- September 1: National Cherry Popover Day
- September 2: National Blueberry Popsicle Day
- September 3: National Welsh Rarebit Day
- September 4: National Macadamia Nut Day
- September 5: National Cheese Pizza Day
- September 6: National Coffee Ice Cream Day
- September 7: National Acorn Squash Day
- September 7: National Salami Day
- September 9: National Steak Au Poivre Day
- September 9: Wiener schnitzel Day
- September 10: Brigadeiro Day (Brazil)
- September 10: National TV Dinner Day
- September 11: National Hot Cross Bun Day
- September 12: National Chocolate Milkshake Day
- September 13: Cachaça Day (Brazil)
- September 13: National Peanut Day
- September 14: National Cream-Filled Donut Day
- September 14: National Eat a Hoagie Day
- September 15: National Cheese Toast Day
- September 15: National Crème de Menthe Day
- September 15: National Double Cheeseburger Day
- September 15: National Linguine Day
- September 16: National Cinnamon-Raisin Bread Day
- September 16: National Guacamole Day
- September 17: National Apple Dumpling Day
- September 17: National Monte Cristo Sandwich Day
- September 18: National Cheeseburger Day
- September 19: National Butterscotch Pudding Day
- September 20: National Punch Day
- September 20: National Queso Day
- September 20: National Rum Punch Day
- September 25: National Quesadilla Day
- September 26: National Better Breakfast Day
- September 27: National Chocolate Milk Day
- September 28: Family Day, A Day to Eat Dinner with Your Children
- September 29: National Coffee Day
- September 30: National Hot Mulled Cider Day
All months: the food holiday calendar.