Money Is your National Coffee Day cup filled with US-grown coffee? Not likely, but that could change September 29, 2021September 29, 2021 Mike Snider, USA TODAY Comments Off on Is your National Coffee Day cup filled with US-grown coffee? Not likely, but that could change For National Coffee Day, we look at how much coffee Americans drink and where in the U.S. coffee is being grown – and why it costs $50 to $80 per bag.