Weather Almanac: Oakmont, PA 15139

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 3.84"
September days below freezing
📉 ≈0.2 days
Average September lows 50°F – 55°F
USDA Zone
6b
Annual extreme lows -5°F to 0°F
Last Spring Frost (36°F)
🌷 May 19
First Fall Frost (36°F)
🍂 Sep 29
Mon. September 1 Labor Day  

🌅 6:46 a.m.

H: 75°F – 87°F

L: 51°F – 64°F

🌇 7:50 p.m.

Tue. September 2  

🌅 6:47 a.m.

H: 75°F – 87°F

L: 51°F – 64°F

🌇 7:49 p.m.

Wed. September 3  

🌅 6:48 a.m.

H: 74°F – 87°F

L: 50°F – 63°F

🌇 7:47 p.m.

Thu. September 4  

🌅 6:49 a.m.

H: 74°F – 86°F

L: 50°F – 63°F

🌇 7:45 p.m.

Fri. September 5  

🌅 6:50 a.m.

H: 74°F – 86°F

L: 49°F – 63°F

🌇 7:44 p.m.

Sat. September 6  

🌅 6:51 a.m.

H: 73°F – 86°F

L: 49°F – 63°F

🌇 7:42 p.m.

Sun. September 7 🌕

🌅 6:52 a.m.

H: 73°F – 86°F

L: 49°F – 62°F

🌇 7:41 p.m.

Mon. September 8  

🌅 6:53 a.m.

H: 73°F – 85°F

L: 48°F – 62°F

🌇 7:39 p.m.

Tue. September 9  

🌅 6:54 a.m.

H: 72°F – 85°F

L: 48°F – 62°F

🌇 7:37 p.m.

Wed. September 10  

🌅 6:55 a.m.

H: 72°F – 85°F

L: 47°F – 62°F

🌇 7:36 p.m.

Thu. September 11  

🌅 6:56 a.m.

H: 71°F – 85°F

L: 47°F – 61°F

🌇 7:34 p.m.

Fri. September 12  

🌅 6:57 a.m.

H: 71°F – 84°F

L: 47°F – 61°F

🌇 7:32 p.m.

Sat. September 13  

🌅 6:58 a.m.

H: 71°F – 84°F

L: 46°F – 61°F

🌇 7:31 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:59 a.m.

H: 70°F – 84°F

L: 46°F – 60°F

🌇 7:29 p.m.

Mon. September 15  

🌅 7:00 a.m.

H: 70°F – 83°F

L: 45°F – 60°F

🌇 7:27 p.m.

Tue. September 16  

🌅 7:01 a.m.

H: 69°F – 83°F

L: 45°F – 60°F

🌇 7:25 p.m.

Wed. September 17  

🌅 7:02 a.m.

H: 69°F – 83°F

L: 44°F – 59°F

🌇 7:24 p.m.

Thu. September 18  

🌅 7:03 a.m.

H: 68°F – 83°F

L: 44°F – 59°F

🌇 7:22 p.m.

Fri. September 19  

🌅 7:04 a.m.

H: 68°F – 82°F

L: 44°F – 59°F

🌇 7:20 p.m.

Sat. September 20  

🌅 7:05 a.m.

H: 67°F – 82°F

L: 43°F – 58°F

🌇 7:19 p.m.

Sun. September 21 🌑

🌅 7:06 a.m.

H: 67°F – 82°F

L: 43°F – 58°F

🌇 7:17 p.m.

Mon. September 22 Autumn Equinox  

🌅 7:07 a.m.

H: 66°F – 81°F

L: 42°F – 57°F

🌇 7:15 p.m.

Tue. September 23  

🌅 7:08 a.m.

H: 66°F – 81°F

L: 42°F – 57°F

🌇 7:14 p.m.

Wed. September 24  

🌅 7:09 a.m.

H: 65°F – 81°F

L: 41°F – 57°F

🌇 7:12 p.m.

Thu. September 25  

🌅 7:10 a.m.

H: 65°F – 81°F

L: 41°F – 56°F

🌇 7:10 p.m.

Fri. September 26  

🌅 7:11 a.m.

H: 64°F – 80°F

L: 40°F – 56°F

🌇 7:09 p.m.

Sat. September 27  

🌅 7:12 a.m.

H: 64°F – 80°F

L: 40°F – 55°F

🌇 7:07 p.m.

Sun. September 28  

🌅 7:13 a.m.

H: 63°F – 80°F

L: 40°F – 55°F

🌇 7:05 p.m.

Mon. September 29 🌓

🌅 7:14 a.m.

H: 63°F – 79°F

L: 39°F – 55°F

🌇 7:04 p.m.

Tue. September 30  

🌅 7:15 a.m.

H: 62°F – 79°F

L: 39°F – 54°F

🌇 7:02 p.m.


Temperature climatic data from weather station: MCKEESPORT (USC00365573)

Precipitation climatic data from weather station: ACMETONIA LOCK 3 (USC00360022)

Agricultural climatic data from weather station: MCKEESPORT (USC00365573)