Highest September Temperatures in St. Petersburg

A list of the highest temperatures ever recorded in the month of September in St. Petersburg, Russia from 1881–2024.
What's the hottest it has ever gotten in St. Petersburg in September?
The hottest September temperature in St. Petersburg, Russia history was 30.4 °C which occurred on September 1, 1992.
Rank Temperature Date
1 30.4 °C September 1, 1992
2 29.0 °C September 5, 1968
3 28.3 °C September 2, 1963
3 28.3 °C September 1, 1938
5 28.0 °C September 3, 1938
6 27.6 °C September 1, 1963
6 27.6 °C September 5, 1938
8 27.5 °C September 1, 1996
8 27.5 °C September 6, 1967
8 27.5 °C September 5, 1967
11 27.2 °C September 4, 1938
12 27.1 °C September 4, 1968
12 27.1 °C September 3, 1963
12 27.1 °C September 10, 1883
15 27.0 °C September 7, 2018
15 27.0 °C September 3, 1968
17 26.9 °C September 6, 1968
18 26.8 °C September 2, 1951
19 26.7 °C September 7, 1999
19 26.7 °C September 11, 1932