How Crowded Is Franklin Delano Roosevelt Memorial in September?
September is an average month at Franklin Delano Roosevelt Memorial, running about 0.9× the park's average month — roughly 7% of the year's visitors come in September. That puts it between the March peak and the January low. Overall our best-time score rates September as "Good" for a visit. Typical September weather averages a high near 81°F and a low around 64°F, with about 3.9" of precipitation. You'll get about 12.2 hours of daylight to explore.
Frequently Asked Questions
September is average at Franklin Delano Roosevelt Memorial (about 0.9× the average month). Our best-time score rates it "Good". The single best month overall is September.
The busiest month is March and the quietest is January. September sits at about 0.9× the park's average, or 7% of annual visitation.
Source: National Park Service Visitor Use Statistics (1997–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.