- Latitude: 33.872
- Longitude: -117.979
High Temperatures
On average, the day in September with the warmest high temperature in custom location is September 5 at an average of 85.0 °F (29.4 °C).
On average, the day in September with the coldest high temperature in custom location is September 18 at an average of 80.2 °F (26.8 °C).
Records
The warmest recorded high temperature in September in custom location was 120.9 °F (49.4 °C) on September 6 in the year 2020 at CHINO AIRPORT — Integrated Surface Dataset (ISD) station ID: 722899 — Weather Bureau Army Navy (WBAN): 03179 .
The coldest recorded high temperature in September in custom location was 64.0 °F (17.8 °C) on September 26 in the year 1974 at EL TORO(USMC) — Integrated Surface Dataset (ISD) station ID: 722908 .
Low Temperatures
On average, the day in September with the warmest low temperature in custom location is September 2 at an average of 64.0 °F (17.8 °C).
On average, the day in September with the coldest low temperature in custom location is September 30 at an average of 60.2 °F (15.7 °C).
Records
The warmest recorded low temperature in custom location was 91.0 °F (32.8 °C) on September 3 in the year 1998 at FOB DWYER — Integrated Surface Dataset (ISD) station ID: 690160 — Weather Bureau Army Navy (WBAN): 93114 .
The coldest recorded low temperature in custom location was 37.9 °F (3.3 °C) on September 30 in the year 2013 at CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 .
Details
If you would like to see the temperatures for specific days, you can click on the corresponding links below: