Vacaville September Precipitation Totals

A time series of total precipitation in the month of September in Vacaville, California from 1893–2023.

Rainiest September in Vacaville History

The rainiest September in Vacaville, California history happened in 1904, with 5.10 inches of total precipitation.

Driest September in Vacaville History

There have been 51 times where no rain was recorded in Vacaville, California for the entire month of September. The most recent time this happened was 2020.

Vacaville Average September Precipitation by Year

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Year	Precipitation (inches)
2023	0.13
2022	0.78
2021	0.05
2020	0.00
2019	0.03
2018	0.00
2017	0.00
2016	0.00
2015	0.04
2014	0.47
2013	0.24
2012	0.00
2011	0.01
2010	0.01
2009	0.04
2008	0.00
2007	0.14
2006	0.00
2005	0.00
2004	0.23
2003	0.00
2002	0.00
2001	0.19
2000	0.03
1999	0.08
1998	0.39
1997	0.00
1996	0.00
1995	0.00
1994	0.02
1993	0.00
1992	0.00
1991	0.00
1990	0.10
1989	1.64
1988	0.00
1987	0.00
1986	0.79
1985	0.53
1984	0.87
1983	0.51
1982	0.92
1981	0.25
1979	0.00
1978	0.40
1977	0.99
1976	0.24
1975	0.00
1974	0.00
1973	0.12
1972	0.74
1971	0.16
1970	1.44
1969	0.00
1968	0.00
1967	0.06
1966	0.18
1965	0.00
1964	0.00
1963	0.33
1962	0.01
1961	0.17
1960	0.00
1959	3.80
1958	0.03
1957	0.87
1956	0.00
1955	0.92
1954	0.00
1953	0.00
1952	0.00
1951	0.00
1950	0.43
1949	0.00
1948	0.19
1947	0.00
1946	0.04
1945	0.00
1944	0.00
1943	0.00
1942	0.08
1941	0.00
1940	0.12
1939	0.03
1938	0.29
1937	0.00
1936	0.00
1935	0.00
1934	0.05
1933	0.05
1932	0.00
1931	0.00
1930	0.27
1929	0.00
1928	0.00
1927	0.01
1926	0.00
1925	0.20
1919	0.86
1914	0.00
1912	1.11
1911	0.03
1910	0.05
1909	0.69
1908	0.00
1907	0.01
1906	0.26
1905	0.00
1904	5.10
1903	0.00
1902	0.00
1901	0.40
1900	0.07
1899	0.00
1898	0.49
1897	0.07
1896	0.40
1895	0.80
1893	0.18

Notes

Its possible for precipitation totals to include both rain and melted snowfall
Months with more than 10% missing data are excluded