Wisconsin September Precipitation by Year

This page is a list of the average statewide precipitation in the month of September in Wisconsin for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Rainiest September in Wisconsin History?

1986 was the wettest September in Wisconsin history with an average monthly statewide precipitation of 8.38 inches.

What Was the Driest September in Wisconsin History?

1952 was the driest September in Wisconsin history with an average monthly statewide precipitation of 0.83 inches.

Click column headers to sort

Year	Rank	Precipitation (in)
2023	61	3.54
2022	91	2.68
2021	109	2.08
2020	80	3.17
2019	3	7.03
2018	20	5.52
2017	113	1.90
2016	13	5.99
2015	41	4.39
2014	48	3.86
2013	103	2.17
2012	122	1.50
2011	84	3.08
2010	9	6.31
2009	126	1.15
2008	92	2.67
2007	73	3.30
2006	79	3.19
2005	51	3.77
2004	104	2.17
2003	81	3.15
2002	37	4.57
2001	46	4.04
2000	50	3.78
1999	106	2.12
1998	101	2.30
1997	88	2.90
1996	97	2.43
1995	107	2.11
1994	24	5.23
1993	69	3.36
1992	16	5.84
1991	35	4.75
1990	54	3.67
1989	115	1.88
1988	40	4.43
1987	90	2.82
1986	1	8.38
1985	10	6.25
1984	42	4.25
1983	38	4.52
1982	62	3.54
1981	89	2.89
1980	11	6.20
1979	127	0.99
1978	27	5.09
1977	39	4.51
1976	128	0.95
1975	94	2.49
1974	116	1.88
1973	55	3.65
1972	15	5.88
1971	64	3.53
1970	12	6.02
1969	100	2.32
1968	17	5.73
1967	108	2.11
1966	118	1.81
1965	2	7.67
1964	29	5.02
1963	65	3.51
1962	70	3.33
1961	19	5.60
1960	47	3.94
1959	23	5.25
1958	76	3.25
1957	96	2.47
1956	121	1.54
1955	120	1.65
1954	22	5.30
1953	124	1.35
1952	129	0.83
1951	49	3.84
1950	111	1.96
1949	105	2.14
1948	117	1.87
1947	52	3.69
1946	36	4.74
1945	59	3.59
1944	86	3.03
1943	110	1.98
1942	5	6.59
1941	6	6.48
1940	125	1.21
1939	93	2.52
1938	4	7.01
1937	85	3.08
1936	68	3.41
1935	99	2.37
1934	8	6.32
1933	72	3.32
1932	123	1.40
1931	18	5.65
1930	78	3.20
1929	58	3.62
1928	43	4.18
1927	28	5.06
1926	7	6.38
1925	34	4.82
1924	71	3.33
1923	82	3.15
1922	67	3.43
1921	33	4.93
1920	114	1.89
1919	60	3.59
1918	119	1.74
1917	87	2.91
1916	30	4.96
1915	25	5.21
1914	45	4.10
1913	56	3.65
1912	57	3.65
1911	26	5.14
1910	75	3.27
1909	83	3.11
1908	98	2.40
1907	32	4.95
1906	63	3.54
1905	74	3.30
1904	31	4.96
1903	21	5.44
1902	77	3.24
1901	44	4.17
1900	14	5.96
1899	95	2.48
1898	112	1.92
1897	102	2.29
1896	53	3.69
1895	66	3.48