Lowest September Temperatures in Jerome

A list of the lowest temperatures ever recorded in the month of September in Jerome, Idaho from 1915–2024.
What's the coldest it has ever gotten in Jerome in September?
The coldest September temperature in Jerome, Idaho history was 21 °F which occurred on September 25, 1926.
Rank Temperature Date
1 21 °F September 25, 1926
2 23 °F September 26, 1926
2 23 °F September 24, 1926
4 24 °F September 19, 1965
5 25 °F September 27, 1934
6 26 °F September 26, 1984
6 26 °F September 18, 1965
6 26 °F September 27, 1948
6 26 °F September 26, 1934
6 26 °F September 29, 1922
11 27 °F September 25, 1984
11 27 °F September 22, 1961
11 27 °F September 30, 1954
11 27 °F September 28, 1950
11 27 °F September 15, 1936
11 27 °F September 14, 1915
17 28 °F September 13, 2003
17 28 °F September 29, 1999
17 28 °F September 28, 1999
17 28 °F September 27, 1999
17 28 °F September 24, 1984
17 28 °F September 24, 1961
17 28 °F September 27, 1924
17 28 °F September 29, 1921
17 28 °F September 16, 1921