Lowest September Temperatures in Calgary

A list of the lowest temperatures ever recorded in the month of September in Calgary, Alberta from 1881–2024.
What's the coldest it has ever gotten in Calgary in September?
The coldest September temperature in Calgary, Alberta history was -13.3 °C which occurred on September 24, 1926.
Rank Temperature Date
1 -13.3 °C September 24, 1926
2 -12.2 °C September 25, 1934
3 -11.7 °C September 23, 1926
4 -9.4 °C September 27, 1941
4 -9.4 °C September 24, 1892
6 -9.0 °C September 28, 1985
7 -8.9 °C September 24, 1934
8 -8.6 °C September 30, 1983
9 -8.3 °C September 26, 1935
9 -8.3 °C September 26, 1933
9 -8.3 °C September 26, 1900
9 -8.3 °C September 29, 1884
13 -8.1 °C September 29, 1983
14 -7.8 °C September 22, 2000
14 -7.8 °C September 27, 1965
14 -7.8 °C September 23, 1934
14 -7.8 °C September 20, 1934
14 -7.8 °C September 27, 1928
14 -7.8 °C September 25, 1910
20 -7.7 °C September 27, 1984