Weather Almanac: Wasilla, AK 99654

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 2.93"
September days below freezing
📉 ≈5.0 days
Average September lows 37°F – 43°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Jun 5
First Fall Frost (36°F)
🍂 Aug 31
F: Forecast
H: Normal High Temp
L: Normal Low Temp
Tue. September 1  

🌅 6:46 a.m.

H: 59°F – 69°F

L: 38°F – 49°F

🌇 9:07 p.m.

Wed. September 2  

🌅 6:49 a.m.

H: 59°F – 68°F

L: 38°F – 49°F

🌇 9:04 p.m.

Thu. September 3  

🌅 6:51 a.m.

H: 59°F – 68°F

L: 37°F – 49°F

🌇 9:01 p.m.

Fri. September 4  

🌅 6:54 a.m.

H: 58°F – 68°F

L: 37°F – 49°F

🌇 8:57 p.m.

Sat. September 5  

🌅 6:56 a.m.

H: 58°F – 67°F

L: 37°F – 49°F

🌇 8:54 p.m.

Sun. September 6  

🌅 6:59 a.m.

H: 58°F – 67°F

L: 36°F – 49°F

🌇 8:51 p.m.

Mon. September 7 Labor Day  

🌅 7:01 a.m.

H: 57°F – 67°F

L: 36°F – 49°F

🌇 8:48 p.m.

Tue. September 8  

🌅 7:04 a.m.

H: 57°F – 66°F

L: 36°F – 48°F

🌇 8:45 p.m.

Wed. September 9  

🌅 7:06 a.m.

H: 57°F – 66°F

L: 35°F – 48°F

🌇 8:41 p.m.

Thu. September 10  

🌅 7:09 a.m.

H: 56°F – 66°F

L: 35°F – 48°F

🌇 8:38 p.m.

Fri. September 11  

🌅 7:11 a.m.

H: 56°F – 65°F

L: 35°F – 48°F

🌇 8:35 p.m.

Sat. September 12  

🌅 7:14 a.m.

H: 55°F – 65°F

L: 34°F – 48°F

🌇 8:32 p.m.

Sun. September 13  

🌅 7:17 a.m.

H: 55°F – 65°F

L: 34°F – 47°F

🌇 8:28 p.m.

Mon. September 14 Holy Cross  

🌅 7:19 a.m.

H: 55°F – 64°F

L: 34°F – 47°F

🌇 8:25 p.m.

Tue. September 15  

🌅 7:22 a.m.

H: 54°F – 64°F

L: 33°F – 47°F

🌇 8:22 p.m.

Wed. September 16  

🌅 7:24 a.m.

H: 54°F – 64°F

L: 33°F – 47°F

🌇 8:19 p.m.

Thu. September 17  

🌅 7:27 a.m.

H: 53°F – 63°F

L: 33°F – 47°F

🌇 8:16 p.m.

Fri. September 18  

🌅 7:29 a.m.

H: 53°F – 63°F

L: 32°F – 46°F

🌇 8:12 p.m.

Sat. September 19  

🌅 7:32 a.m.

H: 52°F – 62°F

L: 32°F – 46°F

🌇 8:09 p.m.

Sun. September 20  

🌅 7:34 a.m.

H: 52°F – 62°F

L: 31°F – 46°F

🌇 8:06 p.m.

Mon. September 21  

🌅 7:37 a.m.

H: 52°F – 62°F

L: 31°F – 46°F

🌇 8:03 p.m.

Tue. September 22 Autumn Equinox  

🌅 7:39 a.m.

H: 51°F – 61°F

L: 31°F – 45°F

🌇 7:59 p.m.

Wed. September 23  

🌅 7:42 a.m.

H: 51°F – 61°F

L: 30°F – 45°F

🌇 7:56 p.m.

Thu. September 24  

🌅 7:44 a.m.

H: 50°F – 60°F

L: 30°F – 45°F

🌇 7:53 p.m.

Fri. September 25  

🌅 7:47 a.m.

H: 50°F – 60°F

L: 30°F – 44°F

🌇 7:50 p.m.

Sat. September 26 🌕

🌅 7:49 a.m.

H: 49°F – 60°F

L: 29°F – 44°F

🌇 7:47 p.m.

Sun. September 27  

🌅 7:52 a.m.

H: 49°F – 59°F

L: 29°F – 44°F

🌇 7:43 p.m.

Mon. September 28  

🌅 7:55 a.m.

H: 48°F – 59°F

L: 28°F – 43°F

🌇 7:40 p.m.

Tue. September 29  

🌅 7:57 a.m.

H: 47°F – 58°F

L: 28°F – 43°F

🌇 7:37 p.m.

Wed. September 30  

🌅 8:00 a.m.

H: 47°F – 58°F

L: 27°F – 43°F

🌇 7:34 p.m.


Temperature climatic data from weather station: WASILLA 3 S (USC00509759)

Precipitation climatic data from weather station: ANDERSON LAKE (USC00500302)

Agricultural climatic data from weather station: WASILLA 3 S (USC00509759)