Boise September 4 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of September 4.
September 4 All-Time Records
1911–2024
Highest temperature 105 °F 1924
Lowest temperature 36 °F 1933
Lowest daily high 51 °F 1912
Highest daily low 67 °F 2017
Most precipitation 0.32 inches 1912
Most snow none -
September 4 Average Weather
1991–2020 1
Average high 84.4 °F
Average low 55.7 °F
Chance precipitation 11.3%
Chance snow 0%
Boise September 4 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 59 0.02 0.0
2022 98 60 0.00 0.0
2021 90 51 0.00 0.0
2020 102 63 0.00 0.0
2019 96 62 0.00 0.0
2018 88 54 0.00 0.0
2017 98 67 0.00 0.0
2016 65 51 0.01 0.0
2015 74 49 0.00 0.0
2014 76 44 0.00 0.0
2013 93 63 0.23 0.0
2012 86 53 0.00 0.0
2011 89 55 0.00 0.0
2010 89 60 0.00 0.0
2009 91 56 0.00 0.0
2008 78 50 0.00 0.0
2007 87 57 0.01 0.0
2006 95 63 0.00 0.0
2005 81 54 0.00 0.0
2004 76 46 0.00 0.0
2003 92 63 0.00 0.0
2002 93 56 0.00 0.0
2001 90 62 0.00 0.0
2000 73 47 0.23 0.0
1999 78 48 0.00 0.0
1998 99 67 0.00 0.0
1997 90 57 0.00 0.0
1996 84 53 0.00 0.0
1995 90 66 0.00 0.0
1994 73 44 0.00 0.0
1993 90 60 0.00 0.0
1992 73 48 0.01 0.0
1991 90 53 0.00 0.0
1990 98 58 0.00 0.0
1989 85 48 0.00 0.0
1988 88 54 0.00 0.0
1987 77 41 0.00 0.0
1986 90 55 0.00 0.0
1985 82 48 0.00 0.0
1984 95 56 0.00 0.0
1983 80 46 0.00 0.0
1982 77 52 0.00 0.0
1981 82 50 0.00 0.0
1980 84 45 0.00 0.0
1979 79 48 0.00 0.0
1978 93 63 0.02 0.0
1977 93 56 0.00 0.0
1976 92 55 0.00 0.0
1975 81 43 0.00 0.0
1974 90 55 0.00 0.0
1973 88 49 0.00 0.0
1972 88 55 0.00 0.0
1971 79 47 0.00 0.0
1970 69 50 0.22 0.0
1969 73 40 0.00 0.0
1968 79 47 0.00 0.0
1967 90 65 0.00 0.0
1966 89 54 0.00 0.0
1965 72 41 0.00 0.0
1964 81 49 0.00 0.0
1963 92 60 0.00 0.0
1962 83 48 0.00 0.0
1961 80 46 0.00 0.0
1960 73 54 0.22 0.0
1959 75 50 0.05 0.0
1958 78 53 0.00 0.0
1957 86 54 0.00 0.0
1956 72 42 0.00 0.0
1955 94 59 0.00 0.0
1954 74 43 0.00 0.0
1953 81 50 0.00 0.0
1952 87 58 0.00 0.0
1951 84 50 0.00 0.0
1950 93 62 0.00 0.0
1949 87 60 0.00 0.0
1948 73 46 0.00 0.0
1947 93 60 0.00 0.0
1946 72 49 0.03 0.0
1945 88 61 0.00 0.0
1944 83 52 0.00 0.0
1943 82 49 0.00 0.0
1942 90 57 0.00 0.0
1941 76 54 0.00 0.0
1940 68 46 0.23 0.0
1939 90 48 0.00 0.0
1938 83 58 0.00 0.0
1937 78 62 0.06 0.0
1936 75 49 0.00 0.0
1935 94 48 0.00 0.0
1934 97 53 0.00 0.0
1933 84 36 0.00 0.0
1932 89 42 0.00 n/a
1931 100 50 0.00 n/a
1930 90 55 0.00 n/a
1929 75 37 0.00 n/a
1928 94 45 0.00 n/a
1927 81 55 0.00 0.0
1926 81 46 0.00 0.0
1925 82 52 0.00 0.0
1924 105 64 0.03 0.0
1923 95 57 0.00 0.0
1922 87 57 0.00 0.0
1921 n/a n/a 0.00 0.0
1920 88 47 0.00 0.0
1919 83 54 0.00 0.0
1918 82 39 0.00 0.0
1917 89 51 0.00 0.0
1916 74 40 0.00 0.0
1915 84 46 0.00 0.0
1914 83 51 0.00 0.0
1913 85 57 0.00 0.0
1912 51 44 0.32 0.0
1911 81 45 0.00 0.0
What's the all-time high for Boise on 9/4?
For the date of Sep 4, the highest temperature ever reached in Boise history is 105 °F which happened in 1924.
Highest Temperatures in Boise on September 4
Rank Temperature Year
1 105 °F 1924
2 102 °F 2020
3 100 °F 1931
4 99 °F 1998
5 98 °F 1990
5 98 °F 2022
5 98 °F 2017
8 97 °F 1934
9 96 °F 2019
10 95 °F 1984
10 95 °F 2006
10 95 °F 1923
What's the all-time low for Boise on 9/4?
For the date of Sep 4, the lowest temperature ever reached in Boise history is 36 °F which happened in 1933.
Lowest Temperatures in Boise on September 4
Rank Temperature Year
1 36 °F 1933
2 37 °F 1929
3 39 °F 1918
4 40 °F 1969
4 40 °F 1916
6 41 °F 1987
6 41 °F 1965
8 42 °F 1956
8 42 °F 1932
10 43 °F 1954
10 43 °F 1975
Lowest High Temperatures in Boise on September 4
Rank Temperature Year
1 51 °F 1912
2 65 °F 2016
3 68 °F 1940
4 69 °F 1970
5 72 °F 1965
5 72 °F 1956
5 72 °F 1946
8 73 °F 1960
8 73 °F 1969
8 73 °F 2000
8 73 °F 1948
8 73 °F 1992
8 73 °F 1994
What's the most it has ever rained in Boise on 9/4?
For the date of Sep 4, the most precipitation ever recorded in Boise history is 0.32 inches which happened in 1912.
All-Time Most Precipitation in Boise on September 4
Rank Precipitation Year
1 0.32 inches 1912
2 0.23 inches 1940
2 0.23 inches 2013
2 0.23 inches 2000
5 0.22 inches 1960
5 0.22 inches 1970
7 0.06 inches 1937
8 0.05 inches 1959
9 0.03 inches 1946
9 0.03 inches 1924
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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