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
1911–2024
Highest temperature 95 °F 1963
Lowest temperature 29 °F 1929
Lowest daily high 54 °F 1940
Highest daily low 58 °F 2022
Most precipitation 0.51 inches 1927
Most snow none -
September 28 Average Weather
1991–2020 1
Average high 73.9 °F
Average low 47.6 °F
Chance precipitation 14.9%
Chance snow 0.1%
Boise September 28 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 69 42 0.00 0.0
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
1939 69 46 0.00 0.0
1938 76 57 0.03 0.0
1937 73 40 0.00 0.0
1936 78 35 0.00 0.0
1935 78 34 0.00 0.0
1934 74 35 0.00 0.0
1933 84 41 0.00 0.0
1932 83 44 0.00 n/a
1931 88 45 0.00 n/a
1930 85 47 0.00 n/a
1929 66 29 0.00 n/a
1928 82 41 0.00 n/a
1927 71 48 0.51 0.0
1926 73 42 0.00 0.0
1925 61 43 0.22 0.0
1924 83 36 0.00 0.0
1923 73 41 0.00 0.0
1922 66 29 0.00 0.0
1921 66 45 0.00 0.0
1920 76 41 0.00 0.0
1919 66 36 0.00 0.0
1918 88 54 0.00 0.0
1917 77 42 0.00 0.0
1916 73 39 0.00 0.0
1915 69 31 0.00 0.0
1914 75 31 0.00 0.0
1913 83 38 0.00 0.0
1912 76 39 0.00 0.0
1911 67 34 0.00 0.0
What's the all-time high for Boise on 9/28?
For the date of Sep 28, the highest temperature ever reached in Boise history is 95 °F which happened in 1963.
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 88 °F 1918
5 88 °F 1931
7 87 °F 2003
7 87 °F 1994
7 87 °F 1967
10 86 °F 1992
What's the all-time low for Boise on 9/28?
For the date of Sep 28, the lowest temperature ever reached in Boise history is 29 °F which has happened 2 times, most recently in 1929.
Lowest Temperatures in Boise on September 28
Rank Temperature Year
1 29 °F 1929
1 29 °F 1922
3 31 °F 1915
3 31 °F 1999
3 31 °F 1914
6 32 °F 1984
6 32 °F 1983
8 33 °F 1946
8 33 °F 1945
10 34 °F 1950
10 34 °F 1985
10 34 °F 1935
10 34 °F 1911
10 34 °F 1988
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 1959
6 59 °F 1982
8 60 °F 1971
9 61 °F 1925
9 61 °F 1972
9 61 °F 1954
What's the most it has ever rained in Boise on 9/28?
For the date of Sep 28, the most precipitation ever recorded in Boise history is 0.51 inches which happened in 1927.
All-Time Most Precipitation in Boise on September 28
Rank Precipitation Year
1 0.51 inches 1927
2 0.34 inches 2014
3 0.25 inches 1962
4 0.22 inches 1925
5 0.17 inches 2021
6 0.12 inches 1949
7 0.09 inches 1991
8 0.08 inches 1940
9 0.06 inches 1982
10 0.05 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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