How Crowded Is Thomas Stone in September?
September is a very busy month at Thomas Stone National Historic Site, running about 1.7× the park's average month — roughly 14% of the year's visitors come in September. It is in fact the busiest month of the year here, so expect full parking lots, busy trails and booked-out campgrounds. If crowds bother you, January (the quietest month) or the recommended February are easier. You'll get about 12.2 hours of daylight to explore.
Frequently Asked Questions
September is very busy at Thomas Stone National Historic Site (about 1.7× the average month). Our best-time score rates it "Poor". The single best month overall is February.
The busiest month is September and the quietest is January. September sits at about 1.7× the park's average, or 14% of annual visitation.
Source: National Park Service Visitor Use Statistics (1992–2025). Updated 2026-06-20.