Seattle September 27 Weather Records

Daily averages and all-time records for weather in Seattle, Washington for the date of September 27.
September 27 All-Time Records
1894–2024
Highest temperature 89 °F 1967
Lowest temperature 35 °F 1972
Lowest daily high 51 °F 1972
Highest daily low 62 °F 2010
Most precipitation 1.13 inches 1940
Most snow none -
September 27 Average Weather
1991–2020 1
Average high 66.6 °F
Average low 50.8 °F
Chance precipitation 35.4%
Chance snow 0%
Seattle September 27 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 60 52 0.43 0.0
2022 76 53 0.00 0.0
2021 60 51 0.34 0.0
2020 70 53 0.00 0.0
2019 64 47 0.14 0.0
2018 73 52 0.00 0.0
2017 80 54 0.00 0.0
2016 69 54 0.02 0.0
2015 64 45 0.00 0.0
2014 69 53 0.00 0.0
2013 57 51 0.04 0.0
2012 73 50 0.00 0.0
2011 65 51 0.01 0.0
2010 71 62 0.03 0.0
2009 68 48 0.00 0.0
2008 66 51 0.00 n/a
2007 66 49 0.23 n/a
2006 80 54 0.00 n/a
2005 67 52 0.00 n/a
2004 68 52 0.00 n/a
2003 82 57 0.00 n/a
2002 68 50 0.00 n/a
2001 58 44 0.00 n/a
2000 73 48 0.00 n/a
1999 60 44 0.00 n/a
1998 73 49 0.00 n/a
1997 62 54 0.01 n/a
1996 75 49 0.00 0.0
1995 67 56 0.27 0.0
1994 78 52 0.00 0.0
1993 78 49 0.00 0.0
1992 66 45 0.00 0.0
1991 62 53 0.00 0.0
1990 73 56 0.00 0.0
1989 69 55 0.00 0.0
1988 64 51 0.02 0.0
1987 67 44 0.00 0.0
1986 56 51 0.00 0.0
1985 70 47 0.00 0.0
1984 68 48 0.00 0.0
1983 59 46 0.01 0.0
1982 59 47 0.00 0.0
1981 68 51 1.04 0.0
1980 61 52 0.00 0.0
1979 66 54 0.00 0.0
1978 70 54 0.02 0.0
1977 65 48 0.06 0.0
1976 74 56 0.00 0.0
1975 75 48 0.00 0.0
1974 65 44 0.00 0.0
1973 73 51 0.00 0.0
1972 51 35 0.00 0.0
1971 56 49 0.41 0.0
1970 85 55 0.00 0.0
1969 61 52 0.03 0.0
1968 60 49 0.00 0.0
1967 89 52 0.00 0.0
1966 67 52 0.00 0.0
1965 64 47 0.00 0.0
1964 69 48 0.00 0.0
1963 80 54 0.00 0.0
1962 64 51 0.34 0.0
1961 70 47 0.09 0.0
1960 69 49 0.00 0.0
1959 62 47 0.15 0.0
1958 69 50 0.00 0.0
1957 73 56 0.39 0.0
1956 59 47 0.00 0.0
1955 56 47 0.14 0.0
1954 58 45 0.02 0.0
1953 63 51 0.73 0.0
1952 66 50 0.00 0.0
1951 57 46 0.24 0.0
1950 60 40 0.02 0.0
1949 82 50 0.00 0.0
1948 69 44 0.06 0.0
1947 71 54 0.00 0.0
1946 61 47 0.00 0.0
1945 67 45 0.00 0.0
1944 73 55 0.00 0.0
1943 66 52 0.00 0.0
1942 58 50 0.00 0.0
1941 65 50 0.00 0.0
1940 57 54 1.13 0.0
1939 62 54 0.02 0.0
1938 74 54 0.00 0.0
1937 63 52 0.00 0.0
1936 78 53 0.00 0.0
1935 75 53 0.00 0.0
1934 60 43 0.00 0.0
1933 63 53 0.00 0.0
1932 76 53 0.00 0.0
1931 59 54 0.02 0.0
1930 61 50 0.81 0.0
1929 66 43 0.00 0.0
1928 68 51 0.00 0.0
1927 65 56 0.80 0.0
1926 62 43 0.00 0.0
1925 60 52 0.00 0.0
1924 70 47 0.00 0.0
1923 68 49 0.00 0.0
1922 58 50 0.24 0.0
1921 66 54 0.04 0.0
1920 66 54 0.00 0.0
1919 61 48 0.01 0.0
1918 79 56 0.00 0.0
1917 61 49 0.14 0.0
1916 62 46 0.00 0.0
1915 62 50 0.00 0.0
1914 61 50 0.00 0.0
1913 71 55 0.07 0.0
1912 72 50 0.00 0.0
1911 61 50 0.00 0.0
1910 60 49 0.00 0.0
1909 67 47 0.00 0.0
1908 60 50 0.00 0.0
1907 64 53 0.07 0.0
1906 62 51 0.02 0.0
1905 57 48 0.13 0.0
1904 59 54 0.04 0.0
1903 70 51 0.00 0.0
1902 59 48 0.00 0.0
1901 58 50 0.02 0.0
1900 66 43 0.00 0.0
1899 72 54 0.00 0.0
1898 61 50 0.71 0.0
1897 56 51 0.23 0.0
1896 66 42 0.00 0.0
1895 61 48 0.00 0.0
1894 56 50 0.06 0.0
What's the all-time high for Seattle on 9/27?
For the date of Sep 27, the highest temperature ever reached in Seattle history is 89 °F which happened in 1967.
Highest Temperatures in Seattle on September 27
Rank Temperature Year
1 89 °F 1967
2 85 °F 1970
3 82 °F 2003
3 82 °F 1949
5 80 °F 2017
5 80 °F 2006
5 80 °F 1963
8 79 °F 1918
9 78 °F 1993
9 78 °F 1994
9 78 °F 1936
What's the all-time low for Seattle on 9/27?
For the date of Sep 27, the lowest temperature ever reached in Seattle history is 35 °F which happened in 1972.
Lowest Temperatures in Seattle on September 27
Rank Temperature Year
1 35 °F 1972
2 40 °F 1950
3 42 °F 1896
4 43 °F 1929
4 43 °F 1900
4 43 °F 1926
4 43 °F 1934
8 44 °F 1987
8 44 °F 1974
8 44 °F 1999
8 44 °F 2001
8 44 °F 1948
Lowest High Temperatures in Seattle on September 27
Rank Temperature Year
1 51 °F 1972
2 56 °F 1971
2 56 °F 1897
2 56 °F 1894
2 56 °F 1986
2 56 °F 1955
7 57 °F 2013
7 57 °F 1905
7 57 °F 1951
7 57 °F 1940
What's the most it has ever rained in Seattle on 9/27?
For the date of Sep 27, the most precipitation ever recorded in Seattle history is 1.13 inches which happened in 1940.
All-Time Most Precipitation in Seattle on September 27
Rank Precipitation Year
1 1.13 inches 1940
2 1.04 inches 1981
3 0.81 inches 1930
4 0.80 inches 1927
5 0.73 inches 1953
6 0.71 inches 1898
7 0.43 inches 2023
8 0.41 inches 1971
9 0.39 inches 1957
10 0.34 inches 1962
10 0.34 inches 2021
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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