Katmai · September
Katmai in September
September is a good time to visit Katmai — quieter than August, busier than October.
Crowd score
How busy it gets
A comfortable middle ground: some company on popular trails, but no gridlock.
About 42% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
Typical September visits vs. the year
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
September weather
- Avg high
- —
- Avg low
- —
- Precipitation
- 6.1"
- Sunrise
- 5:50 AM
- Sunset
- 6:38 PM
- Daylight
- 12.8h
Source: NOAA 1991–2020 climate normals, Mcneil River SGS, AK US
What's open
Katmai in September: access
Katmai is open 24 hours per day, seven days per week.
No seasonal road or area closures reported for this park.
Source: NPS Data API
Conditions
Current alerts
No current alerts or closures reported for this park.
Source: NPS Data API
Context
Katmai crowds across the year
Alternatives
Quieter nearby in September
FAQ
Katmai in September
How busy is Katmai in September?
September rates 5/10 for crowds (Moderate) at Katmai National Park & Preserve — about 42% of its busiest month. Typical recreation visits: 5,800.
What is the weather like at Katmai in September?
In September, Katmai averages a high of 0°F and a low of 0°F, with about 6.1 inches of precipitation.