How Crowded Is Sitka in September?
September is a busy month at Sitka National Historical Park, running about 1.5× the park's average month — roughly 13% of the year's visitors come in September. That puts it between the July peak and the December low. Overall our best-time score rates September as "Poor" for a visit. Typical September weather averages a high near 57°F and a low around 45°F, with about 13.8" of precipitation. You'll get about 12.5 hours of daylight to explore.
Frequently Asked Questions
September is busy at Sitka National Historical Park (about 1.5× the average month). Our best-time score rates it "Poor". The single best month overall is April.
The busiest month is July and the quietest is December. September sits at about 1.5× the park's average, or 13% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.