Find your favorite holidays in September. The Holidays and celebrations by Category and Region.
Holidays in September. Your Favorite Holidays and Celebartions.
| Date | Holiday | Category | Region |
| Sep. 1 | American Chess Day | Fun, Sports | U.S. |
| Sep. 1 | College Colors Day | Fun | U.S. |
| Sep. 2 | VJ Day | International | U.S. |
| Sep. 2 | World Coconut Day | Food | World |
| Sep. 3 | Labor Day | Federal | U.S. |
| Sep. 3 | National Skyscraper Day | Fun | U.S. |
| Sep. 3 | West Indian Day Parade | Fun | U.S. |
| Sep. 5 | International Day of Charity | Cause, International | World |
| Sep. 5 | National Cheese Pizza Day | Food | U.S. |
| Sep. 5 | Telephone Tuesday | Fun | U.S. |
| Sep. 6 | National Read a Book Day | Fun | U.S. |
| Sep. 7 | National Beer Lover’s Day | Drinking | U.S. |
| Sep. 8 | German Language Day | Education, International | World |
| Sep. 8 | International Literacy Day | Cause, International | World |
| Sep. 9 | Day of the Homeland | International | World |
| Sep. 9 | European Heritage Days | Education, International | World |
| Sep. 9 | International Sudoku Day | Fun, International | World |
| Sep. 9 | National Wiener Schnitzel Day | Food | U.S. |
| Sep. 9 | Rosh Hashanah | World | |
| Sep. 10 | National Grandparents Day | Family | U.S. |
| Sep. 11 | Islamic New Year | Religious | World |
| Sep. 11 | National Day of Service and Remembrance | Cause | U.S. |
| Sep. 11 | National Make Your Bed Day | Fun | U.S. |
| Sep. 12 | Ganesh Chaturthi | Religious | World |
| Sep. 12 | National Video Games Day | Technology | U.S. |
| Sep. 13 | National Peanut Day | Food | U.S. |
| Sep. 14 | National Coloring Day | Fun | U.S. |
| Sep. 15 | International Day of Democracy | International | World |
| Sep. 15 | International Dot Day | Fun, International | World |
| Sep. 15 | National Linguine Day | Food | U.S. |
| Sep. 15 | Shout of Dolores | International | Mexico |
| Sep. 16 | Mexican Independence Day | Federal | Mexico |
| Sep. 16 | National Guacamole Day | Food | U.S. |
| Sep. 17 | Batman Day | Fun | U.S. |
| Sep. 17 | Constitution Day | Federal | U.S. |
| Sep. 18 | National Cheeseburger Day | Food | U.S. |
| Sep. 18 | Yom Kippur | Religious | World |
| Sep. 19 | National Meow Like a Pirate Day | Pets | U.S. |
| Sep. 19 | International Talk Like a Pirate Day | Fun, International | World |
| Sep. 20 | Ashurah | Religious | World |
| Sep. 20 | German World Children’s Day | Family | World |
| Sep. 20 | National Pepperoni Pizza Day | Food | U.S. |
| Sep. 21 | International Day of Peace | Cause, International | World |
| Sep. 22 | First Day of Fall | Environmental | U.S. |
| Sep. 22 | National Ice Cream Cone Day | Food | U.S. |
| Sep. 22 | World Plant Milk Day | Food | U.S. |
| Sep. 23 | National Dogs in Politics Day | Pets | U.S. |
| Sep. 23 | Sukkot | Religious | World |
| Sep. 24 | National Cherries Jubilee Day | Food | U.S. |
| Sep. 25 | Heritage Day | Fun | World |
| Sep. 25 | National Comic Book Day | Fun, Sci-Fi | U.S. |
| Sep. 25 | National Cooking Day | Food, Fun | U.S. |
| Sep. 25 | National Lobster Day | Food | U.S. |
| Sep. 26 | Johnny Appleseed Day | U.S. | |
| Sep. 26 | National Family Day | Family | U.S. |
| Sep. 26 | National Pancake Day | Food | U.S. |
| Sep. 27 | World Tourism Day | Fun | World |
| Sep. 28 | AFL Grand Final Friday | Drinking, Family, Food, Sports | Australia |
| Sep. 28 | German Sandwich Day | Food | World |
| Sep. 28 | National Drink Beer Day | Drinking | U.S. |
| Sep. 28 | World Rabies Day | Cause | World |
| Sep. 29 | National Coffee Day | Drinking | U.S. |
| Sep. 30 | International Podcast Day | International, Technology | World |
| September | National Peripheral Artery Disease Awareness Month | U.S. | |
| September | National Suicide Prevention Month | Health | U.S. |
| September | Polycystic Ovarian Syndrome Awareness Month | Health | U.S. |