Weather Almanac: Marion, MT 59925

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 1.19"
September days below freezing
📉 ≈18.3 days
Average September lows ≈31.1°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always
Mon. September 1 Labor Day  

🌅 6:57 a.m.

H: ≈75.6°F

L: ≈34.5°F

🌇 8:19 p.m.

Tue. September 2  

🌅 6:59 a.m.

H: ≈75.3°F

L: ≈34.3°F

🌇 8:17 p.m.

Wed. September 3  

🌅 7:00 a.m.

H: ≈74.9°F

L: ≈34.1°F

🌇 8:15 p.m.

Thu. September 4  

🌅 7:01 a.m.

H: ≈74.5°F

L: ≈33.9°F

🌇 8:13 p.m.

Fri. September 5  

🌅 7:03 a.m.

H: ≈74.1°F

L: ≈33.7°F

🌇 8:11 p.m.

Sat. September 6  

🌅 7:04 a.m.

H: ≈73.7°F

L: ≈33.5°F

🌇 8:09 p.m.

Sun. September 7 🌕

🌅 7:06 a.m.

H: ≈73.4°F

L: ≈33.2°F

🌇 8:07 p.m.

Mon. September 8  

🌅 7:07 a.m.

H: ≈72.9°F

L: ≈33.0°F

🌇 8:05 p.m.

Tue. September 9  

🌅 7:08 a.m.

H: ≈72.5°F

L: ≈32.8°F

🌇 8:03 p.m.

Wed. September 10  

🌅 7:10 a.m.

H: ≈72.1°F

L: ≈32.6°F

🌇 8:01 p.m.

Thu. September 11  

🌅 7:11 a.m.

H: ≈71.7°F

L: ≈32.4°F

🌇 7:59 p.m.

Fri. September 12  

🌅 7:12 a.m.

H: ≈71.2°F

L: ≈32.1°F

🌇 7:56 p.m.

Sat. September 13  

🌅 7:14 a.m.

H: ≈70.8°F

L: ≈31.9°F

🌇 7:54 p.m.

Sun. September 14 Holy Cross 🌗

🌅 7:15 a.m.

H: ≈70.3°F

L: ≈31.7°F

🌇 7:52 p.m.

Mon. September 15  

🌅 7:16 a.m.

H: ≈69.9°F

L: ≈31.4°F

🌇 7:50 p.m.

Tue. September 16  

🌅 7:18 a.m.

H: ≈69.4°F

L: ≈31.2°F

🌇 7:48 p.m.

Wed. September 17  

🌅 7:19 a.m.

H: ≈68.9°F

L: ≈30.9°F

🌇 7:46 p.m.

Thu. September 18  

🌅 7:21 a.m.

H: ≈68.5°F

L: ≈30.7°F

🌇 7:44 p.m.

Fri. September 19  

🌅 7:22 a.m.

H: ≈68.0°F

L: ≈30.4°F

🌇 7:42 p.m.

Sat. September 20  

🌅 7:23 a.m.

H: ≈67.5°F

L: ≈30.1°F

🌇 7:40 p.m.

Sun. September 21 🌑

🌅 7:25 a.m.

H: ≈67.0°F

L: ≈29.8°F

🌇 7:38 p.m.

Mon. September 22 Autumn Equinox  

🌅 7:26 a.m.

H: ≈66.5°F

L: ≈29.5°F

🌇 7:36 p.m.

Tue. September 23  

🌅 7:28 a.m.

H: ≈66.0°F

L: ≈29.3°F

🌇 7:34 p.m.

Wed. September 24  

🌅 7:29 a.m.

H: ≈65.5°F

L: ≈29.0°F

🌇 7:32 p.m.

Thu. September 25  

🌅 7:30 a.m.

H: ≈64.9°F

L: ≈28.6°F

🌇 7:29 p.m.

Fri. September 26  

🌅 7:32 a.m.

H: ≈64.4°F

L: ≈28.3°F

🌇 7:27 p.m.

Sat. September 27  

🌅 7:33 a.m.

H: ≈63.9°F

L: ≈28.0°F

🌇 7:25 p.m.

Sun. September 28  

🌅 7:34 a.m.

H: ≈63.4°F

L: ≈27.7°F

🌇 7:23 p.m.

Mon. September 29 🌓

🌅 7:36 a.m.

H: ≈62.8°F

L: ≈27.4°F

🌇 7:21 p.m.

Tue. September 30  

🌅 7:37 a.m.

H: ≈62.3°F

L: ≈27.0°F

🌇 7:19 p.m.


Temperature climatic data from weather station: PLEASANT VALLEY 5 SE (USC00246580)

Precipitation climatic data from weather station: PLEASANT VALLEY 5 SE (USC00246580)

Agricultural climatic data from weather station: LIBBY 32 SSE (USC00245020)