How Crowded Is First State in September?
Average0.9× average month · best-time score 68/100
September is an average month at First State National Historical Park, running about 0.9× the park's average month — roughly 8% of the year's visitors come in September. That puts it between the October peak and the January low. Overall our best-time score rates September as "Good" for a visit. You'll get about 12.2 hours of daylight to explore.
Frequently Asked Questions
September is average at First State National Historical Park (about 0.9× the average month). Our best-time score rates it "Good". The single best month overall is April.
The busiest month is October and the quietest is January. September sits at about 0.9× the park's average, or 8% of annual visitation.
Source: National Park Service Visitor Use Statistics (2023–2025). Updated 2026-06-20.