- Latitude: 33.803
- Longitude: -118.34
High Temperatures
On average, the day in September with the warmest high temperature in custom location is September 5 at an average of 82.0 °F (27.8 °C).
On average, the day in September with the coldest high temperature in custom location is September 19 at an average of 77.8 °F (25.4 °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 58.5 °F (14.7 °C) on September 12 in the year 2010 at SANTA MONICA PIER — Integrated Surface Dataset (ISD) station ID: 994028 .
Low Temperatures
On average, the day in September with the warmest low temperature in custom location is September 2 at an average of 64.6 °F (18.1 °C).
On average, the day in September with the coldest low temperature in custom location is September 30 at an average of 61.3 °F (16.3 °C).
Records
The warmest recorded low temperature in custom location was 87.8 °F (31.0 °C) on September 6 in the year 2020 at ZAMPERINI FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722955 — Weather Bureau Army Navy (WBAN): 03174 .
The coldest recorded low temperature in custom location was 42.8 °F (6.0 °C) on September 9 in the year 2000 at FULLERTON MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 722976 .
Details
If you would like to see the temperatures for specific days, you can click on the corresponding links below: