San Jacinto September Precipitation Totals

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

Rainiest September in San Jacinto History

The rainiest September in San Jacinto, California history happened in 1939, with 4.73 inches of total precipitation.

Driest September in San Jacinto History

There have been 52 times where no rain was recorded in San Jacinto, California for the entire month of September. The most recent time this happened was 2021.

San Jacinto Average September Precipitation by Year

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Year	Precipitation (inches)
2023	0.07
2022	0.56
2021	0.00
2020	0.00
2019	0.03
2018	0.00
2017	0.00
2016	0.17
2015	1.20
2014	0.03
2013	0.05
2012	0.41
2011	0.22
2010	0.02
2009	0.00
2008	0.00
2007	0.29
2006	0.25
2005	0.40
2004	0.00
2003	0.00
2002	0.15
2001	0.00
2000	0.22
1999	0.16
1998	0.70
1997	2.27
1996	0.00
1995	0.13
1994	0.00
1993	0.00
1992	0.00
1991	1.10
1990	0.00
1989	0.39
1988	0.01
1987	0.16
1986	0.10
1985	1.70
1984	0.52
1983	0.44
1982	0.41
1981	0.00
1980	0.00
1977	0.00
1976	4.23
1975	0.14
1974	0.00
1973	0.00
1972	0.28
1971	0.00
1970	0.00
1969	0.00
1968	0.00
1967	1.76
1966	0.00
1965	0.30
1964	0.20
1963	3.06
1962	0.08
1961	0.00
1959	0.28
1958	1.22
1957	0.00
1956	0.00
1955	0.00
1954	0.00
1953	0.00
1952	1.22
1951	0.17
1950	0.02
1949	0.00
1947	0.03
1946	0.88
1945	0.06
1944	0.00
1943	0.00
1942	0.00
1941	0.00
1940	0.00
1939	4.73
1938	0.00
1937	0.00
1936	0.20
1935	0.04
1934	0.08
1933	0.00
1932	0.08
1931	0.58
1930	0.00
1929	1.20
1928	0.00
1927	0.00
1926	0.00
1925	0.03
1919	0.60
1915	0.07
1914	0.00
1913	0.00
1912	0.00
1911	0.50
1910	0.00
1909	0.00
1908	0.45
1907	0.00
1906	0.12
1904	0.00
1903	1.16
1902	0.00
1901	0.06
1900	0.01
1899	0.00
1897	0.16
1896	0.40
1894	0.04
1893	0.51

Notes

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