Boise September 22 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of September 22.
September 22 All-Time Records
1911–2024
Highest temperature 99 °F 1966
Lowest temperature 28 °F 1929
Lowest daily high 52 °F 2017
Highest daily low 62 °F 1963
Most precipitation 0.35 inches 1930
Most snow none -
September 22 Average Weather
1991–2020 1
Average high 76.8 °F
Average low 49.9 °F
Chance precipitation 14.6%
Chance snow 0%
Boise September 22 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 70 48 0.01 0.0
2022 70 55 0.00 0.0
2021 82 53 0.00 0.0
2020 81 56 0.00 0.0
2019 78 51 0.00 0.0
2018 83 55 0.00 0.0
2017 52 41 0.03 0.0
2016 61 52 0.05 0.0
2015 86 54 0.00 0.0
2014 82 61 0.01 0.0
2013 68 53 0.00 0.0
2012 79 51 0.00 0.0
2011 91 55 0.00 0.0
2010 73 51 0.00 0.0
2009 83 50 0.00 0.0
2008 66 46 0.00 0.0
2007 74 55 0.02 0.0
2006 67 42 0.00 0.0
2005 77 48 0.00 0.0
2004 73 43 0.00 0.0
2003 82 47 0.00 0.0
2002 74 43 0.00 0.0
2001 85 50 0.00 0.0
2000 57 42 0.07 0.0
1999 87 56 0.00 0.0
1998 74 50 0.00 0.0
1997 78 53 0.00 0.0
1996 60 39 0.00 0.0
1995 71 36 0.00 0.0
1994 84 50 0.00 0.0
1993 67 31 0.00 0.0
1992 95 60 0.00 0.0
1991 72 31 0.00 0.0
1990 89 55 0.00 0.0
1989 84 52 0.00 0.0
1988 72 37 0.00 0.0
1987 91 53 0.00 0.0
1986 66 35 0.00 0.0
1985 65 41 0.00 0.0
1984 62 37 0.00 0.0
1983 76 44 0.00 0.0
1982 78 46 0.00 0.0
1981 67 39 0.00 0.0
1980 66 38 0.00 0.0
1979 85 52 0.00 0.0
1978 78 50 0.00 0.0
1977 59 33 0.00 0.0
1976 75 53 0.00 0.0
1975 88 50 0.00 0.0
1974 84 55 0.00 0.0
1973 74 52 0.00 0.0
1972 67 45 0.00 0.0
1971 74 47 0.00 0.0
1970 69 43 0.00 0.0
1969 75 44 0.00 0.0
1968 61 38 0.00 0.0
1967 83 56 0.00 0.0
1966 99 59 0.00 0.0
1965 76 50 0.00 0.0
1964 73 45 0.00 0.0
1963 90 62 0.05 0.0
1962 85 53 0.00 0.0
1961 60 32 0.00 0.0
1960 68 36 0.00 0.0
1959 63 42 0.00 0.0
1958 70 43 0.00 0.0
1957 78 47 0.00 0.0
1956 70 36 0.00 0.0
1955 65 31 0.00 0.0
1954 73 51 0.00 0.0
1953 74 53 0.00 0.0
1952 86 55 0.00 0.0
1951 73 43 0.00 0.0
1950 81 51 0.00 0.0
1949 88 50 0.00 0.0
1948 72 48 0.00 0.0
1947 84 49 0.00 0.0
1946 64 33 0.00 0.0
1945 54 41 0.07 0.0
1944 72 45 0.00 0.0
1943 80 47 0.00 0.0
1942 78 42 0.00 0.0
1941 73 32 0.00 0.0
1940 73 45 0.00 0.0
1939 88 54 0.00 0.0
1938 91 55 0.00 0.0
1937 71 49 0.00 0.0
1936 87 44 0.00 0.0
1935 86 46 0.00 0.0
1934 64 40 0.00 0.0
1933 68 46 0.00 0.0
1932 81 40 0.00 n/a
1931 66 30 0.00 n/a
1930 80 50 0.35 n/a
1929 68 28 0.00 n/a
1928 88 38 0.00 n/a
1927 87 44 0.00 0.0
1926 71 40 0.00 0.0
1925 75 41 0.00 0.0
1924 88 49 0.00 0.0
1923 68 39 0.00 0.0
1922 77 44 0.00 0.0
1921 79 49 0.00 0.0
1920 66 48 0.00 0.0
1919 76 37 0.00 0.0
1918 74 54 0.10 0.0
1917 76 52 0.20 0.0
1916 80 40 0.00 0.0
1915 77 39 0.00 0.0
1914 77 35 0.00 0.0
1913 60 35 0.20 0.0
1912 74 36 0.00 0.0
1911 76 48 0.00 0.0
What's the all-time high for Boise on 9/22?
For the date of Sep 22, the highest temperature ever reached in Boise history is 99 °F which happened in 1966.
Highest Temperatures in Boise on September 22
Rank Temperature Year
1 99 °F 1966
2 95 °F 1992
3 91 °F 2011
3 91 °F 1938
3 91 °F 1987
6 90 °F 1963
7 89 °F 1990
8 88 °F 1928
8 88 °F 1939
8 88 °F 1949
8 88 °F 1975
8 88 °F 1924
What's the all-time low for Boise on 9/22?
For the date of Sep 22, the lowest temperature ever reached in Boise history is 28 °F which happened in 1929.
Lowest Temperatures in Boise on September 22
Rank Temperature Year
1 28 °F 1929
2 30 °F 1931
3 31 °F 1991
3 31 °F 1955
3 31 °F 1993
6 32 °F 1941
6 32 °F 1961
8 33 °F 1977
8 33 °F 1946
10 35 °F 1913
10 35 °F 1914
10 35 °F 1986
Lowest High Temperatures in Boise on September 22
Rank Temperature Year
1 52 °F 2017
2 54 °F 1945
3 57 °F 2000
4 59 °F 1977
5 60 °F 1996
5 60 °F 1961
5 60 °F 1913
8 61 °F 1968
8 61 °F 2016
10 62 °F 1984
What's the most it has ever rained in Boise on 9/22?
For the date of Sep 22, the most precipitation ever recorded in Boise history is 0.35 inches which happened in 1930.
All-Time Most Precipitation in Boise on September 22
Rank Precipitation Year
1 0.35 inches 1930
2 0.20 inches 1913
2 0.20 inches 1917
4 0.10 inches 1918
5 0.07 inches 1945
5 0.07 inches 2000
7 0.05 inches 1963
7 0.05 inches 2016
9 0.03 inches 2017
10 0.02 inches 2007
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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