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Denali · September
September is a good time to visit Denali — quieter than August, busier than October.
Expect moderate crowds (4/10), highs near 50°F, about 13 hours of daylight, and 2 seasonal closures in effect.
Crowd score
A comfortable middle ground: some company on popular trails, but no gridlock.
About 35% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
September draws about 10% of Denali’s yearly visitors.
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
Source: NOAA 1991–2020 climate normals, DENALI 27 N, AK US
What's open
Denali is open 24-hours a day, although services are limited after-hours (generally after 4 pm in winter or 6 pm in summer). There is no gate at the park entrance. Please note that camping is only possible either in designated campgrounds (with a valid reservation) or in the rest of the park with a free backpacking permit.
Seasonal closures may apply:
Summer access to facilities and services in Denali remains altered due to the Pretty Rocks Landslide and the associated closure of the Park Road at Mile 43. Check here for more information on what to expect.
Details on nps.gov →In summer, the Denali Park Road is open to Mile 15 (Savage River) for personal vehicles. Vehicle travel further into the park is limited to transit and tour buses.
Details on nps.gov →Source: NPS Data API
Conditions
Summer access to facilities and services in Denali remains altered due to the Pretty Rocks Landslide and the associated closure of the Park Road at Mile 43. Check here for more information on what to expect.
Details on nps.gov →In summer, the Denali Park Road is open to Mile 15 (Savage River) for personal vehicles. Vehicle travel further into the park is limited to transit and tour buses.
Details on nps.gov →Source: NPS Data API
Context
Alternatives
FAQ
September rates 4/10 for crowds (Moderate) at Denali National Park & Preserve — about 35% of its busiest month. Typical recreation visits: 48,016.
In September, Denali averages a high of 50°F and a low of 33°F, with about 2.2 inches of precipitation.
Entrance to Denali costs $15 (Denali charges an entrance fee year-round. Youth age 15 or younger are free. For people age 16 or older, the $15 entrance fee provides a 7-day entrance permit. Be prepared to show your receipt or pass (digital or physical) if requested by park staff.).
Denali is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
In mid-September, Denali gets about 13 hours of daylight, with sunrise around 5:29 AM and sunset around 6:26 PM.