Just to update, according to Starwood hotels, the Richmond Sheraton airport hotel is full from Sept 7-12. No rooms available which include the club rooms. This means the percentage of rooms set aside for regular travelers have been reserved.
There was one club room open for one night.. Sept 7 and check out Sept 8 and that was it. There was an announcement at the top of the webpage that said "there are no rooms available Sept 7-12"