Weather Almanac: Monument, OR 97864

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 0.61"
September days below freezing
📉 ≈1.9 days
Average September lows ≈41.7°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 Jun 6
First Fall Frost (36°F)
🍂 Sep 12
Tue. September 1  

🌅 6:20 a.m.

H: ≈88.2°F

L: ≈46.5°F

🌇 7:34 p.m.

Wed. September 2  

🌅 6:21 a.m.

H: ≈87.8°F

L: ≈46.2°F

🌇 7:32 p.m.

Thu. September 3  

🌅 6:22 a.m.

H: ≈87.5°F

L: ≈45.9°F

🌇 7:30 p.m.

Fri. September 4  

🌅 6:23 a.m.

H: ≈87.2°F

L: ≈45.6°F

🌇 7:28 p.m.

Sat. September 5  

🌅 6:25 a.m.

H: ≈86.8°F

L: ≈45.3°F

🌇 7:26 p.m.

Sun. September 6  

🌅 6:26 a.m.

H: ≈86.5°F

L: ≈45.0°F

🌇 7:25 p.m.

Mon. September 7 Labor Day  

🌅 6:27 a.m.

H: ≈86.1°F

L: ≈44.7°F

🌇 7:23 p.m.

Tue. September 8  

🌅 6:28 a.m.

H: ≈85.8°F

L: ≈44.4°F

🌇 7:21 p.m.

Wed. September 9  

🌅 6:29 a.m.

H: ≈85.4°F

L: ≈44.1°F

🌇 7:19 p.m.

Thu. September 10  

🌅 6:30 a.m.

H: ≈85.0°F

L: ≈43.8°F

🌇 7:17 p.m.

Fri. September 11  

🌅 6:32 a.m.

H: ≈84.7°F

L: ≈43.4°F

🌇 7:15 p.m.

Sat. September 12  

🌅 6:33 a.m.

H: ≈84.3°F

L: ≈43.1°F

🌇 7:13 p.m.

Sun. September 13  

🌅 6:34 a.m.

H: ≈83.9°F

L: ≈42.7°F

🌇 7:11 p.m.

Mon. September 14 Holy Cross  

🌅 6:35 a.m.

H: ≈83.5°F

L: ≈42.4°F

🌇 7:10 p.m.

Tue. September 15  

🌅 6:36 a.m.

H: ≈83.1°F

L: ≈42.0°F

🌇 7:08 p.m.

Wed. September 16  

🌅 6:38 a.m.

H: ≈82.7°F

L: ≈41.7°F

🌇 7:06 p.m.

Thu. September 17  

🌅 6:39 a.m.

H: ≈82.2°F

L: ≈41.3°F

🌇 7:04 p.m.

Fri. September 18  

🌅 6:40 a.m.

H: ≈81.8°F

L: ≈40.9°F

🌇 7:02 p.m.

Sat. September 19  

🌅 6:41 a.m.

H: ≈81.4°F

L: ≈40.5°F

🌇 7:00 p.m.

Sun. September 20  

🌅 6:42 a.m.

H: ≈80.9°F

L: ≈40.2°F

🌇 6:58 p.m.

Mon. September 21  

🌅 6:43 a.m.

H: ≈80.5°F

L: ≈39.8°F

🌇 6:56 p.m.

Tue. September 22 Autumn Equinox  

🌅 6:45 a.m.

H: ≈80.0°F

L: ≈39.4°F

🌇 6:54 p.m.

Wed. September 23  

🌅 6:46 a.m.

H: ≈79.6°F

L: ≈39.0°F

🌇 6:53 p.m.

Thu. September 24  

🌅 6:47 a.m.

H: ≈79.1°F

L: ≈38.7°F

🌇 6:51 p.m.

Fri. September 25  

🌅 6:48 a.m.

H: ≈78.6°F

L: ≈38.3°F

🌇 6:49 p.m.

Sat. September 26 🌕

🌅 6:49 a.m.

H: ≈78.1°F

L: ≈37.9°F

🌇 6:47 p.m.

Sun. September 27  

🌅 6:51 a.m.

H: ≈77.6°F

L: ≈37.6°F

🌇 6:45 p.m.

Mon. September 28  

🌅 6:52 a.m.

H: ≈77.1°F

L: ≈37.2°F

🌇 6:43 p.m.

Tue. September 29  

🌅 6:53 a.m.

H: ≈76.6°F

L: ≈36.9°F

🌇 6:41 p.m.

Wed. September 30  

🌅 6:54 a.m.

H: ≈76.1°F

L: ≈36.5°F

🌇 6:39 p.m.


Temperature climatic data from weather station: MONUMENT 2 (USC00355711)

Precipitation climatic data from weather station: MONUMENT 2 (USC00355711)

Agricultural climatic data from weather station: DAYVILLE 8 NW (USC00352173)