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Ottawa September Precipitation Totals

A time series of total precipitation in the month of September in Ottawa, Kansas from 1895–2023.

Rainiest September in Ottawa History

The rainiest September in Ottawa, Kansas history happened in 1961, with 13.20 inches of total precipitation.

Driest September in Ottawa History

The driest September in Ottawa, Kansas history happened in 1939, with just 0.20 inches of total precipitation.

Ottawa Average September Precipitation by Year

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Year	Precipitation (inches)
2023	2.04
2022	1.60
2021	3.41
2020	1.79
2019	4.15
2018	3.13
2017	4.29
2016	4.34
2015	2.72
2014	5.63
2013	2.39
2012	5.41
2011	1.76
2010	6.55
2009	6.03
2008	6.93
2007	3.45
2006	2.17
2005	3.99
2004	1.19
2003	3.96
2002	1.20
2001	3.90
2000	2.09
1999	8.43
1998	8.93
1997	3.90
1996	3.72
1995	3.77
1994	2.25
1993	8.29
1992	3.85
1991	1.89
1990	0.30
1989	3.89
1988	4.52
1987	2.14
1986	12.06
1985	5.10
1984	1.95
1983	4.65
1982	1.11
1981	1.73
1980	1.28
1979	2.79
1978	2.33
1977	5.04
1976	1.80
1975	5.09
1974	3.60
1973	10.97
1972	3.61
1971	4.47
1970	9.27
1969	4.39
1968	1.16
1967	6.49
1966	2.65
1965	7.55
1964	4.04
1963	1.98
1962	8.39
1961	13.20
1960	2.02
1959	1.72
1958	7.07
1957	8.00
1956	0.99
1955	5.44
1954	3.17
1953	1.57
1952	0.62
1951	8.87
1950	1.70
1949	1.21
1948	2.83
1947	4.66
1946	3.40
1945	7.03
1944	1.99
1943	4.62
1942	6.75
1941	5.15
1940	2.56
1939	0.20
1938	4.72
1937	1.77
1936	7.34
1935	2.80
1934	9.58
1933	3.51
1932	2.41
1931	4.39
1930	3.37
1929	1.50
1928	2.78
1927	2.50
1926	5.81
1925	5.39
1924	3.97
1923	5.18
1922	3.85
1921	5.94
1920	10.26
1919	1.98
1918	3.81
1917	3.06
1916	7.73
1915	10.25
1914	4.72
1913	1.83
1912	2.95
1911	1.13
1910	5.70
1909	4.22
1908	0.42
1907	2.14
1906	1.85
1904	3.98
1903	4.90
1902	5.77
1901	4.26
1900	6.42
1899	1.23
1898	4.07
1897	2.42
1896	2.78
1895	1.52

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