Weather Almanac: Fortuna, ND 58844

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 1.24"
September days below freezing
📉 ≈4.7 days
Average September lows 38°F – 43°F
USDA Zone
3b
Annual extreme lows -35°F to -30°F
Last Spring Frost (36°F)
🌷 Jun 4
First Fall Frost (36°F)
🍂 Sep 4
Mon. September 1 Labor Day  

🌅 7:12 a.m.

H: 65°F – 85°F

L: 40°F – 54°F

🌇 8:36 p.m.

Tue. September 2  

🌅 7:13 a.m.

H: 64°F – 85°F

L: 39°F – 53°F

🌇 8:34 p.m.

Wed. September 3  

🌅 7:15 a.m.

H: 63°F – 84°F

L: 39°F – 53°F

🌇 8:32 p.m.

Thu. September 4  

🌅 7:16 a.m.

H: 63°F – 84°F

L: 38°F – 52°F

🌇 8:30 p.m.

Fri. September 5  

🌅 7:17 a.m.

H: 62°F – 84°F

L: 38°F – 52°F

🌇 8:28 p.m.

Sat. September 6  

🌅 7:19 a.m.

H: 62°F – 83°F

L: 37°F – 52°F

🌇 8:25 p.m.

Sun. September 7 🌕

🌅 7:20 a.m.

H: 61°F – 83°F

L: 37°F – 51°F

🌇 8:23 p.m.

Mon. September 8  

🌅 7:22 a.m.

H: 61°F – 82°F

L: 37°F – 51°F

🌇 8:21 p.m.

Tue. September 9  

🌅 7:23 a.m.

H: 60°F – 82°F

L: 36°F – 50°F

🌇 8:19 p.m.

Wed. September 10  

🌅 7:25 a.m.

H: 59°F – 82°F

L: 36°F – 50°F

🌇 8:17 p.m.

Thu. September 11  

🌅 7:26 a.m.

H: 59°F – 81°F

L: 35°F – 49°F

🌇 8:15 p.m.

Fri. September 12  

🌅 7:27 a.m.

H: 58°F – 81°F

L: 35°F – 49°F

🌇 8:13 p.m.

Sat. September 13  

🌅 7:29 a.m.

H: 58°F – 81°F

L: 34°F – 48°F

🌇 8:11 p.m.

Sun. September 14 Holy Cross 🌗

🌅 7:30 a.m.

H: 57°F – 80°F

L: 34°F – 48°F

🌇 8:09 p.m.

Mon. September 15  

🌅 7:32 a.m.

H: 57°F – 80°F

L: 33°F – 48°F

🌇 8:06 p.m.

Tue. September 16  

🌅 7:33 a.m.

H: 56°F – 79°F

L: 33°F – 47°F

🌇 8:04 p.m.

Wed. September 17  

🌅 7:34 a.m.

H: 55°F – 79°F

L: 32°F – 47°F

🌇 8:02 p.m.

Thu. September 18  

🌅 7:36 a.m.

H: 55°F – 78°F

L: 32°F – 46°F

🌇 8:00 p.m.

Fri. September 19  

🌅 7:37 a.m.

H: 54°F – 78°F

L: 31°F – 46°F

🌇 7:58 p.m.

Sat. September 20  

🌅 7:39 a.m.

H: 54°F – 78°F

L: 31°F – 45°F

🌇 7:56 p.m.

Sun. September 21 🌑

🌅 7:40 a.m.

H: 53°F – 77°F

L: 30°F – 45°F

🌇 7:54 p.m.

Mon. September 22 Autumn Equinox  

🌅 7:42 a.m.

H: 53°F – 77°F

L: 30°F – 44°F

🌇 7:51 p.m.

Tue. September 23  

🌅 7:43 a.m.

H: 52°F – 76°F

L: 29°F – 44°F

🌇 7:49 p.m.

Wed. September 24  

🌅 7:45 a.m.

H: 52°F – 76°F

L: 29°F – 43°F

🌇 7:47 p.m.

Thu. September 25  

🌅 7:46 a.m.

H: 51°F – 76°F

L: 28°F – 43°F

🌇 7:45 p.m.

Fri. September 26  

🌅 7:47 a.m.

H: 51°F – 75°F

L: 28°F – 43°F

🌇 7:43 p.m.

Sat. September 27  

🌅 7:49 a.m.

H: 50°F – 75°F

L: 27°F – 42°F

🌇 7:41 p.m.

Sun. September 28  

🌅 7:50 a.m.

H: 50°F – 74°F

L: 27°F – 42°F

🌇 7:39 p.m.

Mon. September 29 🌓

🌅 7:52 a.m.

H: 49°F – 74°F

L: 27°F – 41°F

🌇 7:37 p.m.

Tue. September 30  

🌅 7:53 a.m.

H: 49°F – 73°F

L: 26°F – 41°F

🌇 7:35 p.m.


Temperature climatic data from weather station: FORTUNA 1 W (USC00323196)

Precipitation climatic data from weather station: AMBROSE 3 N (USC00320189)

Agricultural climatic data from weather station: WESTBY (USC00248777)