Highest September Temperatures in San Jose
A list of the highest temperatures ever recorded in the month of
September in
San Jose, California from 1893–2024.
What's the hottest it has ever gotten in San Jose in September?
The hottest September temperature in San Jose, California history was 109 °F which occurred on September 6, 2022.
| Rank |
Temperature |
Date |
| 1 |
109 °F |
September 6, 2022 |
| 2 |
108 °F |
September 1, 2017 |
| 3 |
107 °F |
September 2, 2017 |
| 4 |
106 °F |
September 9, 1944 |
| 4 |
106 °F |
September 7, 1904 |
| 6 |
105 °F |
September 6, 2020 |
| 7 |
104 °F |
September 8, 2022 |
| 7 |
104 °F |
September 5, 2022 |
| 7 |
104 °F |
September 7, 2020 |
| 7 |
104 °F |
September 14, 1971 |
| 11 |
103 °F |
September 16, 1913 |
| 12 |
102 °F |
September 15, 1971 |
| 12 |
102 °F |
September 13, 1971 |
| 12 |
102 °F |
September 2, 1950 |
| 12 |
102 °F |
September 17, 1913 |
| 16 |
101 °F |
September 28, 2020 |
| 16 |
101 °F |
September 12, 1979 |
| 16 |
101 °F |
September 1, 1950 |
| 16 |
101 °F |
September 22, 1939 |
| 16 |
101 °F |
September 21, 1939 |
| 16 |
101 °F |
September 21, 1928 |