Boise September 28 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of September 28.
September 28 All-Time Records
1940–2022
Highest temperature 95 °F 1963
Lowest temperature 31 °F 1999
Lowest daily high 54 °F 1940
Highest daily low 58 °F 2022
Most precipitation 0.3 inches 2014
Most snow none -
September 28 Average Weather
1991–2020 1
Average high 73.9 °F
Average low 47.6 °F
Chance precipitation 15.1%
Chance snow 0.1%
Boise September 28 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 91 58 0.00 0.0
2021 66 45 0.17 0.0
2020 74 45 0.00 0.0
2019 55 44 0.01 0.0
2018 80 52 0.00 0.0
2017 78 48 0.00 0.0
2016 93 54 0.00 0.0
2015 80 47 0.00 0.0
2014 64 54 0.34 0.0
2013 72 53 0.01 0.0
2012 82 56 0.00 0.0
2011 75 53 0.00 0.0
2010 89 56 0.00 0.0
2009 83 55 0.00 0.0
2008 79 49 0.00 0.0
2007 76 41 0.05 0.0
2006 82 51 0.00 0.0
2005 74 41 0.00 0.0
2004 83 58 0.00 0.0
2003 87 57 0.00 0.0
2002 72 43 0.00 0.0
2001 74 53 0.00 0.0
2000 79 54 0.00 0.0
1999 64 31 0.00 0.0
1998 77 51 0.00 0.0
1997 71 44 0.00 0.0
1996 82 51 0.00 0.0
1995 71 50 0.00 0.0
1994 87 52 0.00 0.0
1993 81 44 0.00 0.0
1992 86 47 0.00 0.0
1991 74 57 0.09 0.0
1990 82 49 0.00 0.0
1989 84 52 0.00 0.0
1988 67 34 0.00 0.0
1987 73 38 0.00 0.0
1986 57 38 0.00 0.0
1985 57 34 0.00 0.0
1984 64 32 0.00 0.0
1983 65 32 0.00 0.0
1982 59 42 0.06 0.0
1981 64 50 0.03 0.0
1980 76 50 0.00 0.0
1979 80 50 0.00 0.0
1978 76 45 0.00 0.0
1977 75 51 0.00 0.0
1976 78 48 0.00 0.0
1975 77 45 0.00 0.0
1974 76 42 0.00 0.0
1973 76 48 0.00 0.0
1972 61 39 0.00 0.0
1971 60 40 0.01 0.0
1970 81 47 0.00 0.0
1969 82 49 0.00 0.0
1968 74 43 0.00 0.0
1967 87 53 0.00 0.0
1966 77 44 0.00 0.0
1965 63 39 0.01 0.0
1964 73 40 0.00 0.0
1963 95 57 0.00 0.0
1962 69 47 0.25 0.0
1961 72 47 0.00 0.0
1960 85 53 0.00 0.0
1959 59 35 0.00 0.0
1958 80 47 0.00 0.0
1957 75 46 0.00 0.0
1956 64 45 0.02 0.0
1955 67 39 0.00 0.0
1954 61 38 0.00 0.0
1953 70 45 0.00 0.0
1952 76 44 0.00 0.0
1951 78 51 0.00 0.0
1950 58 34 0.00 0.0
1949 78 50 0.12 0.0
1948 81 45 0.00 0.0
1947 74 49 0.00 0.0
1946 72 33 0.00 0.0
1945 66 33 0.00 0.0
1944 81 50 0.00 0.0
1943 79 47 0.00 0.0
1942 77 52 0.00 0.0
1941 71 36 0.00 0.0
1940 54 38 0.08 0.0
All-Time Highest Temperatures in Boise on September 28
Rank Temperature Year
1 95 °F 1963
2 93 °F 2016
3 91 °F 2022
4 89 °F 2010
5 87 °F 1967
5 87 °F 1994
5 87 °F 2003
8 86 °F 1992
9 85 °F 1960
10 84 °F 1989
All-Time Lowest Temperatures in Boise on September 28
Rank Temperature Year
1 31 °F 1999
2 32 °F 1983
2 32 °F 1984
4 33 °F 1945
4 33 °F 1946
6 34 °F 1988
6 34 °F 1950
6 34 °F 1985
9 35 °F 1959
10 36 °F 1941
Lowest High Temperatures in Boise on September 28
Rank Temperature Year
1 54 °F 1940
2 55 °F 2019
3 57 °F 1985
3 57 °F 1986
5 58 °F 1950
6 59 °F 1982
6 59 °F 1959
8 60 °F 1971
9 61 °F 1972
9 61 °F 1954
All-Time Most Precipitation in Boise on September 28
Rank Precipitation Year
1 0.3 inches 2014
2 0.3 inches 1962
3 0.2 inches 2021
4 0.1 inches 1949
5 0.1 inches 1991
6 0.1 inches 1940
7 0.1 inches 1982
8 0.1 inches 2007
9 0.0 inches 1981
10 0.0 inches 1956
Weather Station Details
Years Station Coordinates
1940–2022 location