How Crowded Is Ice Age in September?
September is a quiet month at Ice Age National Scenic Trail, running about 0.8× the park's average month — roughly 7% of the year's visitors come in September. That puts it between the July peak and the February low. Overall our best-time score rates September as "Good" for a visit. Typical September weather averages a high near 72°F and a low around 49°F, with about 3.3" of precipitation. You'll get about 12.3 hours of daylight to explore.
Frequently Asked Questions
September is quiet at Ice Age National Scenic Trail (about 0.8× the average month). Our best-time score rates it "Good". The single best month overall is September.
The busiest month is July and the quietest is February. September sits at about 0.8× the park's average, or 7% of annual visitation.
Source: National Park Service Visitor Use Statistics (2024–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.