Vacaville September 20 Weather Records

Daily averages and all-time records for weather in Vacaville, California for the date of September 20.
September 20 All-Time Records
1893–2024
Highest temperature 105 °F 1936
Lowest temperature 40 °F 1944
Lowest daily high 69 °F 2007
Highest daily low 74 °F 1919
Most precipitation 0.04 inches 2007
September 20 Average Weather
1991–2020 1
Average high 88.7 °F
Average low 55.3 °F
Chance precipitation 3.4%
Vacaville September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 58 0.00 n/a
2022 76 59 0.00 n/a
2021 92 68 0.00 n/a
2020 92 55 0.00 n/a
2019 88 50 0.00 n/a
2018 94 50 0.00 n/a
2017 81 57 0.00 n/a
2016 93 65 0.00 n/a
2015 99 55 0.00 n/a
2014 92 61 0.00 n/a
2013 83 49 0.00 n/a
2012 90 50 0.00 n/a
2011 100 59 0.00 n/a
2010 84 54 0.00 n/a
2009 99 61 0.00 n/a
2008 82 57 0.00 n/a
2007 69 49 0.04 n/a
2006 87 61 0.00 n/a
2005 91 55 0.00 n/a
2004 75 46 0.00 n/a
2003 103 55 0.00 n/a
2002 98 55 0.00 n/a
2001 93 53 0.00 n/a
2000 102 66 0.00 n/a
1999 85 53 0.00 n/a
1998 87 56 0.00 0.0
1997 93 62 0.00 0.0
1996 95 58 0.00 0.0
1995 102 61 0.00 0.0
1994 103 53 0.00 0.0
1993 89 57 0.00 0.0
1992 98 53 0.00 0.0
1991 93 51 0.00 0.0
1990 97 55 0.00 0.0
1989 77 51 0.00 0.0
1988 81 53 0.00 0.0
1987 97 50 0.00 0.0
1986 76 42 0.00 0.0
1985 84 50 0.00 0.0
1984 90 60 0.00 0.0
1983 92 69 0.00 0.0
1982 80 49 0.00 0.0
1981 90 53 0.00 0.0
1980 n/a n/a n/a n/a
1979 94 53 0.00 0.0
1978 81 46 0.00 0.0
1977 79 55 0.00 0.0
1976 83 51 0.00 0.0
1975 91 52 0.00 0.0
1974 92 50 0.00 0.0
1973 81 62 0.02 0.0
1972 85 46 0.00 0.0
1971 89 50 0.00 0.0
1970 81 46 0.00 0.0
1969 78 55 0.00 0.0
1968 78 47 0.00 0.0
1967 96 55 0.00 0.0
1966 89 53 0.02 0.0
1965 86 42 0.00 0.0
1964 94 56 0.00 0.0
1963 84 51 0.00 0.0
1962 86 47 0.00 0.0
1961 80 56 0.00 0.0
1960 89 48 0.00 0.0
1959 81 53 0.00 0.0
1958 97 61 0.00 0.0
1957 93 47 0.00 0.0
1956 86 51 0.00 0.0
1955 86 50 0.00 0.0
1954 95 48 0.00 0.0
1953 87 49 0.00 0.0
1952 94 51 0.00 0.0
1951 97 63 0.00 0.0
1950 90 50 0.00 0.0
1949 104 54 0.00 0.0
1948 85 47 0.00 0.0
1947 96 56 0.00 0.0
1946 97 58 0.00 0.0
1945 70 48 0.00 0.0
1944 87 40 0.00 0.0
1943 104 50 0.00 0.0
1942 96 48 0.00 n/a
1941 80 40 0.00 n/a
1940 90 45 0.00 n/a
1939 102 69 0.00 n/a
1938 92 45 0.00 n/a
1937 94 52 0.00 n/a
1936 105 51 0.00 n/a
1935 89 49 0.00 n/a
1934 98 58 0.00 n/a
1933 90 44 0.00 n/a
1932 86 49 0.00 n/a
1931 88 68 0.00 n/a
1930 77 47 0.00 n/a
1929 85 56 0.00 n/a
1928 n/a n/a 0.00 n/a
1927 90 49 0.00 n/a
1926 80 52 0.00 n/a
1925 79 40 0.00 0.0
1924 84 59 n/a n/a
1923 85 52 n/a n/a
1922 92 52 n/a n/a
1921 91 40 n/a n/a
1920 82 56 n/a n/a
1919 103 74 0.00 n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 84 58 n/a n/a
1915 98 53 n/a n/a
1914 88 62 0.00 n/a
1913 n/a n/a n/a n/a
1912 95 55 0.00 0.0
1911 94 46 0.00 0.0
1910 84 48 0.00 0.0
1909 91 48 0.00 n/a
1908 80 56 0.00 n/a
1907 91 47 0.00 n/a
1906 93 50 0.00 n/a
1905 99 47 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 n/a n/a n/a n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Vacaville on 9/20?
For the date of Sep 20, the highest temperature ever reached in Vacaville history is 105 °F which happened in 1936.
Highest Temperatures in Vacaville on September 20
Rank Temperature Year
1 105 °F 1936
2 104 °F 1949
2 104 °F 1943
4 103 °F 1994
4 103 °F 1919
4 103 °F 2003
7 102 °F 1939
7 102 °F 2000
7 102 °F 1995
10 100 °F 2011
What's the all-time low for Vacaville on 9/20?
For the date of Sep 20, the lowest temperature ever reached in Vacaville history is 40 °F which has happened 4 times, most recently in 1944.
Lowest Temperatures in Vacaville on September 20
Rank Temperature Year
1 40 °F 1925
1 40 °F 1941
1 40 °F 1944
1 40 °F 1921
5 42 °F 1965
5 42 °F 1986
7 44 °F 1933
8 45 °F 1940
8 45 °F 1938
10 46 °F 1970
10 46 °F 2004
10 46 °F 1978
10 46 °F 1972
10 46 °F 1911
Lowest High Temperatures in Vacaville on September 20
Rank Temperature Year
1 69 °F 2007
2 70 °F 1945
3 75 °F 2004
4 76 °F 2022
4 76 °F 1986
6 77 °F 1989
6 77 °F 1930
8 78 °F 1969
8 78 °F 1968
10 79 °F 1977
10 79 °F 1925
What's the most it has ever rained in Vacaville on 9/20?
For the date of Sep 20, the most precipitation ever recorded in Vacaville history is 0.04 inches which happened in 2007.
All-Time Most Precipitation in Vacaville on September 20
Rank Precipitation Year
1 0.04 inches 2007
2 0.02 inches 1966
2 0.02 inches 1973
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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