How Crowded Is George Washington Birthplace National Monument in September?

September runs about 1× George Washington Birthplace National Monument's average month, which makes it an average month here — roughly 8% of the park's yearly visitors come in September.

In a typical September the park sees roughly 8,900 recreation visits, based on National Park Service monthly counts from 1979 to 2025.

That makes September the 7th-busiest of the park's twelve months, sitting between the July peak (2.3×) and the January low (0.2×).

On our Best Time to Visit score September rates 69/100 ("Good") — the single best-rated month at George Washington Birthplace, balancing crowds against weather and daylight.

Typical September weather, from 1991–2020 NOAA climate normals at the nearest station, averages a daytime high near 80°F and an overnight low around 60°F, with about 4.2" of precipitation.

That average of about 70°F is a comfortable range for hiking and being outdoors all day.

Because June, July and August together draw about 45% 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 9.4-hour midwinter low and the 14.6-hour summer high.

Park-wide, 2025 drew 72,072 recreation visits, up 22.2% from 58,983 in 2024.

Across the past decade overall visitation has eased about 32.3%, so September may feel a touch quieter than it once did.