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
1940–2022
Highest temperature 99 °F 1966
Lowest temperature 31 °F 1993
Lowest daily high 52 °F 2017
Highest daily low 62 °F 1963
Most precipitation 0.1 inches 2000
Most snow none -
September 22 Average Weather
1991–2020 1
Average high 76.8 °F
Average low 49.9 °F
Chance precipitation 14.7%
Chance snow 0%
Boise September 22 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
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
All-Time Highest Temperatures in Boise on September 22
Rank Temperature Year
1 99 °F 1966
2 95 °F 1992
3 91 °F 1987
3 91 °F 2011
5 90 °F 1963
6 89 °F 1990
7 88 °F 1949
7 88 °F 1975
9 87 °F 1999
10 86 °F 1952
10 86 °F 2015
All-Time Lowest Temperatures in Boise on September 22
Rank Temperature Year
1 31 °F 1993
1 31 °F 1955
1 31 °F 1991
4 32 °F 1961
4 32 °F 1941
6 33 °F 1946
6 33 °F 1977
8 35 °F 1986
9 36 °F 1960
9 36 °F 1995
9 36 °F 1956
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
7 61 °F 1968
7 61 °F 2016
9 62 °F 1984
10 63 °F 1959
All-Time Most Precipitation in Boise on September 22
Rank Precipitation Year
1 0.1 inches 1945
1 0.1 inches 2000
3 0.1 inches 2016
3 0.1 inches 1963
5 0.0 inches 2017
6 0.0 inches 2007
7 0.0 inches 2014
Weather Station Details
Years Station Coordinates
1940–2022 location