EDISON - September 29 is National Coffee Day - and many stores across New Jersey are offering free coffee or deals to celebrate the day.

Dunkin' Donuts is offering a free medium cup of their dark roast coffee in either hot or iced varieties.

Wawa will offer customers free coffee of any size all day at each of their stores. The company says it expects to give away a million cups of coffee on Tuesday.

Whole Foods will sell 12 ounce cups of coffee for 25 cents until Wednesday.

Panera Bread will continue to offer free coffee for rewards members.