Washington D.C. September 30 Weather Records

Daily averages and all-time records for weather in Washington D.C. for the date of September 30.
September 30 All-Time Records
1851–2024
Highest temperature 91 °F 1986
Lowest temperature 38 °F 1942
Lowest daily high 55 °F 1928
Highest daily low 73 °F 1881
Most precipitation 4.66 inches 2010
Most snow none -
September 30 Average Weather
1991–2020 1
Average high 75.0 °F
Average low 58.2 °F
Chance precipitation 28.5%
Chance snow 0%
Washington D.C. September 30 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 76 65 0.00 0.0
2022 64 56 0.32 0.0
2021 76 54 0.00 0.0
2020 71 55 0.10 0.0
2019 73 68 0.14 0.0
2018 76 60 0.00 0.0
2017 70 57 0.00 0.0
2016 66 62 0.11 0.0
2015 78 63 0.00 0.0
2014 79 67 0.00 0.0
2013 76 56 0.00 0.0
2012 74 54 0.00 0.0
2011 76 61 0.00 0.0
2010 81 66 4.66 0.0
2009 70 54 0.08 0.0
2008 75 61 0.44 0.0
2007 79 55 0.00 0.0
2006 68 50 0.01 0.0
2005 70 50 0.00 0.0
2004 76 61 0.00 0.0
2003 66 49 0.00 0.0
2002 76 65 0.00 0.0
2001 62 50 0.03 0.0
2000 68 48 0.00 0.0
1999 68 53 0.73 0.0
1998 85 68 0.03 0.0
1997 77 62 0.00 0.0
1996 74 52 0.00 0.0
1995 73 53 0.00 0.0
1994 73 52 0.00 0.0
1993 59 46 0.04 0.0
1992 62 44 0.00 0.0
1991 71 54 0.00 0.0
1990 81 60 0.06 0.0
1989 70 60 0.00 0.0
1988 74 59 0.00 0.0
1987 75 61 0.37 0.0
1986 91 70 0.00 0.0
1985 76 58 0.00 0.0
1984 67 52 0.31 0.0
1983 68 58 0.56 0.0
1982 69 61 0.00 0.0
1981 71 61 0.00 0.0
1980 74 62 0.00 0.0
1979 74 68 0.17 0.0
1978 75 52 0.00 0.0
1977 80 56 0.00 0.0
1976 64 58 0.64 0.0
1975 78 54 0.00 0.0
1974 72 53 0.00 0.0
1973 76 62 0.00 0.0
1972 73 50 0.38 0.0
1971 77 64 0.00 0.0
1970 70 48 0.00 0.0
1969 73 48 0.00 0.0
1968 79 50 0.00 0.0
1967 68 49 0.00 0.0
1966 79 58 0.00 0.0
1965 78 58 0.00 0.0
1964 63 56 0.60 0.0
1963 71 48 0.00 0.0
1962 73 49 0.00 0.0
1961 74 47 0.00 0.0
1960 79 65 0.00 0.0
1959 78 72 0.82 0.0
1958 70 56 0.01 0.0
1957 64 57 0.00 0.0
1956 74 58 0.00 0.0
1955 73 64 0.00 0.0
1954 91 72 0.00 0.0
1953 86 60 0.00 0.0
1952 84 57 0.00 0.0
1951 69 46 0.00 0.0
1950 75 60 0.01 0.0
1949 69 50 0.00 0.0
1948 75 66 0.83 0.0
1947 59 45 0.00 0.0
1946 70 50 0.19 0.0
1945 59 54 0.02 0.0
1944 60 54 0.31 0.0
1943 62 53 0.21 0.0
1942 64 38 0.00 0.0
1941 70 49 0.00 0.0
1940 64 54 0.00 0.0
1939 85 66 1.27 0.0
1938 61 54 0.42 0.0
1937 72 47 0.00 0.0
1936 60 50 1.45 0.0
1935 65 41 0.00 0.0
1934 77 62 1.06 0.0
1933 79 54 0.00 0.0
1932 69 46 0.00 0.0
1931 75 49 0.00 0.0
1930 71 52 0.00 0.0
1929 69 58 0.23 0.0
1928 55 51 0.04 0.0
1927 88 66 0.00 0.0
1926 64 60 0.34 0.0
1925 62 54 0.00 0.0
1924 72 47 2.76 0.0
1923 70 54 0.00 0.0
1922 80 52 0.00 0.0
1921 84 56 0.00 0.0
1920 70 54 1.39 0.0
1919 82 52 0.00 0.0
1918 75 47 0.11 0.0
1917 67 53 0.00 0.0
1916 60 44 0.00 0.0
1915 69 43 0.00 0.0
1914 79 50 0.00 0.0
1913 81 63 0.05 0.0
1912 61 42 0.00 0.0
1911 67 50 0.00 0.0
1910 72 52 0.00 0.0
1909 71 50 0.00 0.0
1908 70 41 0.00 0.0
1907 71 57 0.00 0.0
1906 81 58 0.07 0.0
1905 86 56 0.00 0.0
1904 84 62 0.00 0.0
1903 72 42 0.00 0.0
1902 75 60 0.20 0.0
1901 80 61 0.21 0.0
1900 75 65 0.29 0.0
1899 56 41 0.02 0.0
1898 80 52 0.00 0.0
1897 83 45 0.00 0.0
1896 73 59 0.16 0.0
1895 59 45 0.16 0.0
1894 80 65 0.00 0.0
1893 64 42 0.00 0.0
1892 75 48 0.00 0.0
1891 70 55 0.00 0.0
1890 65 49 0.00 0.0
1889 66 60 0.02 0.0
1888 59 39 0.00 0.0
1887 81 68 0.00 0.0
1886 71 48 0.00 0.0
1885 78 54 0.00 0.0
1884 79 69 0.04 0.0
1883 83 62 0.02 n/a
1882 75 50 0.00 n/a
1881 89 73 0.00 n/a
1880 62 46 0.00 n/a
1879 81 48 0.00 n/a
1878 70 58 0.00 n/a
1877 75 58 0.00 n/a
1876 60 49 0.53 n/a
1875 77 58 0.00 n/a
1874 62 52 0.00 n/a
1873 76 51 0.08 n/a
1872 72 52 0.00 n/a
1871 n/a n/a 0.00 n/a
1870 n/a n/a n/a n/a
1869 n/a n/a n/a n/a
1868 n/a n/a n/a n/a
1867 n/a n/a n/a n/a
1866 n/a n/a n/a n/a
1865 n/a n/a n/a n/a
1864 n/a n/a n/a n/a
1863 n/a n/a n/a n/a
1862 n/a n/a n/a n/a
1861 n/a n/a n/a n/a
1860 n/a n/a n/a n/a
1859 n/a n/a 0.00 n/a
1858 n/a n/a 0.00 n/a
1857 n/a n/a n/a n/a
1856 62 n/a 0.65 n/a
1855 n/a n/a n/a n/a
1854 n/a n/a n/a n/a
1853 n/a n/a n/a n/a
1852 n/a n/a n/a n/a
1851 68 48 n/a n/a
What's the all-time high for Washington D.C. on 9/30?
For the date of Sep 30, the highest temperature ever reached in Washington D.C. history is 91 °F which has happened 2 times, most recently in 1986.
Highest Temperatures in Washington D.C. on September 30
Rank Temperature Year
1 91 °F 1954
1 91 °F 1986
3 89 °F 1881
4 88 °F 1927
5 86 °F 1905
5 86 °F 1953
7 85 °F 1998
7 85 °F 1939
9 84 °F 1921
9 84 °F 1904
9 84 °F 1952
What's the all-time low for Washington D.C. on 9/30?
For the date of Sep 30, the lowest temperature ever reached in Washington D.C. history is 38 °F which happened in 1942.
Lowest Temperatures in Washington D.C. on September 30
Rank Temperature Year
1 38 °F 1942
2 39 °F 1888
3 41 °F 1908
3 41 °F 1935
3 41 °F 1899
6 42 °F 1912
6 42 °F 1903
6 42 °F 1893
9 43 °F 1915
10 44 °F 1916
10 44 °F 1992
Lowest High Temperatures in Washington D.C. on September 30
Rank Temperature Year
1 55 °F 1928
2 56 °F 1899
3 59 °F 1993
3 59 °F 1945
3 59 °F 1888
3 59 °F 1895
3 59 °F 1947
8 60 °F 1936
8 60 °F 1876
8 60 °F 1944
8 60 °F 1916
What's the most it has ever rained in Washington D.C. on 9/30?
For the date of Sep 30, the most precipitation ever recorded in Washington D.C. history is 4.66 inches which happened in 2010.
All-Time Most Precipitation in Washington D.C. on September 30
Rank Precipitation Year
1 4.66 inches 2010
2 2.76 inches 1924
3 1.45 inches 1936
4 1.39 inches 1920
5 1.27 inches 1939
6 1.06 inches 1934
7 0.83 inches 1948
8 0.82 inches 1959
9 0.73 inches 1999
10 0.65 inches 1856
Weather Station Details
Years Station Coordinates
1945–2024 Washington Reagan Airport location
1851–1945 Washington D.C. location