Highest September Temperatures in Eureka
A list of the highest temperatures ever recorded in the month of
September in
Eureka, California from 1941–2024.
What's the hottest it has ever gotten in Eureka in September?
The hottest September temperature in Eureka, California history was 87 °F which has occurred twice, most recently on September 28, 2020.
| Rank |
Temperature |
Date |
| 1 |
87 °F |
September 28, 2020 |
| 1 |
87 °F |
September 2, 2017 |
| 3 |
86 °F |
September 20, 1983 |
| 4 |
85 °F |
September 12, 1979 |
| 4 |
85 °F |
September 6, 1958 |
| 6 |
83 °F |
September 24, 1964 |
| 7 |
82 °F |
September 23, 2006 |
| 7 |
82 °F |
September 22, 2003 |
| 7 |
82 °F |
September 12, 1988 |
| 10 |
80 °F |
September 23, 2014 |
| 10 |
80 °F |
September 30, 1992 |
| 10 |
80 °F |
September 19, 1984 |
| 10 |
80 °F |
September 21, 1947 |
| 14 |
79 °F |
September 23, 2020 |
| 14 |
79 °F |
September 27, 2017 |
| 14 |
79 °F |
September 28, 1945 |
| 17 |
78 °F |
September 3, 2017 |
| 17 |
78 °F |
September 21, 1983 |
| 17 |
78 °F |
September 26, 1970 |
| 17 |
78 °F |
September 25, 1970 |
| 17 |
78 °F |
September 14, 1952 |