This National Coffee Day, Dunkin’ Donuts is inviting its guests to share the coffee love with a free coffee. Dunkin’ Donuts announced that on National Coffee Day, September 29, any guest who purchases a medium, large or extra large cup of the brand’s signature hot coffee will receive an additional medium-sized hot coffee for free at participating Dunkin’ Donuts restaurants nationwide.

“Connecting over coffee with friends, family and colleagues is often a key part of an on-the-go day. This National Coffee Day, we’re celebrating this spirit of sharing by giving our guests a free medium-sized coffee when they buy a medium or larger cup, making it easy and affordable to bring the joy of coffee to their favorite people, or to perhaps keep themselves extra energized to make the most of the day,” says Tom Manchester, vice president, field marketing, Dunkin’ Donuts

For National Coffee Day 2017, Dunkin’ Donuts is celebrating the tastes of autumn with an array of coffees featuring favorite fall flavors. In addition to its popular Pumpkin flavored hot and iced coffees and lattes, this year Dunkin’ Donuts introduced Maple Pecan flavored coffees and lattes, serving a sweet and nutty taste for an exciting way to stay fueled for fall.

Dunkin’ Donuts sells more than 1.9 billion cups of hot and iced coffee globally every year. Dunkin’ Donuts has a full lineup of coffee choices perfect for keeping energized throughout each and every fall day, including Frozen Dunkin’ Coffee, hot and iced coffee and espresso beverages, Cold Brew coffee, and ready-to-drink bottled iced coffees.