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Boise September 25 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of September 25.
September 25 All-Time Records
1940–2022
Highest temperature 95 °F 2015
Lowest temperature 28 °F 1972
Lowest daily high 54 °F 2013
Highest daily low 63 °F 2011
Most precipitation 0.5 inches 1998
Most snow none -
September 25 Average Weather
1991–2020 1
Average high 75.6 °F
Average low 48.9 °F
Chance precipitation 14.3%
Chance snow 0%
Boise September 25 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2021 86 53 0.00 0.0
2020 75 51 0.02 0.0
2019 72 48 0.00 0.0
2018 69 41 0.00 0.0
2017 67 40 0.00 0.0
2016 75 44 0.00 0.0
2015 95 56 0.00 0.0
2014 79 51 0.01 0.0
2013 54 44 0.30 0.0
2012 79 56 0.00 0.0
2011 89 63 0.00 0.0
2010 92 52 0.00 0.0
2009 91 56 0.00 0.0
2008 81 56 0.00 0.0
2007 69 46 0.00 0.0
2006 77 47 0.00 0.0
2005 64 35 0.00 0.0
2004 86 54 0.00 0.0
2003 85 50 0.00 0.0
2002 78 46 0.00 0.0
2001 81 56 0.02 0.0
2000 74 43 0.00 0.0
1999 71 48 0.00 0.0
1998 61 52 0.51 0.0
1997 87 60 0.00 0.0
1996 67 42 0.00 0.0
1995 74 54 0.00 0.0
1994 88 51 0.00 0.0
1993 77 49 0.00 0.0
1992 65 44 0.00 0.0
1991 88 48 0.00 0.0
1990 87 59 0.00 0.0
1989 92 56 0.01 0.0
1988 80 53 0.00 0.0
1987 79 55 0.00 0.0
1986 55 37 0.14 0.0
1985 71 39 0.00 0.0
1984 59 34 0.00 0.0
1983 84 50 0.00 0.0
1982 81 55 0.49 0.0
1981 56 40 0.31 0.0
1980 76 45 0.00 0.0
1979 77 55 0.04 0.0
1978 89 49 0.00 0.0
1977 73 50 0.00 0.0
1976 75 47 0.00 0.0
1975 80 50 0.00 0.0
1974 85 49 0.00 0.0
1973 62 46 0.04 0.0
1972 56 28 0.00 0.0
1971 63 41 0.00 0.0
1970 63 30 0.00 0.0
1969 81 49 0.00 0.0
1968 78 46 0.00 0.0
1967 84 54 0.00 0.0
1966 73 47 0.00 0.0
1965 76 44 0.00 0.0
1964 73 47 0.00 0.0
1963 95 51 0.00 0.0
1962 86 56 0.00 0.0
1961 68 35 0.00 0.0
1960 81 52 0.00 0.0
1959 66 49 0.05 0.0
1958 71 46 0.00 0.0
1957 83 51 0.00 0.0
1956 85 47 0.00 0.0
1955 62 41 0.00 0.0
1954 80 50 0.00 0.0
1953 74 44 0.00 0.0
1952 87 54 0.00 0.0
1951 69 47 0.01 0.0
1950 76 55 0.03 0.0
1949 86 57 0.00 0.0
1948 54 40 0.08 0.0
1947 87 58 0.00 0.0
1946 82 50 0.00 0.0
1945 65 41 0.00 0.0
1944 83 48 0.00 0.0
1943 86 53 0.00 0.0
1942 81 49 0.00 0.0
1941 80 49 0.00 0.0
1940 75 55 0.00 0.0
All-Time Highest Temperatures in Boise on September 25
Rank Temperature Year
1 95 °F 2015
1 95 °F 1963
3 92 °F 2010
3 92 °F 1989
5 91 °F 2009
6 89 °F 2011
6 89 °F 1978
8 88 °F 1994
8 88 °F 1991
10 87 °F 1952
10 87 °F 1997
10 87 °F 1947
10 87 °F 1990
All-Time Lowest Temperatures in Boise on September 25
Rank Temperature Year
1 28 °F 1972
2 30 °F 1970
3 34 °F 1984
4 35 °F 2005
4 35 °F 1961
6 37 °F 1986
7 39 °F 1985
8 40 °F 1981
8 40 °F 2017
8 40 °F 1948
Lowest High Temperatures in Boise on September 25
Rank Temperature Year
1 54 °F 2013
1 54 °F 1948
3 55 °F 1986
4 56 °F 1981
4 56 °F 1972
6 59 °F 1984
7 61 °F 1998
8 62 °F 1955
8 62 °F 1973
10 63 °F 1970
10 63 °F 1971
All-Time Most Precipitation in Boise on September 25
Rank Precipitation Year
1 0.5 inches 1998
2 0.5 inches 1982
3 0.3 inches 1981
4 0.3 inches 2013
5 0.1 inches 1986
6 0.1 inches 1948
7 0.1 inches 1959
8 0.0 inches 1979
8 0.0 inches 1973
10 0.0 inches 1950
Weather Station Details
Years Station Coordinates
1940–2022 location