Kennewick September 12 Weather Records

Daily averages and all-time records for weather in Kennewick, Washington for the date of September 12.
September 12 All-Time Records
1894–2024
Highest temperature 97 °F 2011
Lowest temperature 29 °F 1921
Lowest daily high 60 °F 1906
Highest daily low 65 °F 1937
Most precipitation 0.42 inches 1895
September 12 Average Weather
1991–2020 1
Average high 81.9 °F
Average low 49.9 °F
Chance precipitation 9.4%
Kennewick September 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 86 63 0.00 n/a
2022 80 54 0.00 n/a
2021 84 52 0.00 n/a
2020 80 54 0.00 n/a
2019 88 49 0.00 n/a
2018 76 50 0.00 0.0
2017 94 47 0.00 0.0
2016 78 48 0.00 0.0
2015 95 51 0.00 0.0
2014 76 37 0.00 0.0
2013 94 56 0.00 0.0
2012 78 33 0.00 0.0
2011 97 53 0.00 n/a
2010 85 42 0.00 n/a
2009 91 48 0.00 n/a
2008 91 43 0.00 n/a
2007 91 47 0.00 n/a
2006 90 45 0.00 n/a
2005 78 49 0.00 n/a
2004 76 50 0.00 n/a
2003 76 48 0.00 n/a
2002 95 47 0.00 n/a
2001 90 52 0.00 n/a
2000 88 49 0.00 n/a
1999 84 39 0.00 n/a
1998 83 53 0.00 0.0
1997 82 59 0.00 0.0
1996 91 58 0.00 0.0
1995 90 55 0.00 0.0
1994 74 48 0.00 0.0
1993 83 54 0.00 0.0
1992 86 54 0.00 0.0
1991 85 54 0.00 0.0
1990 93 60 0.00 0.0
1989 78 45 0.00 0.0
1988 76 44 0.00 0.0
1987 91 58 0.00 0.0
1986 72 50 0.00 0.0
1985 63 52 0.12 0.0
1984 74 50 0.00 0.0
1983 76 47 0.00 0.0
1982 66 n/a 0.13 0.0
1981 90 48 0.00 0.0
1980 88 54 0.00 0.0
1979 80 49 0.00 0.0
1978 74 48 0.00 0.0
1977 83 48 0.00 0.0
1976 80 58 0.00 0.0
1975 85 52 0.00 0.0
1974 75 50 0.00 0.0
1973 90 59 0.00 0.0
1972 76 60 0.00 0.0
1971 81 47 0.00 0.0
1970 65 41 0.00 0.0
1969 91 61 0.00 0.0
1968 80 59 0.00 0.0
1967 72 46 0.00 0.0
1966 71 48 0.00 0.0
1965 76 54 0.00 n/a
1964 77 41 0.00 0.0
1963 83 61 0.00 0.0
1962 68 40 0.00 0.0
1961 77 48 0.00 0.0
1960 87 58 0.00 0.0
1959 88 52 0.00 0.0
1958 74 58 0.01 0.0
1957 87 50 0.00 0.0
1956 76 42 0.00 0.0
1955 79 46 0.00 0.0
1954 76 55 0.00 0.0
1953 93 61 0.00 0.0
1952 77 55 0.00 0.0
1951 78 41 0.00 0.0
1950 87 44 0.00 0.0
1949 74 37 0.00 0.0
1948 92 53 0.00 0.0
1947 90 46 0.00 0.0
1946 83 58 0.00 0.0
1945 88 48 0.00 0.0
1944 94 52 0.00 0.0
1943 97 55 0.00 0.0
1942 90 43 0.00 n/a
1941 73 52 0.00 n/a
1940 85 60 0.00 n/a
1939 75 46 n/a n/a
1938 90 46 0.00 n/a
1937 90 65 n/a n/a
1936 68 51 0.02 n/a
1935 79 56 n/a n/a
1934 74 53 0.04 0.0
1933 83 41 0.00 0.0
1932 77 45 n/a n/a
1931 76 56 0.00 n/a
1930 76 52 0.00 n/a
1929 92 55 n/a n/a
1928 67 50 0.37 n/a
1927 66 48 0.00 n/a
1926 76 49 0.00 n/a
1925 82 43 0.00 n/a
1924 86 43 0.00 n/a
1923 84 49 0.00 n/a
1922 95 51 0.00 n/a
1921 63 29 0.00 0.0
1920 70 61 0.27 n/a
1919 74 53 0.00 n/a
1918 84 59 0.00 n/a
1917 80 50 0.00 0.0
1916 83 48 0.00 0.0
1915 69 41 0.06 n/a
1914 69 50 0.00 0.0
1913 91 43 0.00 n/a
1912 91 45 0.00 n/a
1911 n/a 54 n/a n/a
1910 78 49 0.00 n/a
1909 n/a n/a n/a n/a
1908 94 58 0.00 n/a
1907 64 35 0.06 n/a
1906 60 52 0.01 n/a
1905 80 60 0.05 n/a
1904 83 49 0.00 0.0
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 92 58 0.00 n/a
1898 82 45 0.00 n/a
1897 81 44 0.00 n/a
1896 74 45 0.35 n/a
1895 65 52 0.42 n/a
1894 63 50 0.04 n/a
What's the all-time high for Kennewick on 9/12?
For the date of Sep 12, the highest temperature ever reached in Kennewick history is 97 °F which has happened 2 times, most recently in 2011.
Highest Temperatures in Kennewick on September 12
Rank Temperature Year
1 97 °F 2011
1 97 °F 1943
3 95 °F 1922
3 95 °F 2015
3 95 °F 2002
6 94 °F 2013
6 94 °F 1944
6 94 °F 2017
6 94 °F 1908
10 93 °F 1953
10 93 °F 1990
What's the all-time low for Kennewick on 9/12?
For the date of Sep 12, the lowest temperature ever reached in Kennewick history is 29 °F which happened in 1921.
Lowest Temperatures in Kennewick on September 12
Rank Temperature Year
1 29 °F 1921
2 33 °F 2012
3 35 °F 1907
4 37 °F 1949
4 37 °F 2014
6 39 °F 1999
7 40 °F 1962
8 41 °F 1970
8 41 °F 1933
8 41 °F 1964
8 41 °F 1915
8 41 °F 1951
Lowest High Temperatures in Kennewick on September 12
Rank Temperature Year
1 60 °F 1906
2 63 °F 1921
2 63 °F 1894
2 63 °F 1985
5 64 °F 1907
6 65 °F 1970
6 65 °F 1895
8 66 °F 1982
8 66 °F 1927
10 67 °F 1928
What's the most it has ever rained in Kennewick on 9/12?
For the date of Sep 12, the most precipitation ever recorded in Kennewick history is 0.42 inches which happened in 1895.
All-Time Most Precipitation in Kennewick on September 12
Rank Precipitation Year
1 0.42 inches 1895
2 0.37 inches 1928
3 0.35 inches 1896
4 0.27 inches 1920
5 0.13 inches 1982
6 0.12 inches 1985
7 0.06 inches 1915
7 0.06 inches 1907
9 0.05 inches 1905
10 0.04 inches 1934
10 0.04 inches 1894
Weather Station Details
Years Station Coordinates
1999–2024 Pasco Tri Cities Airport location
1894–1998 Kennewick location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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