Lowest September Temperatures in San Jacinto
A list of the lowest temperatures ever recorded in the month of
September in
San Jacinto, California from 1893–2024.
What's the coldest it has ever gotten in San Jacinto in September?
The coldest September temperature in San Jacinto, California history was 35 °F which occurred on September 19, 1989.
| Rank |
Temperature |
Date |
| 1 |
35 °F |
September 19, 1989 |
| 2 |
36 °F |
September 30, 1954 |
| 2 |
36 °F |
September 13, 1954 |
| 4 |
37 °F |
September 16, 1954 |
| 4 |
37 °F |
September 15, 1954 |
| 4 |
37 °F |
September 12, 1952 |
| 7 |
38 °F |
September 23, 1953 |
| 7 |
38 °F |
September 12, 1897 |
| 7 |
38 °F |
September 19, 1895 |
| 10 |
39 °F |
September 29, 1955 |
| 10 |
39 °F |
September 20, 1954 |
| 10 |
39 °F |
September 17, 1954 |
| 10 |
39 °F |
September 14, 1954 |
| 10 |
39 °F |
September 13, 1952 |
| 10 |
39 °F |
September 30, 1940 |
| 10 |
39 °F |
September 29, 1940 |
| 10 |
39 °F |
September 20, 1925 |
| 10 |
39 °F |
September 19, 1925 |
| 10 |
39 °F |
September 21, 1924 |
| 10 |
39 °F |
September 26, 1907 |
| 10 |
39 °F |
September 13, 1897 |
| 10 |
39 °F |
September 18, 1895 |
| 10 |
39 °F |
September 29, 1894 |