Modesto September Precipitation Totals

A time series of total precipitation in the month of September in Modesto, California from 1906–2023.

Rainiest September in Modesto History

The rainiest September in Modesto, California history happened in 1983, with 2.19 inches of total precipitation.

Driest September in Modesto History

There have been 55 times where no rain was recorded in Modesto, California for the entire month of September. The most recent time this happened was 2020.

Modesto Average September Precipitation by Year

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Year	Precipitation (inches)
2023	0.06
2022	0.08
2021	0.03
2020	0.00
2019	0.12
2018	0.00
2017	0.00
2016	0.00
2015	0.00
2014	0.30
2013	0.13
2012	0.00
2011	0.00
2010	0.00
2009	0.23
2008	0.00
2007	0.10
2006	0.00
2005	0.28
2004	0.19
2003	0.00
2002	0.00
2001	0.12
2000	0.05
1999	0.11
1998	0.00
1997	0.00
1996	0.00
1995	0.00
1994	0.03
1993	0.00
1992	0.00
1991	0.00
1990	0.05
1989	1.50
1988	0.00
1987	0.00
1986	0.77
1985	0.07
1984	0.01
1983	2.19
1982	1.78
1981	0.00
1980	0.00
1979	0.00
1978	0.85
1977	0.18
1976	0.18
1975	0.00
1974	0.00
1973	0.00
1972	0.16
1971	0.04
1970	0.00
1969	0.43
1968	0.00
1967	0.00
1966	0.00
1965	0.03
1964	0.00
1963	0.12
1962	0.00
1961	0.01
1960	0.07
1959	2.08
1958	0.09
1957	0.20
1956	0.28
1955	0.26
1954	0.00
1953	0.02
1952	0.02
1951	0.00
1950	0.74
1949	0.00
1948	0.00
1947	0.03
1946	0.06
1945	0.28
1944	0.05
1943	0.00
1942	0.00
1941	0.00
1940	0.00
1939	1.10
1938	0.20
1937	0.00
1936	0.23
1935	0.00
1934	0.07
1933	0.00
1932	0.00
1931	0.00
1930	0.07
1929	0.00
1928	0.00
1927	0.00
1915	0.28
1914	0.00
1913	0.00
1912	0.25
1911	0.00
1910	0.30
1909	0.00
1908	0.12
1907	0.00
1906	0.00

Notes

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