Denali Borough (Denali National Park)
September
Weather in Denali Borough, Alaska for September 2025
Your guide to Denali Borough weather in September - trends and predictions
In general, the average temperature in Denali Borough at the beginning of September is 15.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 5.1 °F by the end of September.
Denali Borough in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 79.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
11
Dry days
19
Rainy days
0
Snow days
10°/4°
Temperatures
11 km/h
Avg max wind
83 %
Avg humidity
Denali Borough Weather September
Move between months or click on a day
Temperatures trend during September in Denali Borough
See the weather trend as well as the moving average line
September weather in Denali Borough day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 14° /5° | 0 mm | 4 | |
| Sept. 2 | Partly cloudy | 15° /5° | 0 mm | 5 | |
| Sept. 3 |  Overcast | 17° /7° | 0 mm | 4 | |
| Sept. 4 |  Cloudy | 13° /6° | 0.1 mm | 3 | |
| Sept. 5 | Overcast | 16° /7° | 0 mm | 4 | |
| Sept. 6 |  Moderate or heavy rain shower | 17° /8° | 7.2 mm | 4 | |
| Sept. 7 |  Patchy rain possible | 15° /9° | 1.9 mm | 3 | |
| Sept. 8 |  Heavy rain at times | 11° /8° | 5.8 mm | 3 | |
| Sept. 9 | Patchy rain possible | 13° /5° | 0.4 mm | 3 | |
| Sept. 10 | Moderate or heavy rain shower | 11° /7° | 14.3 mm | 3 | |
| Sept. 11 | Cloudy | 12° /4° | 0 mm | 3 | |
| Sept. 12 | Patchy rain possible | 10° /5° | 2.6 mm | 3 | |
| Sept. 13 | Patchy rain possible | 10° /6° | 0.8 mm | 3 | |
| Sept. 14 | Patchy rain possible | 9° /4° | 0.3 mm | 2 | |
| Sept. 15 | Moderate or heavy rain shower | 11° /6° | 5.4 mm | 3 | |
| Sept. 16 | Moderate or heavy rain shower | 8° /5° | 14.7 mm | 2 | |
| Sept. 17 | Overcast | 8° /3° | 1.2 mm | 2 | |
| Sept. 18 | Moderate rain at times | 9° /4° | 2.1 mm | 2 | |
| Sept. 19 | Moderate or heavy rain shower | 6° /2° | 13 mm | 2 | |
| Sept. 20 | Patchy rain possible | 7° /1° | 0.3 mm | 2 | |
| Sept. 21 | Overcast | 6° /0° | 0.1 mm | 2 | |
| Sept. 22 | Overcast | 6° /0° | 0 mm | 2 | |
| Sept. 23 | Overcast | 6° /2° | 0.5 mm | 2 | |
| Sept. 24 | Patchy rain possible | 4° /2° | 2.7 mm | 1 | |
| Sept. 25 | Patchy rain possible | 3° /2° | 2 mm | 1 | |
| Sept. 26 | Patchy rain possible | 3° /1° | 2.1 mm | 1 | |
| Sept. 27 | Patchy rain possible | 4° /0° | 2.3 mm | 1 | |
| Sept. 28 | Cloudy | 6° /-1° | 0 mm | 2 | |
| Sept. 29 | Partly cloudy | 8° /-1° | 0 mm | 3 | |
| Sept. 30 | Partly cloudy | 8° /0° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Denali Borough 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 Borough forecast closer to your planned date for the most up-to-date weather information.
Change Month
Denali Borough in September - FAQ
What are the expected maximum and minimum temperatures in Denali Borough during September?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.
How much rainfall should be expected in Denali Borough during September?
Moderate rainfall is anticipated in Denali Borough during September, with a total of 79.8 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Denali Borough during September?
The average wind speed in Denali Borough during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Denali Borough
Explore the daily rainfall trends and prepare for Denali Boroughs September weather 💧
Top locations in Denali Borough
Select a location for an accurate weather forecast
More Locations Quick links
More Denali Borough weather pages
You are here
Where is Denali Borough?Get accurate weather forecasts for Denali Borough, located at latitude 63.541 and longitude -151.724. Stay updated with localized weather information tailored for Denali Borough.
Found a mistake?
We appreciate your attention to details. Tell us here.