Vacaville September 21 Weather Records

Daily averages and all-time records for weather in Vacaville, California for the date of September 21.
September 21 All-Time Records
1893–2024
Highest temperature 107 °F 1943
Lowest temperature 35 °F 1924
Lowest daily high 67 °F 2013
Highest daily low 67 °F 1939
Most precipitation 0.23 inches 2013
September 21 Average Weather
1991–2020 1
Average high 88.3 °F
Average low 55.0 °F
Chance precipitation 3.5%
Vacaville September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 82 53 0.00 n/a
2022 81 56 0.02 n/a
2021 94 54 0.00 n/a
2020 91 53 0.00 n/a
2019 90 51 0.00 n/a
2018 95 49 0.00 n/a
2017 74 50 0.00 n/a
2016 82 54 0.00 n/a
2015 103 56 0.00 n/a
2014 86 62 0.00 n/a
2013 67 53 0.23 n/a
2012 90 51 0.00 n/a
2011 100 60 0.00 n/a
2010 77 55 0.00 n/a
2009 102 62 0.00 n/a
2008 84 56 0.00 n/a
2007 81 51 0.00 n/a
2006 90 57 0.00 n/a
2005 89 57 0.00 n/a
2004 85 57 0.00 n/a
2003 100 57 0.00 n/a
2002 98 55 0.00 n/a
2001 88 52 0.00 n/a
2000 76 62 0.00 n/a
1999 93 56 0.00 n/a
1998 85 54 0.00 0.0
1997 95 58 0.00 0.0
1996 95 60 0.00 0.0
1995 98 60 0.00 0.0
1994 98 52 0.00 0.0
1993 86 58 0.00 0.0
1992 95 52 0.00 0.0
1991 95 53 0.00 0.0
1990 96 60 0.00 0.0
1989 86 55 0.00 0.0
1988 n/a n/a 0.00 0.0
1987 100 51 0.00 0.0
1986 77 43 0.00 0.0
1985 90 49 0.00 0.0
1984 85 55 0.00 0.0
1983 94 65 0.00 0.0
1982 85 51 0.00 0.0
1981 90 50 0.00 0.0
1980 n/a n/a n/a n/a
1979 95 52 0.00 0.0
1978 86 45 0.00 0.0
1977 81 51 0.00 0.0
1976 87 49 0.00 0.0
1975 91 57 0.00 0.0
1974 92 51 0.00 0.0
1973 82 46 0.00 0.0
1972 89 47 0.00 0.0
1971 88 49 0.00 0.0
1970 86 46 0.00 0.0
1969 92 48 0.00 0.0
1968 78 48 0.00 0.0
1967 95 57 0.00 0.0
1966 89 51 0.00 0.0
1965 89 40 0.00 0.0
1964 86 66 0.00 0.0
1963 85 50 0.00 0.0
1962 95 52 0.00 0.0
1961 75 53 0.00 0.0
1960 87 46 0.00 0.0
1959 83 52 0.00 0.0
1958 98 55 0.00 0.0
1957 94 49 0.00 0.0
1956 90 58 0.00 0.0
1955 91 48 0.00 0.0
1954 84 48 0.00 0.0
1953 78 56 0.00 0.0
1952 96 53 0.00 0.0
1951 96 55 0.00 0.0
1950 95 55 0.00 0.0
1949 105 54 0.00 0.0
1948 75 48 0.00 0.0
1947 103 55 0.00 0.0
1946 98 50 0.00 0.0
1945 76 54 0.00 0.0
1944 78 54 0.00 0.0
1943 107 53 0.00 0.0
1942 95 46 0.00 n/a
1941 82 49 0.00 n/a
1940 93 46 0.00 n/a
1939 104 67 0.00 n/a
1938 97 46 0.00 n/a
1937 84 50 0.00 n/a
1936 102 54 0.00 n/a
1935 82 49 0.00 n/a
1934 98 55 0.00 n/a
1933 91 45 0.00 n/a
1932 90 44 0.00 n/a
1931 94 48 0.00 n/a
1930 90 60 0.00 n/a
1929 87 45 0.00 n/a
1928 n/a n/a 0.00 n/a
1927 89 45 0.00 n/a
1926 86 40 0.00 n/a
1925 84 39 0.00 0.0
1924 88 35 n/a n/a
1923 79 48 0.03 n/a
1922 94 50 n/a n/a
1921 94 44 n/a n/a
1920 85 46 n/a n/a
1919 103 53 0.00 n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 81 56 n/a n/a
1915 88 49 n/a n/a
1914 94 62 0.00 n/a
1913 n/a n/a n/a n/a
1912 92 50 0.00 0.0
1911 94 50 0.00 0.0
1910 91 47 0.00 0.0
1909 93 52 0.00 n/a
1908 91 50 0.00 n/a
1907 87 46 0.00 n/a
1906 82 45 0.00 n/a
1905 102 50 0.00 n/a
1904 n/a n/a 0.00 n/a
1903 n/a n/a 0.00 n/a
1902 n/a n/a 0.00 n/a
1901 n/a n/a 0.00 n/a
1900 n/a n/a 0.00 n/a
1899 n/a n/a 0.00 n/a
1898 n/a n/a 0.00 n/a
1897 n/a n/a 0.00 n/a
1896 n/a n/a 0.00 n/a
1895 n/a n/a 0.00 n/a
1894 102 n/a n/a n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Vacaville on 9/21?
For the date of Sep 21, the highest temperature ever reached in Vacaville history is 107 °F which happened in 1943.
Highest Temperatures in Vacaville on September 21
Rank Temperature Year
1 107 °F 1943
2 105 °F 1949
3 104 °F 1939
4 103 °F 2015
4 103 °F 1947
4 103 °F 1919
7 102 °F 1894
7 102 °F 2009
7 102 °F 1905
7 102 °F 1936
What's the all-time low for Vacaville on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Vacaville history is 35 °F which happened in 1924.
Lowest Temperatures in Vacaville on September 21
Rank Temperature Year
1 35 °F 1924
2 39 °F 1925
3 40 °F 1965
3 40 °F 1926
5 43 °F 1986
6 44 °F 1921
6 44 °F 1932
8 45 °F 1929
8 45 °F 1927
8 45 °F 1978
8 45 °F 1933
8 45 °F 1906
Lowest High Temperatures in Vacaville on September 21
Rank Temperature Year
1 67 °F 2013
2 74 °F 2017
3 75 °F 1961
3 75 °F 1948
5 76 °F 2000
5 76 °F 1945
7 77 °F 1986
7 77 °F 2010
9 78 °F 1968
9 78 °F 1953
9 78 °F 1944
What's the most it has ever rained in Vacaville on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Vacaville history is 0.23 inches which happened in 2013.
All-Time Most Precipitation in Vacaville on September 21
Rank Precipitation Year
1 0.23 inches 2013
2 0.03 inches 1923
3 0.02 inches 2022
Weather Station Details
Years Station Coordinates
1999–2024 Vacaville Nut Tree Airport location
1893–1998 Vacaville location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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