| National Biscuit Month |
| Better Breakfast Month |
| National Chicken Month |
| National Cholesterol Education Month |
| National Honey Month |
| National Mushroom Month |
| National Organic Harvest Month |
| National Papaya Month |
| National Potato Month |
| National Rice Month |
| National Waffle Week |
First Week |
| Biscuit and Gravy Week |
Second Week |
| Vegetarian Awareness Week |
Second Week |
| National Wild Rice Week |
Fourth Week |
| National Cherry Popover Day |
September 1 |
| Wine Season Begins |
September 1 |
| Oyster Season Begins |
September 1 |
| National Blueberry Popsicle Day |
September 2 |
| National Welsh Rarebit Day |
September 3 |
| National Macadamia Nut Day |
September 4 |
| National Cheese Pizza Day |
September 5 |
| National Coffee Ice Cream Day |
September 6 |
| National Acorn Squash Day |
September 7 |
| National Date Nut Bread Day |
September 8 |
| Weinerschnitzel Day |
September 9 |
| TV Dinner Day |
September 10 |
| National Hot Cross Bun Day |
September 11 |
| National Chocolate Milkshake Day |
September 12 |
| National Peanut Day |
September 13 |
| Snack a Pickle Time |
September 13 |
| National Cream Filled Donut Day |
September 14 |
| Eat a Hoagie Day |
September 14 |
| National Linguini Day |
September 15 |
| National Guacamole Day |
September 16 |
| National Apple Dumpling Day |
September 17 |
| National Cheeseburger Day |
September 18 |
| National Butterscotch Pudding Day |
September 19 |
| National Rum Punch Day |
September 20 |
| International Banana Festival |
September 21 |
| National Pecan Cookie Day |
September 21 |
| National Ice Cream Cone Day |
September 22 |
| National White Chocolate Day |
September 23 |
| National Cherries Jubilee Day |
September 24 |
| Crab Meat Newburg Day |
September 25 |
| National Food Service Employees Day |
September 25 |
| Pancake Lovers Day |
September 26 |
| National Chocolate Milk Day |
September 27 |
| National Corned Beef Hash Day |
September 27 |
| Strawberry Cream Pie Day |
September 28 |
| Drink Beer Day |
September 28 |
| National Coffee Day |
September 29 |
| National Hot Mulled Cider Day |
September 30 |