How Crowded Is World War I Memorial in September?
Average0.9× average month · best-time score 55/100
September is an average month at World War I Memorial, running about 0.9× the park's average month — roughly 8% of the year's visitors come in September. That puts it between the April peak and the January low. Overall our best-time score rates September as "Fair" for a visit. You'll get about 12.2 hours of daylight to explore.
Frequently Asked Questions
September is average at World War I Memorial (about 0.9× the average month). Our best-time score rates it "Fair". The single best month overall is January.
The busiest month is April 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 (2021–2025). Updated 2026-06-20.