Matanuska-Susitna Borough (Talkeetna)
September
Weather in Matanuska-Susitna Borough, Alaska for September 2026
Your guide to Matanuska-Susitna Borough weather in September - trends and predictions
The forecast for the first days of September 2026 in Matanuska-Susitna Borough predicts temperatures to be around 12 °F, close to the historical average.
In general, the average temperature in Matanuska-Susitna Borough at the beginning of September is 12 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 9.3 °F by the end of September.
Matanuska-Susitna Borough experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 144.2 mm.
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Temperatures
Rain 🌧️
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5
Dry days
25
Rainy days
0
Snow days
10°/5°
Temperatures
8 km/h
Avg max wind
84 %
Avg humidity
Matanuska-Susitna Borough Weather September
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Temperatures trend during September in Matanuska-Susitna Borough
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September weather in Matanuska-Susitna Borough day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 14° /1° | 0 mm | 2.6 | |
| Sept. 2 |  Overcast | 13° /4° | 0 mm | 1.9 | |
| Sept. 3 | Overcast | 15° /6° | 0 mm | 5 | |
| Sept. 4 | Overcast | 12° /9° | 14 mm | 3 | |
| Sept. 5 |  Light rain shower | 13° /9° | 18.7 mm | 3 | |
| Sept. 6 | Light rain shower | 8° /6° | 27.9 mm | 2 | |
| Sept. 7 |  Fog | 9° /7° | 3.4 mm | 2 | |
| Sept. 8 |  Partly cloudy | 14° /3° | 0 mm | 4 | |
| Sept. 9 | Sunny | 13° /3° | 0 mm | 4 | |
| Sept. 10 | Overcast | 11° /5° | 0 mm | 4 | |
| Sept. 11 | Sunny | 12° /2° | 0 mm | 4 | |
| Sept. 12 | Partly cloudy | 10° /2° | 0 mm | 3 | |
| Sept. 13 | Overcast | 12° /5° | 1.3 mm | 3 | |
| Sept. 14 |  Moderate or heavy rain shower | 12° /4° | 7.2 mm | 4 | |
| Sept. 15 | Moderate or heavy rain shower | 10° /4° | 30.5 mm | 3 | |
| Sept. 16 | Moderate rain at times | 11° /6° | 1.8 mm | 3 | |
| Sept. 17 | Patchy rain possible | 10° /4° | 2.7 mm | 3 | |
| Sept. 18 | Moderate rain at times | 9° /5° | 6.8 mm | 2 | |
| Sept. 19 | Moderate or heavy rain shower | 11° /5° | 3.2 mm | 3 | |
| Sept. 20 | Patchy rain possible | 10° /4° | 2 mm | 3 | |
| Sept. 21 | Partly cloudy | 11° /4° | 0.9 mm | 4 | |
| Sept. 22 | Overcast | 10° /3° | 1.9 mm | 3 | |
| Sept. 23 |  Cloudy | 8° /3° | 7.3 mm | 2 | |
| Sept. 24 | Patchy rain possible | 11° /3° | 0.7 mm | 3 | |
| Sept. 25 |  Heavy rain at times | 10° /3° | 4 mm | 3 | |
| Sept. 26 | Moderate or heavy rain shower | 7° /3° | 5.2 mm | 2 | |
| Sept. 27 | Moderate rain at times | 8° /3° | 1.8 mm | 2 | |
| Sept. 28 | Cloudy | 9° /1° | 0.1 mm | 3 | |
| Sept. 29 | Partly cloudy | 10° /1° | 0 mm | 4 | |
| Sept. 30 | Overcast | 10° /1° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Matanuska-Susitna 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 Matanuska-Susitna Borough forecast closer to your planned date for the most up-to-date weather information.
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Matanuska-Susitna Borough in September - FAQ
What are the expected maximum and minimum temperatures in Matanuska-Susitna Borough during September?
During September, expect a variety of temperatures with highs around 10° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Matanuska-Susitna Borough during September?
Significant rainfall exceeding 144.2 mm is expected in Matanuska-Susitna Borough during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Matanuska-Susitna Borough during September?
The average wind speed in Matanuska-Susitna Borough during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Matanuska-Susitna Borough
Explore the daily rainfall trends and prepare for Matanuska-Susitna Boroughs September weather 💧
Typically, Matanuska-Susitna Borough has 25 rainy days in September with a total of 144.2 mm of rainfall.
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