Weather Almanac: Ranchester, WY 82839

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 1.43"
September days below freezing
📉 ≈3.6 days
Average September lows ≈40.1°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Jun 14
First Fall Frost (36°F)
🍂 Sep 7
Mon. September 1 Labor Day  

🌅 6:31 a.m.

H: ≈81.2°F

L: ≈46.7°F

🌇 7:44 p.m.

Tue. September 2  

🌅 6:32 a.m.

H: ≈80.8°F

L: ≈46.3°F

🌇 7:43 p.m.

Wed. September 3  

🌅 6:33 a.m.

H: ≈80.2°F

L: ≈45.9°F

🌇 7:41 p.m.

Thu. September 4  

🌅 6:34 a.m.

H: ≈79.7°F

L: ≈45.4°F

🌇 7:39 p.m.

Fri. September 5  

🌅 6:35 a.m.

H: ≈79.1°F

L: ≈45.0°F

🌇 7:37 p.m.

Sat. September 6  

🌅 6:37 a.m.

H: ≈78.6°F

L: ≈44.5°F

🌇 7:35 p.m.

Sun. September 7 🌕

🌅 6:38 a.m.

H: ≈78.0°F

L: ≈44.0°F

🌇 7:33 p.m.

Mon. September 8  

🌅 6:39 a.m.

H: ≈77.4°F

L: ≈43.6°F

🌇 7:31 p.m.

Tue. September 9  

🌅 6:40 a.m.

H: ≈76.7°F

L: ≈43.1°F

🌇 7:30 p.m.

Wed. September 10  

🌅 6:41 a.m.

H: ≈76.1°F

L: ≈42.6°F

🌇 7:28 p.m.

Thu. September 11  

🌅 6:43 a.m.

H: ≈75.4°F

L: ≈42.1°F

🌇 7:26 p.m.

Fri. September 12  

🌅 6:44 a.m.

H: ≈74.8°F

L: ≈41.6°F

🌇 7:24 p.m.

Sat. September 13  

🌅 6:45 a.m.

H: ≈74.1°F

L: ≈41.1°F

🌇 7:22 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:46 a.m.

H: ≈73.5°F

L: ≈40.6°F

🌇 7:20 p.m.

Mon. September 15  

🌅 6:47 a.m.

H: ≈72.8°F

L: ≈40.1°F

🌇 7:18 p.m.

Tue. September 16  

🌅 6:49 a.m.

H: ≈72.2°F

L: ≈39.7°F

🌇 7:16 p.m.

Wed. September 17  

🌅 6:50 a.m.

H: ≈71.5°F

L: ≈39.2°F

🌇 7:14 p.m.

Thu. September 18  

🌅 6:51 a.m.

H: ≈70.8°F

L: ≈38.7°F

🌇 7:12 p.m.

Fri. September 19  

🌅 6:52 a.m.

H: ≈70.2°F

L: ≈38.3°F

🌇 7:11 p.m.

Sat. September 20  

🌅 6:53 a.m.

H: ≈69.6°F

L: ≈37.8°F

🌇 7:09 p.m.

Sun. September 21 🌑

🌅 6:55 a.m.

H: ≈69.0°F

L: ≈37.4°F

🌇 7:07 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:56 a.m.

H: ≈68.4°F

L: ≈37.0°F

🌇 7:05 p.m.

Tue. September 23  

🌅 6:57 a.m.

H: ≈67.8°F

L: ≈36.6°F

🌇 7:03 p.m.

Wed. September 24  

🌅 6:58 a.m.

H: ≈67.2°F

L: ≈36.2°F

🌇 7:01 p.m.

Thu. September 25  

🌅 6:59 a.m.

H: ≈66.7°F

L: ≈35.8°F

🌇 6:59 p.m.

Fri. September 26  

🌅 7:01 a.m.

H: ≈66.2°F

L: ≈35.4°F

🌇 6:57 p.m.

Sat. September 27  

🌅 7:02 a.m.

H: ≈65.7°F

L: ≈35.1°F

🌇 6:55 p.m.

Sun. September 28  

🌅 7:03 a.m.

H: ≈65.2°F

L: ≈34.7°F

🌇 6:53 p.m.

Mon. September 29 🌓

🌅 7:04 a.m.

H: ≈64.8°F

L: ≈34.4°F

🌇 6:52 p.m.

Tue. September 30  

🌅 7:05 a.m.

H: ≈64.3°F

L: ≈34.1°F

🌇 6:50 p.m.


Temperature climatic data from weather station: DAYTON (USC00482399)

Precipitation climatic data from weather station: DAYTON (USC00482399)

Agricultural climatic data from weather station: SHERIDAN CO AP (USW00024029)