Weather Almanac: Gresham, OR 97080

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 1.85"
September days below freezing
📉 ≈0.0 days
Average September lows 47°F – 52°F
USDA Zone
8b
Annual extreme lows 15°F to 20°F
Last Spring Frost (36°F)
🌷 Apr 25
First Fall Frost (36°F)
🍂 Oct 24
Mon. September 1 Labor Day  

🌅 6:31 a.m.

H: 72°F – 88°F

L: 47°F – 57°F

🌇 7:46 p.m.

Tue. September 2  

🌅 6:32 a.m.

H: 71°F – 88°F

L: 47°F – 57°F

🌇 7:44 p.m.

Wed. September 3  

🌅 6:33 a.m.

H: 71°F – 88°F

L: 47°F – 57°F

🌇 7:42 p.m.

Thu. September 4  

🌅 6:35 a.m.

H: 71°F – 87°F

L: 46°F – 56°F

🌇 7:40 p.m.

Fri. September 5  

🌅 6:36 a.m.

H: 71°F – 87°F

L: 46°F – 56°F

🌇 7:38 p.m.

Sat. September 6  

🌅 6:37 a.m.

H: 71°F – 87°F

L: 46°F – 56°F

🌇 7:36 p.m.

Sun. September 7 🌕

🌅 6:38 a.m.

H: 70°F – 87°F

L: 46°F – 56°F

🌇 7:35 p.m.

Mon. September 8  

🌅 6:40 a.m.

H: 70°F – 87°F

L: 46°F – 56°F

🌇 7:33 p.m.

Tue. September 9  

🌅 6:41 a.m.

H: 70°F – 86°F

L: 45°F – 56°F

🌇 7:31 p.m.

Wed. September 10  

🌅 6:42 a.m.

H: 70°F – 86°F

L: 45°F – 56°F

🌇 7:29 p.m.

Thu. September 11  

🌅 6:43 a.m.

H: 69°F – 86°F

L: 45°F – 56°F

🌇 7:27 p.m.

Fri. September 12  

🌅 6:44 a.m.

H: 69°F – 86°F

L: 45°F – 56°F

🌇 7:25 p.m.

Sat. September 13  

🌅 6:46 a.m.

H: 69°F – 85°F

L: 45°F – 55°F

🌇 7:23 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:47 a.m.

H: 69°F – 85°F

L: 45°F – 55°F

🌇 7:21 p.m.

Mon. September 15  

🌅 6:48 a.m.

H: 68°F – 85°F

L: 44°F – 55°F

🌇 7:19 p.m.

Tue. September 16  

🌅 6:49 a.m.

H: 68°F – 84°F

L: 44°F – 55°F

🌇 7:17 p.m.

Wed. September 17  

🌅 6:51 a.m.

H: 68°F – 84°F

L: 44°F – 55°F

🌇 7:15 p.m.

Thu. September 18  

🌅 6:52 a.m.

H: 68°F – 84°F

L: 44°F – 55°F

🌇 7:13 p.m.

Fri. September 19  

🌅 6:53 a.m.

H: 67°F – 83°F

L: 43°F – 55°F

🌇 7:12 p.m.

Sat. September 20  

🌅 6:54 a.m.

H: 67°F – 83°F

L: 43°F – 54°F

🌇 7:10 p.m.

Sun. September 21 🌑

🌅 6:55 a.m.

H: 67°F – 83°F

L: 43°F – 54°F

🌇 7:08 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:57 a.m.

H: 66°F – 82°F

L: 43°F – 54°F

🌇 7:06 p.m.

Tue. September 23  

🌅 6:58 a.m.

H: 66°F – 82°F

L: 43°F – 54°F

🌇 7:04 p.m.

Wed. September 24  

🌅 6:59 a.m.

H: 66°F – 81°F

L: 42°F – 54°F

🌇 7:02 p.m.

Thu. September 25  

🌅 7:00 a.m.

H: 65°F – 81°F

L: 42°F – 54°F

🌇 7:00 p.m.

Fri. September 26  

🌅 7:02 a.m.

H: 65°F – 80°F

L: 42°F – 54°F

🌇 6:58 p.m.

Sat. September 27  

🌅 7:03 a.m.

H: 64°F – 80°F

L: 42°F – 53°F

🌇 6:56 p.m.

Sun. September 28  

🌅 7:04 a.m.

H: 64°F – 80°F

L: 41°F – 53°F

🌇 6:54 p.m.

Mon. September 29 🌓

🌅 7:05 a.m.

H: 64°F – 79°F

L: 41°F – 53°F

🌇 6:52 p.m.

Tue. September 30  

🌅 7:07 a.m.

H: 63°F – 79°F

L: 41°F – 53°F

🌇 6:50 p.m.


Temperature climatic data from weather station: PORTLAND TROUTDALE AP (USW00024242)

Precipitation climatic data from weather station: PORTLAND TROUTDALE AP (USW00024242)

Agricultural climatic data from weather station: PORTLAND WFO (USC00356750)