Highest September Temperatures in Saint John
A list of the highest temperatures ever recorded in the month of
September in
Saint John, New Brunswick from 1871–2024.
What's the hottest it has ever gotten in Saint John in September?
The hottest September temperature in Saint John, New Brunswick history was 33.9 °C which occurred on September 8, 1945.
| Rank |
Temperature |
Date |
| 1 |
33.9 °C |
September 8, 1945 |
| 2 |
33.1 °C |
September 1, 2010 |
| 3 |
31.3 °C |
September 2, 2010 |
| 4 |
31.0 °C |
September 3, 1999 |
| 5 |
30.9 °C |
September 10, 2002 |
| 6 |
30.6 °C |
September 3, 1921 |
| 7 |
29.4 °C |
September 5, 1884 |
| 8 |
29.1 °C |
September 4, 1999 |
| 9 |
29.0 °C |
September 3, 2015 |
| 10 |
28.9 °C |
September 1, 1969 |
| 10 |
28.9 °C |
September 21, 1968 |
| 10 |
28.9 °C |
September 2, 1953 |
| 10 |
28.9 °C |
September 1, 1942 |
| 10 |
28.9 °C |
September 6, 1897 |
| 15 |
28.4 °C |
September 6, 2016 |
| 15 |
28.4 °C |
September 2, 1999 |
| 17 |
28.3 °C |
September 8, 1960 |
| 17 |
28.3 °C |
September 14, 1903 |
| 19 |
28.1 °C |
September 21, 1985 |
| 20 |
28.0 °C |
September 5, 1983 |