Lowest September Temperatures in Mobridge

A list of the lowest temperatures ever recorded in the month of September in Mobridge, South Dakota from 1911–2024.
What's the coldest it has ever gotten in Mobridge in September?
The coldest September temperature in Mobridge, South Dakota history was 17 °F which occurred on September 27, 1928.
Rank Temperature Date
1 17 °F September 27, 1928
2 18 °F September 25, 1928
3 20 °F September 26, 1942
3 20 °F September 29, 1939
5 22 °F September 26, 1965
5 22 °F September 28, 1945
5 22 °F September 27, 1927
5 22 °F September 25, 1911
9 23 °F September 28, 1951
9 23 °F September 27, 1942
9 23 °F September 27, 1930
12 24 °F September 19, 1991
12 24 °F September 24, 1942
12 24 °F September 30, 1939
12 24 °F September 25, 1913
16 25 °F September 30, 1974
16 25 °F September 22, 1947
16 25 °F September 23, 1942
16 25 °F September 26, 1934
16 25 °F September 20, 1918
16 25 °F September 15, 1916