Boise September 27 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of September 27.
September 27 All-Time Records
1911–2024
Highest temperature 95 °F 2022
Lowest temperature 28 °F 1926
Lowest daily high 54 °F 1972
Highest daily low 60 °F 2010
Most precipitation 0.39 inches 1986
Most snow none -
September 27 Average Weather
1991–2020 1
Average high 74.4 °F
Average low 48.1 °F
Chance precipitation 15.2%
Chance snow 0.1%
Boise September 27 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 73 51 0.00 0.0
2022 95 54 0.00 0.0
2021 86 54 0.00 0.0
2020 69 41 0.00 0.0
2019 71 50 0.00 0.0
2018 82 48 0.00 0.0
2017 75 47 0.00 0.0
2016 86 54 0.00 0.0
2015 78 50 0.00 0.0
2014 66 54 0.14 0.0
2013 61 39 0.00 0.0
2012 85 53 0.00 0.0
2011 86 54 0.00 0.0
2010 88 60 0.00 0.0
2009 80 49 0.00 0.0
2008 79 51 0.00 0.0
2007 83 47 0.00 0.0
2006 81 48 0.00 0.0
2005 75 52 0.00 0.0
2004 82 54 0.00 0.0
2003 84 53 0.00 0.0
2002 70 49 0.00 0.0
2001 81 51 0.00 0.0
2000 79 47 0.00 0.0
1999 59 33 0.00 0.0
1998 72 48 0.00 0.0
1997 66 47 0.00 0.0
1996 72 43 0.00 0.0
1995 75 49 0.00 0.0
1994 87 51 0.00 0.0
1993 81 44 0.00 0.0
1992 75 40 0.00 0.0
1991 87 55 0.00 0.0
1990 79 53 0.00 0.0
1989 79 51 0.00 0.0
1988 67 46 0.10 0.0
1987 69 33 0.00 0.0
1986 55 40 0.39 0.0
1985 69 37 0.00 0.0
1984 63 34 0.00 0.0
1983 72 47 0.00 0.0
1982 64 44 0.00 0.0
1981 83 50 0.00 0.0
1980 88 48 0.00 0.0
1979 81 49 0.00 0.0
1978 81 53 0.00 0.0
1977 75 49 0.00 0.0
1976 81 52 0.00 0.0
1975 79 45 0.00 0.0
1974 65 41 0.00 0.0
1973 73 47 0.00 0.0
1972 54 38 0.27 0.0
1971 57 36 0.00 0.0
1970 78 43 0.00 0.0
1969 84 51 0.00 0.0
1968 77 52 0.00 0.0
1967 88 57 0.00 0.0
1966 70 40 0.00 0.0
1965 64 44 0.00 0.0
1964 73 43 0.00 0.0
1963 88 56 0.00 0.0
1962 76 59 0.10 0.0
1961 74 36 0.00 0.0
1960 89 51 0.00 0.0
1959 56 39 0.02 0.0
1958 78 48 0.00 0.0
1957 92 59 0.00 0.0
1956 74 46 0.00 0.0
1955 82 38 0.00 0.0
1954 84 49 0.00 0.0
1953 75 44 0.00 0.0
1952 79 52 0.00 0.0
1951 78 39 0.00 0.0
1950 59 32 0.00 0.0
1949 85 59 0.02 0.0
1948 71 44 0.00 0.0
1947 81 50 0.00 0.0
1946 66 34 0.00 0.0
1945 65 32 0.00 0.0
1944 76 45 0.00 0.0
1943 77 49 0.00 0.0
1942 83 49 0.00 0.0
1941 62 39 0.00 0.0
1940 76 49 0.00 0.0
1939 83 43 0.00 0.0
1938 82 41 0.00 0.0
1937 75 39 0.00 0.0
1936 76 35 0.00 0.0
1935 73 36 0.00 0.0
1934 70 37 0.00 0.0
1933 71 37 0.00 0.0
1932 81 40 0.00 n/a
1931 86 45 0.00 n/a
1930 82 35 0.00 n/a
1929 60 35 0.16 n/a
1928 82 41 0.00 n/a
1927 84 46 0.00 0.0
1926 82 28 0.00 0.0
1925 69 41 0.00 0.0
1924 76 31 0.00 0.0
1923 71 38 0.07 0.0
1922 72 49 0.01 0.0
1921 79 45 0.00 0.0
1920 71 37 0.00 0.0
1919 76 40 0.00 0.0
1918 81 44 0.00 0.0
1917 74 46 0.00 0.0
1916 68 39 0.00 0.0
1915 66 44 0.00 0.0
1914 70 42 0.00 0.0
1913 80 38 0.00 0.0
1912 77 35 0.00 0.0
1911 68 31 0.00 0.0
What's the all-time high for Boise on 9/27?
For the date of Sep 27, the highest temperature ever reached in Boise history is 95 °F which happened in 2022.
Highest Temperatures in Boise on September 27
Rank Temperature Year
1 95 °F 2022
2 92 °F 1957
3 89 °F 1960
4 88 °F 2010
4 88 °F 1967
4 88 °F 1980
4 88 °F 1963
8 87 °F 1994
8 87 °F 1991
10 86 °F 1931
10 86 °F 2016
10 86 °F 2021
10 86 °F 2011
What's the all-time low for Boise on 9/27?
For the date of Sep 27, the lowest temperature ever reached in Boise history is 28 °F which happened in 1926.
Lowest Temperatures in Boise on September 27
Rank Temperature Year
1 28 °F 1926
2 31 °F 1924
2 31 °F 1911
4 32 °F 1945
4 32 °F 1950
6 33 °F 1987
6 33 °F 1999
8 34 °F 1946
8 34 °F 1984
10 35 °F 1929
10 35 °F 1912
10 35 °F 1936
10 35 °F 1930
Lowest High Temperatures in Boise on September 27
Rank Temperature Year
1 54 °F 1972
2 55 °F 1986
3 56 °F 1959
4 57 °F 1971
5 59 °F 1950
5 59 °F 1999
7 60 °F 1929
8 61 °F 2013
9 62 °F 1941
10 63 °F 1984
What's the most it has ever rained in Boise on 9/27?
For the date of Sep 27, the most precipitation ever recorded in Boise history is 0.39 inches which happened in 1986.
All-Time Most Precipitation in Boise on September 27
Rank Precipitation Year
1 0.39 inches 1986
2 0.27 inches 1972
3 0.16 inches 1929
4 0.14 inches 2014
5 0.10 inches 1962
5 0.10 inches 1988
7 0.07 inches 1923
8 0.02 inches 1949
8 0.02 inches 1959
10 0.01 inches 1922
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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