- Latitude: 34.1
- Longitude: -117.25
High Temperatures
On average, the day in September with the warmest high temperature in custom location is September 5 at an average of 94.4 °F (34.7 °C).
On average, the day in September with the coldest high temperature in custom location is September 19 at an average of 87.7 °F (31.0 °C).
Records
The warmest recorded high temperature in September in custom location was 118.4 °F (48.0 °C) on September 5 in the year 2020 at NORTON AAF — Weather Bureau Army Navy (WBAN): 23122 .
The coldest recorded high temperature in September in custom location was 59.0 °F (15.0 °C) on September 29 in the year 1983 at BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — Weather Bureau Army Navy (WBAN): 23156 .
Low Temperatures
On average, the day in September with the warmest low temperature in custom location is September 4 at an average of 62.9 °F (17.1 °C).
On average, the day in September with the coldest low temperature in custom location is September 30 at an average of 57.6 °F (14.2 °C).
Records
The warmest recorded low temperature in custom location was 105.1 °F (40.6 °C) on September 1 in the year 1987 at ONTARIO — Integrated Surface Dataset (ISD) station ID: 722865 — Weather Bureau Army Navy (WBAN): 93180 .
The coldest recorded low temperature in custom location was 39.0 °F (3.9 °C) on September 26 in the year 1948 at BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 .
Details
If you would like to see the temperatures for specific days, you can click on the corresponding links below: