Weather Almanac: Melville, MT 59055

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 1.42"
September days below freezing
📉 ≈5.2 days
Average September lows 36°F – 41°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  

🌅 6:40 a.m.

H: 63°F – 81°F

L: 36°F – 49°F

🌇 7:56 p.m.

Tue. September 2  

🌅 6:41 a.m.

H: 63°F – 80°F

L: 36°F – 49°F

🌇 7:54 p.m.

Wed. September 3  

🌅 6:42 a.m.

H: 62°F – 80°F

L: 36°F – 49°F

🌇 7:53 p.m.

Thu. September 4  

🌅 6:44 a.m.

H: 62°F – 80°F

L: 36°F – 48°F

🌇 7:51 p.m.

Fri. September 5  

🌅 6:45 a.m.

H: 61°F – 80°F

L: 35°F – 48°F

🌇 7:49 p.m.

Sat. September 6  

🌅 6:46 a.m.

H: 61°F – 79°F

L: 35°F – 48°F

🌇 7:47 p.m.

Sun. September 7 🌕

🌅 6:47 a.m.

H: 60°F – 79°F

L: 35°F – 48°F

🌇 7:45 p.m.

Mon. September 8  

🌅 6:49 a.m.

H: 60°F – 79°F

L: 34°F – 47°F

🌇 7:43 p.m.

Tue. September 9  

🌅 6:50 a.m.

H: 59°F – 79°F

L: 34°F – 47°F

🌇 7:41 p.m.

Wed. September 10  

🌅 6:51 a.m.

H: 59°F – 78°F

L: 33°F – 47°F

🌇 7:39 p.m.

Thu. September 11  

🌅 6:52 a.m.

H: 58°F – 78°F

L: 33°F – 47°F

🌇 7:37 p.m.

Fri. September 12  

🌅 6:54 a.m.

H: 58°F – 78°F

L: 33°F – 46°F

🌇 7:35 p.m.

Sat. September 13  

🌅 6:55 a.m.

H: 57°F – 78°F

L: 32°F – 46°F

🌇 7:33 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:56 a.m.

H: 57°F – 77°F

L: 32°F – 46°F

🌇 7:31 p.m.

Mon. September 15  

🌅 6:57 a.m.

H: 56°F – 77°F

L: 32°F – 46°F

🌇 7:29 p.m.

Tue. September 16  

🌅 6:59 a.m.

H: 56°F – 77°F

L: 31°F – 45°F

🌇 7:27 p.m.

Wed. September 17  

🌅 7:00 a.m.

H: 55°F – 76°F

L: 31°F – 45°F

🌇 7:25 p.m.

Thu. September 18  

🌅 7:01 a.m.

H: 55°F – 76°F

L: 31°F – 45°F

🌇 7:23 p.m.

Fri. September 19  

🌅 7:02 a.m.

H: 54°F – 76°F

L: 30°F – 45°F

🌇 7:21 p.m.

Sat. September 20  

🌅 7:04 a.m.

H: 54°F – 76°F

L: 30°F – 44°F

🌇 7:19 p.m.

Sun. September 21 🌑

🌅 7:05 a.m.

H: 53°F – 75°F

L: 29°F – 44°F

🌇 7:17 p.m.

Mon. September 22 Autumn Equinox  

🌅 7:06 a.m.

H: 53°F – 75°F

L: 29°F – 44°F

🌇 7:15 p.m.

Tue. September 23  

🌅 7:07 a.m.

H: 53°F – 75°F

L: 29°F – 44°F

🌇 7:13 p.m.

Wed. September 24  

🌅 7:09 a.m.

H: 52°F – 74°F

L: 28°F – 43°F

🌇 7:11 p.m.

Thu. September 25  

🌅 7:10 a.m.

H: 52°F – 74°F

L: 28°F – 43°F

🌇 7:10 p.m.

Fri. September 26  

🌅 7:11 a.m.

H: 51°F – 74°F

L: 27°F – 43°F

🌇 7:08 p.m.

Sat. September 27  

🌅 7:13 a.m.

H: 51°F – 73°F

L: 27°F – 43°F

🌇 7:06 p.m.

Sun. September 28  

🌅 7:14 a.m.

H: 50°F – 73°F

L: 27°F – 43°F

🌇 7:04 p.m.

Mon. September 29 🌓

🌅 7:15 a.m.

H: 50°F – 73°F

L: 26°F – 42°F

🌇 7:02 p.m.

Tue. September 30  

🌅 7:16 a.m.

H: 50°F – 72°F

L: 26°F – 42°F

🌇 7:00 p.m.


Temperature climatic data from weather station: MELVILLE 4 W (USC00245603)

Precipitation climatic data from weather station: MELVILLE 4 W (USC00245603)

Agricultural climatic data from weather station: MELVILLE 4 W (USC00245603)