How Crowded Is Friendship Hill in September?
September is a very busy month at Friendship Hill National Historic Site, running about 3.9× the park's average month — roughly 32% 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 June are easier. Typical September weather averages a high near 77°F and a low around 54°F, with about 3.4" of precipitation. You'll get about 12.2 hours of daylight to explore.
Frequently Asked Questions
September is very busy at Friendship Hill National Historic Site (about 3.9× the average month). Our best-time score rates it "Fair". The single best month overall is June.
The busiest month is September and the quietest is January. September sits at about 3.9× the park's average, or 32% of annual visitation.
Source: National Park Service Visitor Use Statistics (1983–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.