How Crowded Is Arkansas Post in September?
September is a quiet month at Arkansas Post National Memorial, running about 0.7× the park's average month — roughly 6% of the year's visitors come in September. That puts it between the May peak and the January low. Overall our best-time score rates September as "Excellent" for a visit. Typical September weather averages a high near 85°F and a low around 66°F, with about 2.6" of precipitation. You'll get about 12.2 hours of daylight to explore.
Frequently Asked Questions
September is quiet at Arkansas Post National Memorial (about 0.7× the average month). Our best-time score rates it "Excellent". The single best month overall is September.
The busiest month is May and the quietest is January. September sits at about 0.7× the park's average, or 6% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.