How Crowded Is Thomas Stone National Historic Site in September?

September runs about 1.7× Thomas Stone National Historic Site's average month, which makes it a very busy month here — roughly 14% of the park's yearly visitors come in September.

In a typical September the park sees about 910 recreation visits, based on National Park Service monthly counts from 1992 to 2025.

It is the single busiest month of the year at Thomas Stone; January, the quietest, runs only about 0.3× the average — a 5-to-1 swing between high and low season.

On our Best Time to Visit score September rates 14/100 ("Poor"), versus the top-rated February at 79/100 — the best overall balance of crowds and daylight.

Because June, July and August together draw about 27% of annual visitors, choosing September instead steps outside that summer crush — the single biggest lever on how crowded the park feels.

You'll have about 12.2 hours of daylight in September to explore — between the 9.3-hour midwinter low and the 14.7-hour summer high.

Park-wide, 2024 drew 4,538 recreation visits, down 21.2% from 5,757 in 2023.

Across the past decade overall visitation has eased about 50.2%, so September may feel a touch quieter than it once did.