Denali · September
Denali in 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 1 seasonal closure in effect.
Crowd score
How busy it gets
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 Oct 2026 · alerts checked Oct 17, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
Typical September visits vs. the year
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
September weather
- Avg high
- 50°F
- Avg low
- 33°F
- Precipitation
- 2.2"
- Sunrise
- 5:29 AM
- Sunset
- 6:26 PM
- Daylight
- 13h
Source: NOAA 1991–2020 climate normals, DENALI 27 N, AK US
What's open
Denali in September: access
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:
- Information
Road Open To: Mile 13 (Mountain Vista)
The Denali Park Road is open to Mile 13, Mountain Vista. Be prepared for winter driving conditions to reach Mile 13.
Source: NPS Data API
Conditions
Current alerts
No additional active alerts or warnings reported for this park.
Source: NPS Data API
Context
Denali crowds across the year
Alternatives
Quieter nearby in September
FAQ
Denali in September
How busy is Denali in September?
September rates 4/10 for crowds (Moderate) at Denali National Park & Preserve — about 35% of its busiest month. Typical recreation visits: 48,016.
What is the weather like at Denali in September?
In September, Denali averages a high of 50°F and a low of 33°F, with about 2.2 inches of precipitation.
How much does it cost to visit Denali?
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.).
When is Denali least crowded?
Denali is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
How many hours of daylight does Denali get in September?
In mid-September, Denali gets about 13 hours of daylight, with sunrise around 5:29 AM and sunset around 6:26 PM.