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Matanuska-Susitna Borough (Talkeetna)
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United States weather

Weather in Matanuska-Susitna Borough, Alaska for September 2026

Your guide to Matanuska-Susitna Borough weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Matanuska-Susitna Borough at the beginning of September is 12.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9.3 °F by the end of September.

    • Rain 🌧️

  • Matanuska-Susitna Borough in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 169.1 mm.

    • More

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Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/5°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Matanuska-Susitna Borough Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain at times
13°
2
Patchy rain possible
13°
3
Patchy rain possible
13°
4
Patchy rain possible
14°
5
Patchy rain possible
14°
6
Patchy rain possible
11°
7
Heavy rain at times
11°
8
Moderate rain at times
10°
9
Heavy rain at times
12°
10
Heavy rain at times
12°
11
Moderate or heavy rain shower
10°
12
Moderate rain at times
8°
13
Overcast
12°
14
Moderate or heavy rain shower
12°
15
Moderate or heavy rain shower
10°
16
Moderate rain at times
11°
17
Patchy rain possible
10°
18
Moderate rain at times
9°
19
Moderate or heavy rain shower
11°
20
Patchy rain possible
10°
21
Partly cloudy
11°
22
Overcast
10°
23
Cloudy
8°
24
Patchy rain possible
11°
25
Heavy rain at times
10°
26
Moderate or heavy rain shower
7°
27
Moderate rain at times
8°
28
Cloudy
9°
29
Partly cloudy
10°
30
Overcast
10°

Temperatures trend during September in Matanuska-Susitna Borough

See the weather trend as well as the moving average line

September weather in Matanuska-Susitna Borough day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Moderate rain at times
Moderate rain at times
 13° /8° 3.1 mm 3
Sept. 2 Patchy rain possible
Patchy rain possible
 13° /8° 2.3 mm 3
Sept. 3 Patchy rain possible
Patchy rain possible
 13° /7° 13.8 mm 3
Sept. 4 Patchy rain possible
Patchy rain possible
 14° /8° 1.5 mm 3
Sept. 5 Patchy rain possible
Patchy rain possible
 14° /7° 4.3 mm 3
Sept. 6 Patchy rain possible
Patchy rain possible
 11° /7° 2.3 mm 3
Sept. 7 Heavy rain at times
Heavy rain at times
 11° /7° 6.5 mm 3
Sept. 8 Moderate rain at times
Moderate rain at times
 10° /7° 6.2 mm 3
Sept. 9 Heavy rain at times
Heavy rain at times
 12° /6° 5.9 mm 3
Sept. 10 Heavy rain at times
Heavy rain at times
 12° /7° 2.9 mm 3
Sept. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /7° 7.9 mm 3
Sept. 12 Moderate rain at times
Moderate rain at times
 8° /4° 10.3 mm 3
Sept. 13 Overcast
Overcast
 12° /5° 1.3 mm 3
Sept. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /4° 7.2 mm 4
Sept. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /4° 30.5 mm 3
Sept. 16 Moderate rain at times
Moderate rain at times
 11° /6° 1.8 mm 3
Sept. 17 Patchy rain possible
Patchy rain possible
 10° /4° 2.7 mm 3
Sept. 18 Moderate rain at times
Moderate rain at times
 9° /5° 6.8 mm 2
Sept. 19 Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /5° 3.2 mm 3
Sept. 20 Patchy rain possible
Patchy rain possible
 10° /4° 2 mm 3
Sept. 21 Partly cloudy
Partly cloudy
 11° /4° 0.9 mm 4
Sept. 22 Overcast
Overcast
 10° /3° 1.9 mm 3
Sept. 23 Cloudy
Cloudy
 8° /3° 7.3 mm 2
Sept. 24 Patchy rain possible
Patchy rain possible
 11° /3° 0.7 mm 3
Sept. 25 Heavy rain at times
Heavy rain at times
 10° /3° 4 mm 3
Sept. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /3° 5.2 mm 2
Sept. 27 Moderate rain at times
Moderate rain at times
 8° /3° 1.8 mm 2
Sept. 28 Cloudy
Cloudy
 9° /1° 0.1 mm 3
Sept. 29 Partly cloudy
Partly cloudy
 10° /1° 0 mm 4
Sept. 30 Overcast
Overcast
 10° /1° 0 mm 3
Next
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.
Change Month
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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 11° 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 169.1 mm is expected in Matanuska-Susitna Borough during September, occurring over more than 20 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 9 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 💧
Top locations in Matanuska-Susitna Borough
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Talkeetna
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Location coordinates Where is Matanuska-Susitna Borough?

Get accurate weather forecasts for Matanuska-Susitna Borough, located at latitude 62.324 and longitude -150.109. Stay updated with localized weather information tailored for Matanuska-Susitna Borough.

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