Weather Almanac: Adel, OR 97620

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 0.47"
September days below freezing
📉 ≈2.0 days
Average September lows ≈42.2°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 Always
First Fall Frost (36°F)
🍂 Always
Tue. September 1  

🌅 6:25 a.m.

H: ≈83.9°F

L: ≈46.1°F

🌇 7:33 p.m.

Wed. September 2  

🌅 6:26 a.m.

H: ≈83.6°F

L: ≈45.8°F

🌇 7:31 p.m.

Thu. September 3  

🌅 6:27 a.m.

H: ≈83.3°F

L: ≈45.5°F

🌇 7:29 p.m.

Fri. September 4  

🌅 6:28 a.m.

H: ≈83.0°F

L: ≈45.2°F

🌇 7:27 p.m.

Sat. September 5  

🌅 6:29 a.m.

H: ≈82.7°F

L: ≈44.9°F

🌇 7:26 p.m.

Sun. September 6  

🌅 6:30 a.m.

H: ≈82.3°F

L: ≈44.6°F

🌇 7:24 p.m.

Mon. September 7 Labor Day  

🌅 6:31 a.m.

H: ≈82.0°F

L: ≈44.3°F

🌇 7:22 p.m.

Tue. September 8  

🌅 6:32 a.m.

H: ≈81.7°F

L: ≈44.0°F

🌇 7:21 p.m.

Wed. September 9  

🌅 6:33 a.m.

H: ≈81.4°F

L: ≈43.8°F

🌇 7:19 p.m.

Thu. September 10  

🌅 6:34 a.m.

H: ≈81.1°F

L: ≈43.5°F

🌇 7:17 p.m.

Fri. September 11  

🌅 6:35 a.m.

H: ≈80.8°F

L: ≈43.2°F

🌇 7:15 p.m.

Sat. September 12  

🌅 6:36 a.m.

H: ≈80.5°F

L: ≈43.0°F

🌇 7:14 p.m.

Sun. September 13  

🌅 6:37 a.m.

H: ≈80.2°F

L: ≈42.7°F

🌇 7:12 p.m.

Mon. September 14 Holy Cross  

🌅 6:38 a.m.

H: ≈79.9°F

L: ≈42.4°F

🌇 7:10 p.m.

Tue. September 15  

🌅 6:39 a.m.

H: ≈79.6°F

L: ≈42.2°F

🌇 7:08 p.m.

Wed. September 16  

🌅 6:40 a.m.

H: ≈79.3°F

L: ≈41.9°F

🌇 7:07 p.m.

Thu. September 17  

🌅 6:41 a.m.

H: ≈78.9°F

L: ≈41.7°F

🌇 7:05 p.m.

Fri. September 18  

🌅 6:42 a.m.

H: ≈78.6°F

L: ≈41.5°F

🌇 7:03 p.m.

Sat. September 19  

🌅 6:44 a.m.

H: ≈78.3°F

L: ≈41.2°F

🌇 7:01 p.m.

Sun. September 20  

🌅 6:45 a.m.

H: ≈78.0°F

L: ≈41.0°F

🌇 7:00 p.m.

Mon. September 21  

🌅 6:46 a.m.

H: ≈77.6°F

L: ≈40.8°F

🌇 6:58 p.m.

Tue. September 22 Autumn Equinox  

🌅 6:47 a.m.

H: ≈77.3°F

L: ≈40.5°F

🌇 6:56 p.m.

Wed. September 23  

🌅 6:48 a.m.

H: ≈76.9°F

L: ≈40.3°F

🌇 6:54 p.m.

Thu. September 24  

🌅 6:49 a.m.

H: ≈76.6°F

L: ≈40.1°F

🌇 6:52 p.m.

Fri. September 25  

🌅 6:50 a.m.

H: ≈76.2°F

L: ≈39.9°F

🌇 6:51 p.m.

Sat. September 26 🌕

🌅 6:51 a.m.

H: ≈75.8°F

L: ≈39.6°F

🌇 6:49 p.m.

Sun. September 27  

🌅 6:52 a.m.

H: ≈75.5°F

L: ≈39.4°F

🌇 6:47 p.m.

Mon. September 28  

🌅 6:53 a.m.

H: ≈75.1°F

L: ≈39.2°F

🌇 6:45 p.m.

Tue. September 29  

🌅 6:54 a.m.

H: ≈74.7°F

L: ≈39.0°F

🌇 6:44 p.m.

Wed. September 30  

🌅 6:55 a.m.

H: ≈74.3°F

L: ≈38.7°F

🌇 6:42 p.m.


Temperature climatic data from weather station: ADEL (USC00350036)

Precipitation climatic data from weather station: ADEL (USC00350036)

Agricultural climatic data from weather station: HART MTN REFUGE (USC00353692)