lot of September holidays and observances to work with. Hopefully, this list gave you plenty of ideas to fill those blank spots on your content calendar.

But we also know that coming up with ideas is only one piece of the puzzle. You still need graphics, captions, and time actually to put everything together. If that sounds overwhelming, our Visibility Subscriptions might be just what you need.

We create monthly graphics and captions tailored to your industry, giving you ready-to-use content without adding another task to your to-do list.

See how our Visibility Subscriptions work.

Here’s to less scrolling, less stressing, and more time for the things you actually enjoy!

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