Are you near a Wawa Convenience Store? If so, they are celebrating National Coffee Day on 9/29 with free coffee for all in any size! How to get free coffee: Download and open the iOS app here or Android app here then look for the offer on 9/29. Just head to any Wawa Convenience Store on 9/29 and scoop up your free coffee in any size. * Mobile app required. Must redeem in-store.