Weather Almanac: Imperial Beach, CA 91932

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 0.20"
September days below freezing
📉 ≈0.0 days
Average September lows ≈62.2°F
USDA Zone
10b
Annual extreme lows 35°F to 40°F
Last Spring Frost (36°F)
🌷 Jan 29
First Fall Frost (36°F)
🍂 Dec 17
Mon. September 1 Labor Day  

🌅 6:23 a.m.

H: ≈75.9°F

L: ≈64.4°F

🌇 7:12 p.m.

Tue. September 2  

🌅 6:24 a.m.

H: ≈76.0°F

L: ≈64.3°F

🌇 7:11 p.m.

Wed. September 3  

🌅 6:24 a.m.

H: ≈76.0°F

L: ≈64.1°F

🌇 7:09 p.m.

Thu. September 4  

🌅 6:25 a.m.

H: ≈76.1°F

L: ≈64.0°F

🌇 7:08 p.m.

Fri. September 5  

🌅 6:26 a.m.

H: ≈76.1°F

L: ≈63.9°F

🌇 7:07 p.m.

Sat. September 6  

🌅 6:26 a.m.

H: ≈76.1°F

L: ≈63.7°F

🌇 7:05 p.m.

Sun. September 7 🌕

🌅 6:27 a.m.

H: ≈76.1°F

L: ≈63.6°F

🌇 7:04 p.m.

Mon. September 8  

🌅 6:28 a.m.

H: ≈76.1°F

L: ≈63.4°F

🌇 7:03 p.m.

Tue. September 9  

🌅 6:28 a.m.

H: ≈76.1°F

L: ≈63.2°F

🌇 7:01 p.m.

Wed. September 10  

🌅 6:29 a.m.

H: ≈76.1°F

L: ≈63.1°F

🌇 7:00 p.m.

Thu. September 11  

🌅 6:29 a.m.

H: ≈76.1°F

L: ≈62.9°F

🌇 6:59 p.m.

Fri. September 12  

🌅 6:30 a.m.

H: ≈76.1°F

L: ≈62.8°F

🌇 6:57 p.m.

Sat. September 13  

🌅 6:31 a.m.

H: ≈76.0°F

L: ≈62.6°F

🌇 6:56 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:31 a.m.

H: ≈76.0°F

L: ≈62.4°F

🌇 6:55 p.m.

Mon. September 15  

🌅 6:32 a.m.

H: ≈75.9°F

L: ≈62.3°F

🌇 6:53 p.m.

Tue. September 16  

🌅 6:33 a.m.

H: ≈75.8°F

L: ≈62.1°F

🌇 6:52 p.m.

Wed. September 17  

🌅 6:33 a.m.

H: ≈75.7°F

L: ≈61.9°F

🌇 6:51 p.m.

Thu. September 18  

🌅 6:34 a.m.

H: ≈75.6°F

L: ≈61.8°F

🌇 6:49 p.m.

Fri. September 19  

🌅 6:35 a.m.

H: ≈75.5°F

L: ≈61.6°F

🌇 6:48 p.m.

Sat. September 20  

🌅 6:35 a.m.

H: ≈75.4°F

L: ≈61.5°F

🌇 6:47 p.m.

Sun. September 21 🌑

🌅 6:36 a.m.

H: ≈75.3°F

L: ≈61.3°F

🌇 6:45 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:36 a.m.

H: ≈75.1°F

L: ≈61.2°F

🌇 6:44 p.m.

Tue. September 23  

🌅 6:37 a.m.

H: ≈75.0°F

L: ≈61.0°F

🌇 6:43 p.m.

Wed. September 24  

🌅 6:38 a.m.

H: ≈74.9°F

L: ≈60.9°F

🌇 6:41 p.m.

Thu. September 25  

🌅 6:38 a.m.

H: ≈74.7°F

L: ≈60.7°F

🌇 6:40 p.m.

Fri. September 26  

🌅 6:39 a.m.

H: ≈74.6°F

L: ≈60.6°F

🌇 6:39 p.m.

Sat. September 27  

🌅 6:40 a.m.

H: ≈74.4°F

L: ≈60.4°F

🌇 6:37 p.m.

Sun. September 28  

🌅 6:40 a.m.

H: ≈74.2°F

L: ≈60.3°F

🌇 6:36 p.m.

Mon. September 29 🌓

🌅 6:41 a.m.

H: ≈74.1°F

L: ≈60.1°F

🌇 6:35 p.m.

Tue. September 30  

🌅 6:42 a.m.

H: ≈73.9°F

L: ≈60.0°F

🌇 6:33 p.m.


Temperature climatic data from weather station: IMPERIAL BEACH REAM FLD NAS (USW00093115)

Precipitation climatic data from weather station: IMPERIAL BEACH REAM FLD NAS (USW00093115)

Agricultural climatic data from weather station: CHULA VISTA (USC00041758)