How Crowded Is Manzanar in September?
September is an average month at Manzanar National Historic Site, running about 1.1× the park's average month — roughly 9% of the year's visitors come in September. That puts it between the July peak and the January low. Overall our best-time score rates September as "Fair" for a visit. Typical September weather averages a high near 93°F and a low around 58°F, with about 0.1" of precipitation. You'll get about 12.2 hours of daylight to explore.
Frequently Asked Questions
September is average at Manzanar National Historic Site (about 1.1× the average month). Our best-time score rates it "Fair". The single best month overall is March.
The busiest month is July and the quietest is January. September sits at about 1.1× the park's average, or 9% of annual visitation.
Source: National Park Service Visitor Use Statistics (2000–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.