National Cheeseburger Day is celebrated every September 18. That’s today! And that means that it’s easy to snag awesome cheeseburger deals today — including free cheeseburgers — from burger chains like Wendy’s, BurgerFi, and Red Robin.
Why is National Cheeseburger Day today? No reason in particular. Like so many of these made-up food holidays, someone decided September 18 sounded like as good a day as any to honor the almighty cheeseburger.