Pen at the ready? Mark down these national days in September! At National Today, we love celebrating 149 September holidays.

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Animal Pain Awareness Month, , ,
Baby Safety Month, , , ,
Better Breakfast Month, ,
Intergeneration Month, ,
National Chicken Month,
National Cholesterol Education Month, ,
National Honey Month,
National Learning and Development Month,
National Papaya Month,
National Peripheral Artery Disease Awareness Month
National Suicide Prevention Month, , ,
Polycystic Ovarian Syndrome Awareness Month, , ,
Self Improvement Month,
Sexual Health Month,
World Alzheimer's Month, , ,
World Candle Month, ,
Hispanic Heritage Month,
Sep 1 Wednesday
American Chess Day
Sep 2 Thursday
VJ Day,
World Coconut Day
Sep 3 Friday
National Lazy Mom’s Day,
National Skyscraper Day
Sep 4 Saturday
Beyoncé’s Birthday,
College Colors Day, ,
​National Wildlife Day
Sep 5 Sunday
International Day of Charity,
National Cheese Pizza Day, ,
Sep 6 Monday
Labor Day , , , ,
National Read a Book Day,
Rosh Hashanah
West Indian Day Parade, ,
Sep 7 Tuesday
Brazil Independence Day, ,
International Day of Clean Air,
National Beer Lovers Day,
Telephone Tuesday
Sep 8 Wednesday
International Literacy Day, ,
Sep 9 Thursday
International Sudoku Day
National Wiener Schnitzel Day, ,
Sep 10 Friday
Ganesh Chaturthi,
National 401(k) Day,
World Suicide Prevention Day
Sep 11 Saturday
German Language Day,
National Make Your Bed Day
Patriot Day,
Sep 12 Sunday
Day of the Homeland, ,
Grandparents Day
National Chocolate Milkshake Day,
National Day of Civic Hacking
National Video Games Day
Sep 13 Monday
European Heritage Days, ,
National Celiac Disease Awareness Day
National Peanut Day
National Pet Memorial Day, ,
Roald Dahl Day
Sep 14 Tuesday
National Coloring Day,
National Cream Filled Donut Day
Sep 15 Wednesday
International Day of Democracy,
International Dot Day
National Linguine Day
National Online Learning Day,
National School Backpack Awareness Day, ,
Shout of Dolores, , ,
Yom Kippur,
Sep 16 Thursday
Get Ready Day
Mexican Independence Day
National Choose Your Chocolate Day
National Guacamole Day
National Pawpaw Day
Sep 17 Friday
Constitution Day
International Patient Safety Day
National Pet Bird Day , ,
Sep 18 Saturday
National Cheeseburger Day,
National Dance Day,
National First Love Day
National HIV/AIDS and Aging Awareness Day
Sep 19 Sunday
National Cleanup Day
National Gymnastics Day, ,
National Meow Like a Pirate Day
Talk Like a Pirate Day
Wife Appreciation Day, ,
Sep 20 Monday
German World Children's Day, , , ,
National Pepperoni Pizza Day
National Punch Day, ,
National Queso Day
Pitru Paksha,
Sep 21 Tuesday
Batman Day,
International Day of Peace,
Mid-Autumn Festival
Sep 22 Wednesday
Fall Equinox
Falls Prevention Awareness Day, ,
Hobbit Day ,
National Elephant Appreciation Day
National Ice Cream Cone Day
National Singles Day
National Temperature Control Day
National White Chocolate Day
Sep 23 Thursday
National Dogs in Politics Day, ,
Redhead Appreciation Day
Sep 24 Friday
AFL Grand Final Friday,
German Sandwich Day,
Heritage Day, , ,
National Cherries Jubilee Day,
Sport Purple for Platelets Day
World Bollywood Day
Sep 25 Saturday
National Bunny Day
National Comic Book Day, ,
National Cooking Day
National Daughters Day, ,
National Hunting and Fishing Day,
National Lobster Day
National Public Lands Day
World’s Biggest Coffee Morning , ,
Sep 26 Sunday
Better Breakfast Day, , , , ,
Family Health & Fitness Day USA,
Gold Star Mother’s and Family Day,
Hoshana Rabbah
Johnny Appleseed Day, ,
National Dumpling Day,
National Family Day
National Mesothelioma Awareness Day, ,
National Pancake Day,
World Heart Day
Sep 27 Monday
National Crush Day
National No Excuses Day, ,
World Tourism Day
Sep 28 Tuesday
Ask a Stupid Question Day
National Drink Beer Day,
National Neighbor Day
National Sons Day, ,
​National Voter Registration Day
World Rabies Day
Sep 29 Wednesday
National Coffee Day,
National Starbucks Day, ,
Sep 30 Thursday
International Podcast Day
​National Love People Day
Sep 5-11
National Waffle Week, , ,
Sep 12-18
Balance Awareness Week, ,
National Assisted Living Week, , , ,
Nephrology Nurses Week,
Sep 13-19
National Eczema Week, ,
Sep 14-20
National Coding Week
Sep 18-Oct 3
Oktoberfest, , , ,
Sep 19-25
​Child Passenger Safety Awareness Week, , ,
​Deaf Dog Awareness Week, ,
National Surgical Technologists Week,
Sep 20-26
​National Rehabilitation Awareness Week, ,