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Weather in Denali National Park, Alaska for September 2026

Your guide to Denali National Park weather in September - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Denali National Park usually enjoys a light touch of snow in September.

  • Temperatures

  • In general, the average temperature in Denali National Park at the beginning of September is 14.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 4.6 °C by the end of September.

  • Rain 🌧️

  • Denali National Park in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 60.5 mm.

  • More

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Average dry days
11
Dry days
Average rainy days
16
Rainy days
Average snowy days
3
Snow days
Average temperatures
9°/3°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Denali National Park Weather September

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Temperatures trend during September in Denali National Park

See the weather trend as well as the moving average line

September weather in Denali National Park day by day

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Date Weather Temperatures Rain Snow More
Sept. 1 Partly cloudy
Partly cloudy
14° /6° 1.3 mm 0 cm
Sept. 2 Partly cloudy
Partly cloudy
15° /6° 1.5 mm 0 cm
Sept. 3 Overcast
Overcast
14° /7° 4.8 mm 0 cm
Sept. 4 Cloudy
Cloudy
13° /7° 0.7 mm 0 cm
Sept. 5 Overcast
Overcast
14° /6° 0.4 mm 0 cm
Sept. 6 Moderate or heavy rain shower
Moderate or heavy rain shower
16° /6° 3.6 mm 0 cm
Sept. 7 Patchy rain possible
Patchy rain possible
14° /8° 1.2 mm 0 cm
Sept. 8 Heavy rain at times
Heavy rain at times
12° /8° 3.1 mm 0 cm
Sept. 9 Patchy rain possible
Patchy rain possible
13° /6° 0.2 mm 0 cm
Sept. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
11° /7° 7.8 mm 0 cm
Sept. 11 Cloudy
Cloudy
10° /3° 0.4 mm 0 cm
Sept. 12 Patchy rain possible
Patchy rain possible
8° /2° 1.3 mm 0 cm
Sept. 13 Patchy rain possible
Patchy rain possible
7° /3° 1.7 mm 0.3 cm
Sept. 14 Patchy rain possible
Patchy rain possible
8° /2° 0.2 mm 0 cm
Sept. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
10° /4° 2.7 mm 0 cm
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
11° /4° 7.3 mm 0 cm
Sept. 17 Overcast
Overcast
9° /3° 0.6 mm 0 cm
Sept. 18 Moderate rain at times
Moderate rain at times
11° /4° 1 mm 0 cm
Sept. 19 Moderate or heavy rain shower
Moderate or heavy rain shower
9° /3° 6.5 mm 0 cm
Sept. 20 Patchy rain possible
Patchy rain possible
7° /3° 2.2 mm 0 cm
Sept. 21 Overcast
Overcast
6° /2° 2.3 mm 0 cm
Sept. 22 Overcast
Overcast
6° /1° 0.4 mm 0 cm
Sept. 23 Overcast
Overcast
6° /0° 0.2 mm 0 cm
Sept. 24 Patchy rain possible
Patchy rain possible
5° /1° 1.4 mm 0 cm
Sept. 25 Patchy rain possible
Patchy rain possible
3° /1° 1.4 mm 0 cm
Sept. 26 Patchy rain possible
Patchy rain possible
2° /0° 4.1 mm 2.2 cm
Sept. 27 Patchy rain possible
Patchy rain possible
4° /-1° 1.9 mm 0.6 cm
Sept. 28 Cloudy
Cloudy
5° /-2° 0 mm 0 cm
Sept. 29 Partly cloudy
Partly cloudy
6° /-2° 0 mm 0 cm
Sept. 30 Partly cloudy
Partly cloudy
7° /-2° 0 mm 0 cm
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Important Notice
Our weather forecast for Denali National Park in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Denali National Park forecast closer to your planned date for the most up-to-date weather information.

Denali National Park in September - FAQ

What are the expected maximum and minimum temperatures in Denali National Park during September?

Prepare for cooler days with highs just around 9° and colder nights, dipping below 3°.

How much rainfall should be expected in Denali National Park during September?

Moderate rainfall is anticipated in Denali National Park during September, with a total of 60.5 mm spread over approximately 16 days. Considering plans for rainy days is advisable.

Will it snow in Denali National Park in September 2026?

Denali National Park experiences an average snowfall of 3.11 cm during September, occurring over 3 days.

What are the typical wind conditions in Denali National Park during September?

The average wind speed in Denali National Park during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

Denali National Park snow forecast September 2026

Track daily snowfall levels and discover Denali National Park’s snowy potential this September ❄️
On average, Denali National Park sees 3 snowy days during September, with approximately 3.1 cm of total snowfall.

September rainfall patterns in Denali National Park

Explore the daily rainfall trends and prepare for Denali National Parks September weather 💧
Typically, Denali National Park has 16 rainy days in September with a total of 60.5 mm of rainfall.

Quick links

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Location coordinates Where is Denali National Park?

Get accurate weather forecasts for Denali National Park, located at latitude 63.541 and longitude -151.724. Stay updated with localized weather information tailored for Denali National Park.

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