- Latitude: 34.083
- Longitude: -118.033
High Temperatures
On average, the day in September with the warmest high temperature in custom location is September 6 at an average of 85.4 °F (29.7 °C).
On average, the day in September with the coldest high temperature in custom location is September 18 at an average of 80.1 °F (26.7 °C).
Records
The warmest recorded high temperature in September in custom location was 113.0 °F (45.0 °C) on September 6 in the year 2024 at FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 .
The coldest recorded high temperature in September in custom location was 44.6 °F (7.0 °C) on September 22 in the year 2007 at MOUNT WILSON — Integrated Surface Dataset (ISD) station ID: 722890 — Weather Bureau Army Navy (WBAN): 93136 .
Low Temperatures
On average, the day in September with the warmest low temperature in custom location is September 2 at an average of 64.9 °F (18.3 °C).
On average, the day in September with the coldest low temperature in custom location is September 29 at an average of 61.1 °F (16.2 °C).
Records
The warmest recorded low temperature in custom location was 89.6 °F (32.0 °C) on September 6 in the year 2020 at CABLE — Integrated Surface Dataset (ISD) station ID: 720329 .
The coldest recorded low temperature in custom location was 35.1 °F (1.7 °C) on September 19 in the year 1989 at MOUNT WILSON — Integrated Surface Dataset (ISD) station ID: 722890 — Weather Bureau Army Navy (WBAN): 93136 .
Details
If you would like to see the temperatures for specific days, you can click on the corresponding links below: