Lowest September Temperatures in Camp Crook

A list of the lowest temperatures ever recorded in the month of September in Camp Crook, South Dakota from 1893–2024.
What's the coldest it has ever gotten in Camp Crook in September?
The coldest September temperature in Camp Crook, South Dakota history was 9 °F which occurred on September 25, 1926.
Rank Temperature Date
1 9 °F September 25, 1926
2 11 °F September 24, 1893
3 13 °F September 28, 1895
4 14 °F September 21, 1995
5 15 °F September 26, 1942
5 15 °F September 30, 1936
7 16 °F September 22, 1995
7 16 °F September 25, 1984
9 17 °F September 25, 1928
9 17 °F September 27, 1926
11 18 °F September 12, 1989
11 18 °F September 21, 1954
11 18 °F September 16, 1901
11 18 °F September 22, 1893
15 19 °F September 14, 1993
15 19 °F September 19, 1991
15 19 °F September 24, 1926
15 19 °F September 29, 1912
15 19 °F September 17, 1901
15 19 °F September 26, 1893