Helena September 22 Weather Records

Daily averages and all-time records for weather in Helena, Montana for the date of September 22.
September 22 All-Time Records
1893–2024
Highest temperature 89 °F 1966
Lowest temperature 21 °F 1934
Lowest daily high 34 °F 2000
Highest daily low 57 °F 1936
Most precipitation 1.26 inches 2023
Most snow 5.1 inches 1934
September 22 Average Weather
1991–2020 1
Average high 69.8 °F
Average low 41.4 °F
Chance precipitation 19.7%
Chance snow 0.3%
Helena September 22 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 57 48 1.26 0.0
2022 65 49 0.27 0.0
2021 82 40 0.00 0.0
2020 74 43 0.00 0.0
2019 75 52 0.00 0.0
2018 78 43 0.00 0.0
2017 42 35 0.14 0.0
2016 56 47 0.20 0.0
2015 77 45 0.00 0.0
2014 n/a n/a n/a n/a
2013 70 47 0.03 0.0
2012 81 46 0.00 0.0
2011 88 37 0.00 0.0
2010 54 46 0.00 0.0
2009 78 42 0.00 0.0
2008 63 42 0.02 0.0
2007 70 37 0.15 0.0
2006 50 42 0.12 0.0
2005 74 37 0.00 0.0
2004 64 48 0.00 0.0
2003 81 37 0.00 n/a
2002 73 35 0.00 n/a
2001 79 48 0.00 n/a
2000 34 26 0.00 n/a
1999 84 37 0.00 n/a
1998 69 31 0.00 n/a
1997 75 38 0.00 n/a
1996 56 37 0.03 n/a
1995 65 25 0.00 0.0
1994 80 32 0.00 0.0
1993 61 28 0.00 0.0
1992 84 42 0.00 0.0
1991 62 31 0.00 0.0
1990 77 39 0.00 0.0
1989 76 40 0.00 0.0
1988 66 35 0.00 0.0
1987 84 38 0.00 0.0
1986 62 32 0.00 0.0
1985 49 33 0.23 1.7
1984 45 34 0.04 0.0
1983 69 32 0.00 0.0
1982 70 44 0.00 0.0
1981 61 35 0.00 0.0
1980 61 31 0.00 0.0
1979 79 43 0.00 0.0
1978 73 35 0.00 0.0
1977 58 38 0.00 0.0
1976 73 44 0.00 0.0
1975 71 34 0.00 0.0
1974 74 33 0.00 0.0
1973 66 36 0.00 0.0
1972 63 38 0.00 0.0
1971 63 25 0.00 0.0
1970 65 36 0.00 0.0
1969 67 35 0.00 0.0
1968 51 40 0.00 0.0
1967 78 51 0.00 0.0
1966 89 48 0.00 0.0
1965 45 39 0.03 0.0
1964 64 49 0.00 0.0
1963 80 46 0.00 0.0
1962 75 43 0.00 0.0
1961 50 27 0.00 0.0
1960 62 25 0.00 0.0
1959 62 44 0.00 0.0
1958 67 45 0.00 0.0
1957 69 34 0.00 0.0
1956 65 38 0.00 0.0
1955 49 30 0.00 0.0
1954 81 40 0.00 0.0
1953 79 46 0.01 0.0
1952 79 31 0.00 0.0
1951 50 42 0.14 0.0
1950 76 37 0.00 0.0
1949 80 40 0.00 0.0
1948 84 44 0.00 0.0
1947 81 42 0.00 0.0
1946 57 40 0.00 0.0
1945 43 31 0.29 1.2
1944 64 47 0.12 0.0
1943 70 41 0.00 0.0
1942 72 38 0.00 0.0
1941 63 29 0.00 0.0
1940 67 45 0.00 0.0
1939 75 50 0.00 n/a
1938 84 55 0.00 0.0
1937 56 48 0.06 0.0
1936 75 57 0.00 0.0
1935 84 52 0.00 0.0
1934 34 21 0.41 5.1
1933 64 39 0.07 0.0
1932 68 31 0.00 0.0
1931 42 37 0.00 0.0
1930 64 45 0.48 0.0
1929 58 34 0.00 0.0
1928 69 44 0.00 0.0
1927 74 43 0.00 0.0
1926 56 24 0.13 0.3
1925 68 35 0.00 0.0
1924 78 43 0.00 0.0
1923 52 37 0.00 0.0
1922 72 49 0.00 0.0
1921 66 47 0.03 0.0
1920 59 44 0.02 0.0
1919 72 32 0.00 0.0
1918 65 53 0.02 0.0
1917 81 56 0.00 0.0
1916 79 42 0.00 0.0
1915 71 52 0.00 0.0
1914 67 48 0.00 0.0
1913 53 35 0.17 0.0
1912 58 39 0.00 0.0
1911 46 28 0.14 1.0
1910 52 41 0.00 0.0
1909 52 42 0.00 0.0
1908 69 52 0.00 0.0
1907 72 53 0.00 0.0
1906 74 46 0.00 0.0
1905 87 48 0.00 0.0
1904 73 47 0.00 0.0
1903 73 51 0.00 0.0
1902 73 43 0.00 0.0
1901 55 41 0.04 0.0
1900 72 44 n/a 0.0
1899 73 53 0.00 0.0
1898 60 47 0.13 0.0
1897 78 51 0.00 0.0
1896 74 43 0.00 0.0
1895 50 33 0.00 0.0
1894 49 35 0.12 0.0
1893 52 36 0.00 0.0
What's the all-time high for Helena on 9/22?
For the date of Sep 22, the highest temperature ever reached in Helena history is 89 °F which happened in 1966.
Highest Temperatures in Helena on September 22
Rank Temperature Year
1 89 °F 1966
2 88 °F 2011
3 87 °F 1905
4 84 °F 1999
4 84 °F 1987
4 84 °F 1948
4 84 °F 1938
4 84 °F 1935
4 84 °F 1992
10 82 °F 2021
What's the all-time low for Helena on 9/22?
For the date of Sep 22, the lowest temperature ever reached in Helena history is 21 °F which happened in 1934.
Lowest Temperatures in Helena on September 22
Rank Temperature Year
1 21 °F 1934
2 24 °F 1926
3 25 °F 1971
3 25 °F 1960
3 25 °F 1995
6 26 °F 2000
7 27 °F 1961
8 28 °F 1993
8 28 °F 1911
10 29 °F 1941
Lowest High Temperatures in Helena on September 22
Rank Temperature Year
1 34 °F 1934
1 34 °F 2000
3 42 °F 2017
3 42 °F 1931
5 43 °F 1945
6 45 °F 1984
6 45 °F 1965
8 46 °F 1911
9 49 °F 1985
9 49 °F 1894
9 49 °F 1955
What's the most it has ever rained in Helena on 9/22?
For the date of Sep 22, the most precipitation ever recorded in Helena history is 1.26 inches which happened in 2023.
All-Time Most Precipitation in Helena on September 22
Rank Precipitation Year
1 1.26 inches 2023
2 0.48 inches 1930
3 0.41 inches 1934
4 0.29 inches 1945
5 0.27 inches 2022
6 0.23 inches 1985
7 0.20 inches 2016
8 0.17 inches 1913
9 0.15 inches 2007
10 0.14 inches 1911
10 0.14 inches 2017
10 0.14 inches 1951
All-Time Most Snow in Helena on September 22
Rank Precipitation Year
1 5.1 inches 1934
2 1.7 inches 1985
3 1.2 inches 1945
4 1.0 inches 1911
5 0.3 inches 1926
Weather Station Details
Years Station Coordinates
1939–2024 Helena Regional Airport location
1893–1938 Helna location