Weather Almanac: Helix, OR 97835

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 0.56"
September days below freezing
📉 ≈0.0 days
Average September lows ≈49.7°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 May 13
First Fall Frost (36°F)
🍂 Oct 1
Tue. September 1  

🌅 6:16 a.m.

H: ≈83.2°F

L: ≈53.8°F

🌇 7:32 p.m.

Wed. September 2  

🌅 6:17 a.m.

H: ≈82.9°F

L: ≈53.6°F

🌇 7:31 p.m.

Thu. September 3  

🌅 6:18 a.m.

H: ≈82.6°F

L: ≈53.3°F

🌇 7:29 p.m.

Fri. September 4  

🌅 6:19 a.m.

H: ≈82.2°F

L: ≈53.1°F

🌇 7:27 p.m.

Sat. September 5  

🌅 6:21 a.m.

H: ≈81.9°F

L: ≈52.8°F

🌇 7:25 p.m.

Sun. September 6  

🌅 6:22 a.m.

H: ≈81.6°F

L: ≈52.6°F

🌇 7:23 p.m.

Mon. September 7 Labor Day  

🌅 6:23 a.m.

H: ≈81.2°F

L: ≈52.3°F

🌇 7:21 p.m.

Tue. September 8  

🌅 6:24 a.m.

H: ≈80.9°F

L: ≈52.1°F

🌇 7:19 p.m.

Wed. September 9  

🌅 6:26 a.m.

H: ≈80.5°F

L: ≈51.8°F

🌇 7:17 p.m.

Thu. September 10  

🌅 6:27 a.m.

H: ≈80.1°F

L: ≈51.5°F

🌇 7:15 p.m.

Fri. September 11  

🌅 6:28 a.m.

H: ≈79.7°F

L: ≈51.2°F

🌇 7:13 p.m.

Sat. September 12  

🌅 6:29 a.m.

H: ≈79.3°F

L: ≈50.9°F

🌇 7:11 p.m.

Sun. September 13  

🌅 6:31 a.m.

H: ≈78.9°F

L: ≈50.6°F

🌇 7:09 p.m.

Mon. September 14 Holy Cross  

🌅 6:32 a.m.

H: ≈78.5°F

L: ≈50.3°F

🌇 7:07 p.m.

Tue. September 15  

🌅 6:33 a.m.

H: ≈78.1°F

L: ≈50.0°F

🌇 7:05 p.m.

Wed. September 16  

🌅 6:34 a.m.

H: ≈77.6°F

L: ≈49.7°F

🌇 7:04 p.m.

Thu. September 17  

🌅 6:36 a.m.

H: ≈77.2°F

L: ≈49.4°F

🌇 7:02 p.m.

Fri. September 18  

🌅 6:37 a.m.

H: ≈76.8°F

L: ≈49.1°F

🌇 7:00 p.m.

Sat. September 19  

🌅 6:38 a.m.

H: ≈76.3°F

L: ≈48.8°F

🌇 6:58 p.m.

Sun. September 20  

🌅 6:39 a.m.

H: ≈75.9°F

L: ≈48.4°F

🌇 6:56 p.m.

Mon. September 21  

🌅 6:41 a.m.

H: ≈75.4°F

L: ≈48.1°F

🌇 6:54 p.m.

Tue. September 22 Autumn Equinox  

🌅 6:42 a.m.

H: ≈74.9°F

L: ≈47.8°F

🌇 6:52 p.m.

Wed. September 23  

🌅 6:43 a.m.

H: ≈74.5°F

L: ≈47.4°F

🌇 6:50 p.m.

Thu. September 24  

🌅 6:44 a.m.

H: ≈74.0°F

L: ≈47.1°F

🌇 6:48 p.m.

Fri. September 25  

🌅 6:46 a.m.

H: ≈73.5°F

L: ≈46.7°F

🌇 6:46 p.m.

Sat. September 26 🌕

🌅 6:47 a.m.

H: ≈73.0°F

L: ≈46.4°F

🌇 6:44 p.m.

Sun. September 27  

🌅 6:48 a.m.

H: ≈72.6°F

L: ≈46.0°F

🌇 6:42 p.m.

Mon. September 28  

🌅 6:49 a.m.

H: ≈72.1°F

L: ≈45.6°F

🌇 6:40 p.m.

Tue. September 29  

🌅 6:51 a.m.

H: ≈71.6°F

L: ≈45.3°F

🌇 6:38 p.m.

Wed. September 30  

🌅 6:52 a.m.

H: ≈71.1°F

L: ≈44.9°F

🌇 6:36 p.m.


Temperature climatic data from weather station: PENDLETON WFO (USC00356550)

Precipitation climatic data from weather station: PENDLETON WFO (USC00356550)

Agricultural climatic data from weather station: PENDLETON (USW00024155)