Weather Almanac: West Glacier, MT 59936

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 1.76"
September days below freezing
📉 ≈8.4 days
Average September lows ≈36.5°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always
Tue. September 1  

🌅 6:51 a.m.

H: ≈69.9°F

L: ≈40.1°F

🌇 8:14 p.m.

Wed. September 2  

🌅 6:53 a.m.

H: ≈69.5°F

L: ≈39.9°F

🌇 8:12 p.m.

Thu. September 3  

🌅 6:54 a.m.

H: ≈69.0°F

L: ≈39.7°F

🌇 8:10 p.m.

Fri. September 4  

🌅 6:56 a.m.

H: ≈68.5°F

L: ≈39.5°F

🌇 8:08 p.m.

Sat. September 5  

🌅 6:57 a.m.

H: ≈68.0°F

L: ≈39.3°F

🌇 8:06 p.m.

Sun. September 6  

🌅 6:58 a.m.

H: ≈67.5°F

L: ≈39.1°F

🌇 8:04 p.m.

Mon. September 7 Labor Day  

🌅 7:00 a.m.

H: ≈67.0°F

L: ≈38.8°F

🌇 8:02 p.m.

Tue. September 8  

🌅 7:01 a.m.

H: ≈66.5°F

L: ≈38.6°F

🌇 8:00 p.m.

Wed. September 9  

🌅 7:02 a.m.

H: ≈66.0°F

L: ≈38.3°F

🌇 7:58 p.m.

Thu. September 10  

🌅 7:04 a.m.

H: ≈65.5°F

L: ≈38.1°F

🌇 7:56 p.m.

Fri. September 11  

🌅 7:05 a.m.

H: ≈65.0°F

L: ≈37.8°F

🌇 7:54 p.m.

Sat. September 12  

🌅 7:07 a.m.

H: ≈64.5°F

L: ≈37.6°F

🌇 7:52 p.m.

Sun. September 13  

🌅 7:08 a.m.

H: ≈63.9°F

L: ≈37.3°F

🌇 7:50 p.m.

Mon. September 14 Holy Cross  

🌅 7:09 a.m.

H: ≈63.4°F

L: ≈37.0°F

🌇 7:47 p.m.

Tue. September 15  

🌅 7:11 a.m.

H: ≈62.9°F

L: ≈36.7°F

🌇 7:45 p.m.

Wed. September 16  

🌅 7:12 a.m.

H: ≈62.4°F

L: ≈36.5°F

🌇 7:43 p.m.

Thu. September 17  

🌅 7:13 a.m.

H: ≈61.9°F

L: ≈36.2°F

🌇 7:41 p.m.

Fri. September 18  

🌅 7:15 a.m.

H: ≈61.4°F

L: ≈35.9°F

🌇 7:39 p.m.

Sat. September 19  

🌅 7:16 a.m.

H: ≈60.9°F

L: ≈35.6°F

🌇 7:37 p.m.

Sun. September 20  

🌅 7:18 a.m.

H: ≈60.4°F

L: ≈35.3°F

🌇 7:35 p.m.

Mon. September 21  

🌅 7:19 a.m.

H: ≈60.0°F

L: ≈35.0°F

🌇 7:33 p.m.

Tue. September 22 Autumn Equinox  

🌅 7:20 a.m.

H: ≈59.5°F

L: ≈34.7°F

🌇 7:31 p.m.

Wed. September 23  

🌅 7:22 a.m.

H: ≈59.0°F

L: ≈34.4°F

🌇 7:29 p.m.

Thu. September 24  

🌅 7:23 a.m.

H: ≈58.6°F

L: ≈34.2°F

🌇 7:27 p.m.

Fri. September 25  

🌅 7:24 a.m.

H: ≈58.1°F

L: ≈33.9°F

🌇 7:24 p.m.

Sat. September 26 🌕

🌅 7:26 a.m.

H: ≈57.7°F

L: ≈33.6°F

🌇 7:22 p.m.

Sun. September 27  

🌅 7:27 a.m.

H: ≈57.3°F

L: ≈33.3°F

🌇 7:20 p.m.

Mon. September 28  

🌅 7:29 a.m.

H: ≈56.9°F

L: ≈33.0°F

🌇 7:18 p.m.

Tue. September 29  

🌅 7:30 a.m.

H: ≈56.4°F

L: ≈32.8°F

🌇 7:16 p.m.

Wed. September 30  

🌅 7:31 a.m.

H: ≈56.0°F

L: ≈32.5°F

🌇 7:14 p.m.


Temperature climatic data from weather station: SUMMIT (USC00247978)

Precipitation climatic data from weather station: EAST GLACIER (USC00242629)

Agricultural climatic data from weather station: EAST GLACIER (USC00242629)