Average September Temperature in Vermillion by Year

This page contains a list of the average monthly high and low temperatures in Vermillion, South Dakota for the month of September each year between 1901 and 2023. It is based on NOAA data.

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What Was the Hottest September Ever in Vermillion?

1931 was the warmest September in the history of Vermillion, South Dakota. The average daily high temperature was 85.8 °F, and the average low was 58.9 °F.

What Was the Coldest September Ever in Vermillion?

1965 was the coolest September in the history of Vermillion, South Dakota. The average daily high temperature was 67.3 °F, and the average low was 45.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	12	82.7	56.2
2022	21	82.0	53.2
2021	20	81.6	54.4
2020	67	78.0	50.8
2019	15	80.0	57.6
2018	43	76.0	56.4
2017	40	79.1	53.7
2016	38	78.7	54.4
2015	17	80.3	56.8
2014	66	76.6	52.3
2013	13	83.3	55.1
2012	48	83.9	47.9
2011	98	76.1	47.7
2010	76	76.9	50.9
2009	79	75.8	51.1
2008	68	77.9	50.9
2007	45	78.5	53.7
2006	100	74.0	49.0
2004	16	82.0	55.6
2003	78	78.4	48.5
2002	32	80.1	53.5
2001	61	76.9	52.2
2000	49	81.6	50.2
1999	84	79.0	47.5
1998	6	85.8	55.4
1997	22	81.0	54.2
1996	85	73.9	52.3
1995	82	76.6	50.1
1994	24	80.8	53.9
1993	108	72.6	46.9
1992	71	77.6	50.8
1991	44	80.0	52.3
1990	11	84.0	55.0
1989	75	77.0	50.8
1988	47	81.0	50.9
1987	69	78.1	50.5
1986	54	76.2	54.4
1985	88	72.1	53.6
1982	58	77.0	52.6
1981	37	83.0	50.1
1980	29	83.4	50.5
1979	30	81.8	52.0
1978	7	85.1	55.7
1976	33	83.3	50.3
1975	91	76.7	48.3
1974	96	78.5	45.5
1973	87	74.6	51.3
1972	86	77.0	49.2
1971	72	80.2	48.0
1970	92	76.0	48.7
1969	89	76.4	49.2
1967	97	77.2	46.8
1966	103	73.4	47.6
1965	111	67.3	45.0
1964	83	75.9	50.6
1963	19	80.4	55.7
1962	104	73.6	47.2
1961	94	74.9	49.4
1960	55	78.0	52.3
1959	64	77.9	51.1
1958	26	82.1	52.2
1957	110	72.4	44.9
1956	52	83.4	48.2
1955	25	81.4	53.2
1954	42	78.1	54.4
1953	46	81.1	50.9
1951	102	72.4	49.3
1950	57	77.9	51.9
1949	99	75.1	48.6
1948	4	84.2	57.2
1947	28	80.5	53.4
1946	63	76.9	52.1
1945	65	77.8	51.1
1944	53	77.6	53.3
1943	62	78.0	51.1
1942	101	72.3	49.6
1941	39	78.4	54.5
1940	9	83.3	56.3
1939	5	86.6	54.7
1938	18	81.2	54.9
1937	35	80.0	53.4
1936	8	82.1	58.0
1935	51	79.8	51.8
1934	109	72.9	45.4
1933	2	85.0	56.9
1932	74	79.1	48.9
1931	1	85.8	58.9
1930	36	80.4	52.9
1926	95	73.4	50.6
1925	10	82.7	56.6
1924	106	72.4	47.7
1923	56	76.5	53.7
1922	14	83.2	54.5
1921	34	79.1	54.4
1920	31	80.4	53.4
1919	23	80.0	55.2
1918	107	73.9	46.1
1917	70	76.8	51.8
1916	73	77.5	50.7
1915	77	74.6	53.0
1914	60	77.1	52.1
1913	41	79.2	53.4
1911	27	80.0	54.1
1910	59	77.5	51.9
1909	93	73.4	51.0
1908	3	84.3	57.6
1907	80	76.9	49.9
1905	50	77.4	54.2
1903	90	74.8	50.2
1902	105	73.5	47.0
1901	81	75.7	51.1

Weather Station Details

Years	Station	Coordinates
1893–2024	Vermillion 2 SE	location