South Dakota September Temperature by Year

This page is a list of the average statewide temperature in the month of September in South Dakota 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 Hottest September in South Dakota History?

1897 was the warmest September in South Dakota history. Statewide, the average daily high temperature was 83.7 °F, and the average low was 51.6 °F.

What Was the Coldest September in South Dakota History?

1965 was the coolest September in South Dakota history. Statewide, the average daily high temperature was 60.3 °F, and the average low was 38.9 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	15	78.6	51.3
2022	9	81.0	49.9
2021	13	79.7	50.4
2020	66	74.8	46.0
2019	25	75.0	51.2
2018	49	73.3	49.6
2017	45	75.2	48.4
2016	38	75.2	49.6
2015	5	79.6	52.2
2014	65	73.8	47.2
2013	6	79.5	52.2
2012	33	79.8	45.4
2011	76	74.8	45.0
2010	92	72.2	46.1
2009	28	75.9	50.0
2008	70	74.3	46.3
2007	33	76.8	48.3
2006	113	68.7	44.9
2005	9	80.3	50.6
2004	25	76.1	50.0
2003	74	74.7	45.2
2002	31	76.2	49.3
2001	42	75.5	48.6
2000	39	77.9	46.6
1999	111	70.6	43.6
1998	2	81.7	52.0
1997	25	76.8	49.3
1996	97	70.6	46.9
1995	83	73.1	45.9
1994	37	76.3	48.6
1993	126	68.3	41.8
1992	78	74.5	45.0
1991	57	74.8	46.9
1990	13	80.1	50.0
1989	70	74.4	46.3
1988	78	74.0	45.6
1987	61	75.1	46.0
1986	116	66.4	46.6
1985	113	67.6	45.9
1984	120	70.2	41.7
1983	57	75.5	46.2
1982	86	72.7	46.1
1981	44	77.6	46.2
1980	51	76.5	46.1
1979	16	80.6	48.1
1978	11	80.6	50.1
1977	61	73.2	48.1
1976	39	78.8	45.8
1975	104	72.3	43.1
1974	109	73.6	40.9
1973	107	69.4	45.5
1972	78	74.6	45.0
1971	93	72.9	45.1
1970	61	75.4	45.7
1969	24	78.3	48.6
1968	86	73.5	45.2
1967	56	75.2	46.8
1966	82	72.8	46.6
1965	129	60.3	38.9
1964	99	73.2	43.6
1963	22	76.7	51.0
1962	101	73.2	43.1
1961	118	69.6	42.9
1960	46	76.0	47.2
1959	96	72.4	45.5
1958	31	78.4	47.1
1957	106	71.4	43.9
1956	76	76.0	43.7
1955	51	76.4	46.1
1954	61	73.6	47.5
1953	55	77.4	44.7
1952	16	80.9	47.9
1951	126	67.6	42.4
1950	86	72.4	46.3
1949	107	72.7	42.3
1948	6	81.1	50.5
1947	46	76.7	46.4
1946	91	72.5	45.9
1945	99	72.5	44.3
1944	83	74.0	45.0
1943	93	74.3	43.7
1942	117	69.6	43.1
1941	66	73.3	47.4
1940	4	80.7	51.5
1939	18	80.9	47.7
1938	19	78.4	50.0
1937	29	77.6	48.2
1936	19	79.5	49.0
1935	42	78.4	45.8
1934	121	70.2	40.9
1933	12	80.3	50.0
1932	74	75.9	44.0
1931	3	81.8	51.5
1930	70	75.2	45.5
1929	123	66.9	44.0
1928	102	72.8	43.2
1927	57	74.5	47.1
1926	112	70.4	43.6
1925	23	77.3	50.0
1924	103	71.6	44.3
1923	50	75.1	47.8
1922	19	80.7	47.7
1921	70	73.6	47.0
1920	46	75.7	47.4
1919	30	76.2	49.4
1918	124	69.9	40.9
1917	86	73.4	45.5
1916	98	73.6	43.6
1915	104	70.2	45.2
1914	39	77.0	47.6
1913	54	75.4	47.0
1912	128	66.3	42.5
1911	66	73.3	47.5
1910	78	73.5	46.2
1909	57	75.1	46.6
1908	8	81.6	49.7
1907	113	70.8	42.8
1906	33	76.2	48.9
1905	33	78.1	47.1
1904	86	74.5	44.4
1903	121	68.7	42.6
1902	118	71.7	40.7
1901	109	69.5	44.9
1900	93	71.5	46.5
1899	83	75.5	43.5
1898	66	76.3	44.5
1897	1	83.7	51.6
1896	124	68.9	42.0
1895	51	78.2	44.4