Weather Almanac: Kirby, WY 82430

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 1.38"
September days below freezing
📉 ≈7.4 days
Average September lows ≈36.4°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 May 28
First Fall Frost (36°F)
🍂 Sep 18
Mon. September 1 Labor Day  

🌅 6:36 a.m.

H: ≈82.3°F

L: ≈44.3°F

🌇 7:47 p.m.

Tue. September 2  

🌅 6:37 a.m.

H: ≈81.9°F

L: ≈43.8°F

🌇 7:45 p.m.

Wed. September 3  

🌅 6:38 a.m.

H: ≈81.4°F

L: ≈43.2°F

🌇 7:44 p.m.

Thu. September 4  

🌅 6:40 a.m.

H: ≈80.9°F

L: ≈42.6°F

🌇 7:42 p.m.

Fri. September 5  

🌅 6:41 a.m.

H: ≈80.3°F

L: ≈42.1°F

🌇 7:40 p.m.

Sat. September 6  

🌅 6:42 a.m.

H: ≈79.8°F

L: ≈41.5°F

🌇 7:38 p.m.

Sun. September 7 🌕

🌅 6:43 a.m.

H: ≈79.2°F

L: ≈40.9°F

🌇 7:36 p.m.

Mon. September 8  

🌅 6:44 a.m.

H: ≈78.6°F

L: ≈40.3°F

🌇 7:35 p.m.

Tue. September 9  

🌅 6:45 a.m.

H: ≈78.0°F

L: ≈39.7°F

🌇 7:33 p.m.

Wed. September 10  

🌅 6:46 a.m.

H: ≈77.4°F

L: ≈39.1°F

🌇 7:31 p.m.

Thu. September 11  

🌅 6:47 a.m.

H: ≈76.7°F

L: ≈38.5°F

🌇 7:29 p.m.

Fri. September 12  

🌅 6:49 a.m.

H: ≈76.1°F

L: ≈37.9°F

🌇 7:27 p.m.

Sat. September 13  

🌅 6:50 a.m.

H: ≈75.4°F

L: ≈37.4°F

🌇 7:25 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:51 a.m.

H: ≈74.7°F

L: ≈36.8°F

🌇 7:24 p.m.

Mon. September 15  

🌅 6:52 a.m.

H: ≈74.0°F

L: ≈36.2°F

🌇 7:22 p.m.

Tue. September 16  

🌅 6:53 a.m.

H: ≈73.4°F

L: ≈35.7°F

🌇 7:20 p.m.

Wed. September 17  

🌅 6:54 a.m.

H: ≈72.7°F

L: ≈35.1°F

🌇 7:18 p.m.

Thu. September 18  

🌅 6:55 a.m.

H: ≈72.0°F

L: ≈34.6°F

🌇 7:16 p.m.

Fri. September 19  

🌅 6:56 a.m.

H: ≈71.3°F

L: ≈34.1°F

🌇 7:14 p.m.

Sat. September 20  

🌅 6:58 a.m.

H: ≈70.7°F

L: ≈33.6°F

🌇 7:13 p.m.

Sun. September 21 🌑

🌅 6:59 a.m.

H: ≈70.0°F

L: ≈33.2°F

🌇 7:11 p.m.

Mon. September 22 Autumn Equinox  

🌅 7:00 a.m.

H: ≈69.4°F

L: ≈32.7°F

🌇 7:09 p.m.

Tue. September 23  

🌅 7:01 a.m.

H: ≈68.8°F

L: ≈32.3°F

🌇 7:07 p.m.

Wed. September 24  

🌅 7:02 a.m.

H: ≈68.2°F

L: ≈31.9°F

🌇 7:05 p.m.

Thu. September 25  

🌅 7:03 a.m.

H: ≈67.6°F

L: ≈31.5°F

🌇 7:03 p.m.

Fri. September 26  

🌅 7:05 a.m.

H: ≈67.0°F

L: ≈31.2°F

🌇 7:01 p.m.

Sat. September 27  

🌅 7:06 a.m.

H: ≈66.5°F

L: ≈30.9°F

🌇 7:00 p.m.

Sun. September 28  

🌅 7:07 a.m.

H: ≈66.0°F

L: ≈30.6°F

🌇 6:58 p.m.

Mon. September 29 🌓

🌅 7:08 a.m.

H: ≈65.5°F

L: ≈30.3°F

🌇 6:56 p.m.

Tue. September 30  

🌅 7:09 a.m.

H: ≈65.1°F

L: ≈30.0°F

🌇 6:54 p.m.


Temperature climatic data from weather station: THERMOPOLIS 9NE (USC00488884)

Precipitation climatic data from weather station: THERMOPOLIS 9NE (USC00488884)

Agricultural climatic data from weather station: THERMOPOLIS (USC00488875)