1. Dunkin' Donuts: Get a free medium hot or iced Dark Roast coffee (limit one per guest). DD Perks members also can get a coupon for a free beverage.
2. Krispy Kreme: The restaurant chain is offering a free Original Glazed Doughnut and free 12-ounce cup of coffee at participating locations. Rewards club members can get double points with the purchase of any coffee drink.
3. Whole Foods Market: Since Sept. 9, the supermarkets have been offering 25-cent 12-ounce cups of coffee and coffee bars. The deal ends Sept. 30.
4. Wawa: Get a free cup of coffee up to 24 ounces (limit one per customer).
5. Pilot Flying J: Use this coupon to get a free 16-ounce cup of coffee or cappuccino.
6. The Coffee Bean & Tea Leaf: Participating locations are offering 50 percent off iced coffee, flavored iced coffee and iced Americanos.
7. Peet's Coffee and Tea: Get a free small cup of Major Dickason's Blend with your food purchase.
8. Cumberland Farms: Text FREECOFFEE to 33733 to get a coupon for a free hot or iced coffee of any size.
9. Sheetz: Get a free cup of coffee. Stores are also giving away free travel mugs to their first 150 customers.
Honorable mention – Caribou Coffee: Instead of offering freebies on National Coffee Day, Caribou is giving back in a different way. For each cup of Amy's Blend purchased, the chain will "donate a cup of coffee to nurses and patients in cancer centers," according to Time.
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