Weather Almanac: Irma, WI 54442

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 4.21"
September days below freezing
📉 ≈1.2 days
Average September lows ≈46.1°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 Jun 3
First Fall Frost (36°F)
🍂 Sep 9
Tue. September 1  

🌅 6:20 a.m.

H: ≈71.4°F

L: ≈51.7°F

🌇 7:35 p.m.

Wed. September 2  

🌅 6:21 a.m.

H: ≈71.1°F

L: ≈51.4°F

🌇 7:34 p.m.

Thu. September 3  

🌅 6:22 a.m.

H: ≈70.8°F

L: ≈51.1°F

🌇 7:32 p.m.

Fri. September 4  

🌅 6:23 a.m.

H: ≈70.4°F

L: ≈50.7°F

🌇 7:30 p.m.

Sat. September 5  

🌅 6:25 a.m.

H: ≈70.1°F

L: ≈50.4°F

🌇 7:28 p.m.

Sun. September 6  

🌅 6:26 a.m.

H: ≈69.7°F

L: ≈50.0°F

🌇 7:26 p.m.

Mon. September 7 Labor Day  

🌅 6:27 a.m.

H: ≈69.4°F

L: ≈49.6°F

🌇 7:24 p.m.

Tue. September 8  

🌅 6:28 a.m.

H: ≈69.0°F

L: ≈49.3°F

🌇 7:22 p.m.

Wed. September 9  

🌅 6:30 a.m.

H: ≈68.6°F

L: ≈48.9°F

🌇 7:20 p.m.

Thu. September 10  

🌅 6:31 a.m.

H: ≈68.2°F

L: ≈48.5°F

🌇 7:18 p.m.

Fri. September 11  

🌅 6:32 a.m.

H: ≈67.9°F

L: ≈48.1°F

🌇 7:17 p.m.

Sat. September 12  

🌅 6:33 a.m.

H: ≈67.5°F

L: ≈47.7°F

🌇 7:15 p.m.

Sun. September 13  

🌅 6:34 a.m.

H: ≈67.1°F

L: ≈47.2°F

🌇 7:13 p.m.

Mon. September 14 Holy Cross  

🌅 6:36 a.m.

H: ≈66.6°F

L: ≈46.8°F

🌇 7:11 p.m.

Tue. September 15  

🌅 6:37 a.m.

H: ≈66.2°F

L: ≈46.4°F

🌇 7:09 p.m.

Wed. September 16  

🌅 6:38 a.m.

H: ≈65.8°F

L: ≈46.0°F

🌇 7:07 p.m.

Thu. September 17  

🌅 6:39 a.m.

H: ≈65.4°F

L: ≈45.5°F

🌇 7:05 p.m.

Fri. September 18  

🌅 6:40 a.m.

H: ≈65.0°F

L: ≈45.1°F

🌇 7:03 p.m.

Sat. September 19  

🌅 6:42 a.m.

H: ≈64.6°F

L: ≈44.7°F

🌇 7:01 p.m.

Sun. September 20  

🌅 6:43 a.m.

H: ≈64.1°F

L: ≈44.3°F

🌇 6:59 p.m.

Mon. September 21  

🌅 6:44 a.m.

H: ≈63.7°F

L: ≈43.8°F

🌇 6:57 p.m.

Tue. September 22 Autumn Equinox  

🌅 6:45 a.m.

H: ≈63.3°F

L: ≈43.4°F

🌇 6:55 p.m.

Wed. September 23  

🌅 6:47 a.m.

H: ≈62.9°F

L: ≈43.0°F

🌇 6:53 p.m.

Thu. September 24  

🌅 6:48 a.m.

H: ≈62.4°F

L: ≈42.6°F

🌇 6:52 p.m.

Fri. September 25  

🌅 6:49 a.m.

H: ≈62.0°F

L: ≈42.2°F

🌇 6:50 p.m.

Sat. September 26 🌕

🌅 6:50 a.m.

H: ≈61.6°F

L: ≈41.7°F

🌇 6:48 p.m.

Sun. September 27  

🌅 6:51 a.m.

H: ≈61.2°F

L: ≈41.3°F

🌇 6:46 p.m.

Mon. September 28  

🌅 6:53 a.m.

H: ≈60.8°F

L: ≈40.9°F

🌇 6:44 p.m.

Tue. September 29  

🌅 6:54 a.m.

H: ≈60.3°F

L: ≈40.5°F

🌇 6:42 p.m.

Wed. September 30  

🌅 6:55 a.m.

H: ≈59.9°F

L: ≈40.1°F

🌇 6:40 p.m.


Temperature climatic data from weather station: RICE RSVR TOMAHAWK-2 (USC00477142)

Precipitation climatic data from weather station: RICE RSVR TOMAHAWK-2 (USC00477142)

Agricultural climatic data from weather station: MERRILL (USC00475364)