September - custom location - Weather History and Averages

High Temperatures

On average, the day in September with the warmest high temperature in custom location is September 4 at an average of 84.7 °F (29.3 °C).

On average, the day in September with the coldest high temperature in custom location is September 19 at an average of 80.0 °F (26.7 °C).

Records

The warmest recorded high temperature in September in custom location was 114.1 °F (45.6 °C) on September 6 in the year 2024 at RAMONA AIRPORT — Integrated Surface Dataset (ISD) station ID: 745056 — Weather Bureau Army Navy (WBAN): 53120 .

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 SAN DIEGO MIRAMAR NAS — Weather Bureau Army Navy (WBAN): 93107 .

Low Temperatures

On average, the day in September with the warmest low temperature in custom location is September 3 at an average of 64.1 °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 59.8 °F (15.4 °C).

Records

The warmest recorded low temperature in custom location was 93.2 °F (34.0 °C) on September 8 in the year 2011 at GILLESPIE FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722907 — Weather Bureau Army Navy (WBAN): 53143 .

The coldest recorded low temperature in custom location was 39.0 °F (3.9 °C) on September 28 in the year 2013 at RAMONA AIRPORT — Integrated Surface Dataset (ISD) station ID: 745056 — Weather Bureau Army Navy (WBAN): 53120 .

Details

If you would like to see the temperatures for specific days, you can click on the corresponding links below: