Seattle September 11 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of September 11.
September 11 All-Time Records
1894–2024
Highest temperature 93 °F 2013
Lowest temperature 40 °F 1952
Lowest daily high 56 °F 1965
Highest daily low 61 °F 2013
Most precipitation 1.41 inches 1907
Most snow none -
September 11 Average Weather
1991–2020 1
Average high 71.7 °F
Average low 53.9 °F
Chance precipitation 27.4%
Chance snow 0%
Seattle September 11 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 73 58 0.00 0.0
2022 72 60 0.00 0.0
2021 72 56 0.00 0.0
2020 73 53 0.00 0.0
2019 73 56 0.00 0.0
2018 67 56 0.00 0.0
2017 80 52 0.00 0.0
2016 70 55 0.00 0.0
2015 81 59 0.00 0.0
2014 76 55 0.00 0.0
2013 93 61 0.00 0.0
2012 68 48 0.00 0.0
2011 85 59 0.00 0.0
2010 65 53 0.00 0.0
2009 87 56 0.00 0.0
2008 76 53 0.00 n/a
2007 84 55 0.00 n/a
2006 78 52 0.00 n/a
2005 66 52 0.01 n/a
2004 68 58 0.12 n/a
2003 66 54 0.14 n/a
2002 76 55 0.00 n/a
2001 75 53 0.00 n/a
2000 67 50 0.00 n/a
1999 73 51 0.00 n/a
1998 76 52 0.00 n/a
1997 65 54 0.01 n/a
1996 76 55 0.00 0.0
1995 67 55 0.00 0.0
1994 68 54 0.00 0.0
1993 67 50 0.00 0.0
1992 69 53 0.00 0.0
1991 69 51 0.00 0.0
1990 64 51 0.00 0.0
1989 82 54 0.00 0.0
1988 74 45 0.00 0.0
1987 61 55 0.00 0.0
1986 67 46 0.00 0.0
1985 69 51 0.00 0.0
1984 63 51 0.00 0.0
1983 70 55 0.00 0.0
1982 59 51 0.08 0.0
1981 75 52 0.00 0.0
1980 72 52 0.00 0.0
1979 70 52 0.00 0.0
1978 69 54 0.02 0.0
1977 72 49 0.00 0.0
1976 66 52 0.01 0.0
1975 83 56 0.00 0.0
1974 71 46 0.00 0.0
1973 70 56 0.00 0.0
1972 66 45 0.00 0.0
1971 67 54 0.00 0.0
1970 66 52 0.00 0.0
1969 81 56 0.00 0.0
1968 64 56 0.16 0.0
1967 64 53 0.20 0.0
1966 58 51 0.25 0.0
1965 56 52 0.00 0.0
1964 76 52 0.00 0.0
1963 78 59 0.00 0.0
1962 65 46 0.00 0.0
1961 76 48 0.00 0.0
1960 82 53 0.00 0.0
1959 65 54 0.00 0.0
1958 72 54 0.00 0.0
1957 82 52 0.00 0.0
1956 67 52 0.58 0.0
1955 68 51 0.00 0.0
1954 66 52 0.00 0.0
1953 80 50 0.07 0.0
1952 67 40 0.00 0.0
1951 67 48 0.00 0.0
1950 77 47 0.00 0.0
1949 68 45 0.00 0.0
1948 76 54 0.00 0.0
1947 76 53 0.00 0.0
1946 71 58 0.00 0.0
1945 76 58 0.00 0.0
1944 73 56 0.00 0.0
1943 67 56 0.00 0.0
1942 73 52 0.00 0.0
1941 68 52 0.00 0.0
1940 76 60 0.00 0.0
1939 66 52 0.06 0.0
1938 78 53 0.00 0.0
1937 77 56 0.00 0.0
1936 66 46 0.25 0.0
1935 70 54 0.00 0.0
1934 63 54 0.05 0.0
1933 68 52 0.00 0.0
1932 64 55 0.00 0.0
1931 60 55 0.12 0.0
1930 63 53 0.03 0.0
1929 74 57 0.00 0.0
1928 57 52 0.09 0.0
1927 61 52 0.08 0.0
1926 73 54 0.00 0.0
1925 68 57 0.00 0.0
1924 74 50 0.00 0.0
1923 80 54 0.00 0.0
1922 78 60 0.00 0.0
1921 64 49 0.00 0.0
1920 63 53 0.35 0.0
1919 64 54 1.32 0.0
1918 71 49 0.00 0.0
1917 68 55 0.01 0.0
1916 71 51 0.00 0.0
1915 68 52 0.00 0.0
1914 56 47 0.01 0.0
1913 68 52 0.00 0.0
1912 77 52 0.00 0.0
1911 68 51 0.00 0.0
1910 59 51 0.00 0.0
1909 64 48 0.00 0.0
1908 71 56 0.00 0.0
1907 58 49 1.41 0.0
1906 64 44 0.00 0.0
1905 68 55 0.00 0.0
1904 69 46 0.00 0.0
1903 56 50 0.03 0.0
1902 80 58 0.00 0.0
1901 72 49 0.00 0.0
1900 79 55 0.00 0.0
1899 79 56 0.00 0.0
1898 63 59 0.00 0.0
1897 63 48 0.00 0.0
1896 59 54 0.00 0.0
1895 64 45 0.09 0.0
1894 59 54 0.00 0.0
What's the all-time high for Seattle on 9/11?
For the date of Sep 11, the highest temperature ever reached in Seattle history is 93 °F which happened in 2013.
Highest Temperatures in Seattle on September 11
Rank Temperature Year
1 93 °F 2013
2 87 °F 2009
3 85 °F 2011
4 84 °F 2007
5 83 °F 1975
6 82 °F 1960
6 82 °F 1957
6 82 °F 1989
9 81 °F 1969
9 81 °F 2015
What's the all-time low for Seattle on 9/11?
For the date of Sep 11, the lowest temperature ever reached in Seattle history is 40 °F which happened in 1952.
Lowest Temperatures in Seattle on September 11
Rank Temperature Year
1 40 °F 1952
2 44 °F 1906
3 45 °F 1988
3 45 °F 1949
3 45 °F 1972
3 45 °F 1895
7 46 °F 1986
7 46 °F 1936
7 46 °F 1962
7 46 °F 1904
7 46 °F 1974
Lowest High Temperatures in Seattle on September 11
Rank Temperature Year
1 56 °F 1965
1 56 °F 1903
1 56 °F 1914
4 57 °F 1928
5 58 °F 1907
5 58 °F 1966
7 59 °F 1982
7 59 °F 1894
7 59 °F 1896
7 59 °F 1910
What's the most it has ever rained in Seattle on 9/11?
For the date of Sep 11, the most precipitation ever recorded in Seattle history is 1.41 inches which happened in 1907.
All-Time Most Precipitation in Seattle on September 11
Rank Precipitation Year
1 1.41 inches 1907
2 1.32 inches 1919
3 0.58 inches 1956
4 0.35 inches 1920
5 0.25 inches 1966
5 0.25 inches 1936
7 0.20 inches 1967
8 0.16 inches 1968
9 0.14 inches 2003
10 0.12 inches 1931
10 0.12 inches 2004
Weather Station Details
Years Station Coordinates
1948–2024 Seattle Tacoma International Airport location
1894–1947 University of Washington location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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