Weather Almanac: Oakville, CA 94562

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 0.33"
September days below freezing
📉 ≈0.0 days
Average September lows ≈50.5°F
USDA Zone
9b
Annual extreme lows 25°F to 30°F
Last Spring Frost (36°F)
🌷 Apr 10
First Fall Frost (36°F)
🍂 Nov 8
Mon. September 1 Labor Day  

🌅 6:39 a.m.

H: ≈86.4°F

L: ≈52.3°F

🌇 7:38 p.m.

Tue. September 2  

🌅 6:40 a.m.

H: ≈86.3°F

L: ≈52.2°F

🌇 7:37 p.m.

Wed. September 3  

🌅 6:41 a.m.

H: ≈86.3°F

L: ≈52.2°F

🌇 7:35 p.m.

Thu. September 4  

🌅 6:42 a.m.

H: ≈86.2°F

L: ≈52.1°F

🌇 7:34 p.m.

Fri. September 5  

🌅 6:42 a.m.

H: ≈86.1°F

L: ≈52.0°F

🌇 7:32 p.m.

Sat. September 6  

🌅 6:43 a.m.

H: ≈86.0°F

L: ≈51.9°F

🌇 7:31 p.m.

Sun. September 7 🌕

🌅 6:44 a.m.

H: ≈85.9°F

L: ≈51.8°F

🌇 7:29 p.m.

Mon. September 8  

🌅 6:45 a.m.

H: ≈85.8°F

L: ≈51.7°F

🌇 7:28 p.m.

Tue. September 9  

🌅 6:46 a.m.

H: ≈85.7°F

L: ≈51.6°F

🌇 7:26 p.m.

Wed. September 10  

🌅 6:47 a.m.

H: ≈85.6°F

L: ≈51.5°F

🌇 7:24 p.m.

Thu. September 11  

🌅 6:48 a.m.

H: ≈85.5°F

L: ≈51.4°F

🌇 7:23 p.m.

Fri. September 12  

🌅 6:49 a.m.

H: ≈85.4°F

L: ≈51.2°F

🌇 7:21 p.m.

Sat. September 13  

🌅 6:49 a.m.

H: ≈85.3°F

L: ≈51.1°F

🌇 7:20 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:50 a.m.

H: ≈85.1°F

L: ≈50.9°F

🌇 7:18 p.m.

Mon. September 15  

🌅 6:51 a.m.

H: ≈85.0°F

L: ≈50.8°F

🌇 7:17 p.m.

Tue. September 16  

🌅 6:52 a.m.

H: ≈84.9°F

L: ≈50.6°F

🌇 7:15 p.m.

Wed. September 17  

🌅 6:53 a.m.

H: ≈84.7°F

L: ≈50.4°F

🌇 7:13 p.m.

Thu. September 18  

🌅 6:54 a.m.

H: ≈84.6°F

L: ≈50.3°F

🌇 7:12 p.m.

Fri. September 19  

🌅 6:55 a.m.

H: ≈84.5°F

L: ≈50.1°F

🌇 7:10 p.m.

Sat. September 20  

🌅 6:56 a.m.

H: ≈84.3°F

L: ≈49.9°F

🌇 7:09 p.m.

Sun. September 21 🌑

🌅 6:56 a.m.

H: ≈84.2°F

L: ≈49.7°F

🌇 7:07 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:57 a.m.

H: ≈84.0°F

L: ≈49.5°F

🌇 7:05 p.m.

Tue. September 23  

🌅 6:58 a.m.

H: ≈83.8°F

L: ≈49.4°F

🌇 7:04 p.m.

Wed. September 24  

🌅 6:59 a.m.

H: ≈83.7°F

L: ≈49.2°F

🌇 7:02 p.m.

Thu. September 25  

🌅 7:00 a.m.

H: ≈83.5°F

L: ≈49.0°F

🌇 7:01 p.m.

Fri. September 26  

🌅 7:01 a.m.

H: ≈83.4°F

L: ≈48.8°F

🌇 6:59 p.m.

Sat. September 27  

🌅 7:02 a.m.

H: ≈83.2°F

L: ≈48.6°F

🌇 6:58 p.m.

Sun. September 28  

🌅 7:03 a.m.

H: ≈83.0°F

L: ≈48.4°F

🌇 6:56 p.m.

Mon. September 29 🌓

🌅 7:04 a.m.

H: ≈82.8°F

L: ≈48.3°F

🌇 6:54 p.m.

Tue. September 30  

🌅 7:04 a.m.

H: ≈82.7°F

L: ≈48.1°F

🌇 6:53 p.m.


Temperature climatic data from weather station: YOUNTVILLE (USC00049859)

Precipitation climatic data from weather station: YOUNTVILLE (USC00049859)

Agricultural climatic data from weather station: SAINT HELENA (USC00047643)