Average September Temperature in Cornwall by Year

This page contains a list of the average monthly high and low temperatures in Cornwall, Vermont for the month of September each year between 1894 and 2023. It is based on NOAA data.

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Month:

What Was the Hottest September Ever in Cornwall?

1961 was the warmest September in the history of Cornwall, Vermont. The average daily high temperature was 79.9 °F, and the average low was 56.5 °F.

What Was the Coldest September Ever in Cornwall?

1956 was the coolest September in the history of Cornwall, Vermont. The average daily high temperature was 67.6 °F, and the average low was 43.3 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	29	73.1	51.6
2022	80	69.0	49.7
2021	28	73.0	51.8
2020	90	71.8	46.1
2019	79	71.2	47.5
2018	12	74.5	53.0
2017	24	74.1	51.6
2016	14	76.5	50.3
2015	2	79.4	54.4
2014	53	72.5	48.8
2013	85	69.9	48.4
2012	67	71.4	48.3
2011	8	73.3	54.8
2010	35	72.9	51.1
2008	47	71.9	50.1
2007	37	74.6	49.3
2005	10	75.3	52.5
2004	63	70.7	49.4
2003	66	72.6	47.1
2002	26	75.7	49.8
2001	72	73.0	46.3
2000	110	69.2	45.5
1999	19	75.3	51.1
1995	106	69.0	46.5
1994	86	67.5	50.7
1993	73	67.9	51.4
1992	57	70.0	51.1
1991	100	68.0	48.5
1990	88	68.1	49.9
1989	62	70.8	49.4
1988	99	68.7	47.9
1987	68	67.6	52.0
1986	94	67.9	49.6
1985	46	72.5	49.8
1984	115	69.1	44.3
1983	17	74.9	51.7
1982	75	73.4	45.6
1981	104	67.7	48.1
1980	71	71.8	47.6
1979	77	72.2	46.6
1978	111	70.2	44.4
1977	89	67.4	50.6
1976	107	69.5	45.8
1975	92	69.3	48.3
1974	101	70.0	46.1
1973	81	70.7	47.8
1972	59	72.5	48.2
1971	15	73.8	52.8
1970	54	71.6	49.7
1969	50	72.0	49.8
1968	16	76.0	50.7
1967	65	72.7	47.1
1966	112	69.3	44.8
1965	58	71.5	49.4
1964	91	71.8	46.0
1963	114	70.5	43.3
1962	98	70.1	46.6
1961	1	79.9	56.5
1960	32	72.6	51.9
1959	5	75.8	53.7
1958	52	71.0	50.5
1957	42	76.2	46.9
1956	116	67.6	43.3
1955	87	71.1	46.9
1954	103	67.7	48.1
1953	48	72.3	49.7
1952	34	73.2	51.2
1951	61	70.2	50.0
1950	102	67.4	48.5
1949	84	68.5	50.0
1948	18	75.5	50.9
1947	23	75.6	50.4
1946	7	77.2	51.7
1945	11	74.7	53.0
1944	25	72.9	52.6
1943	83	69.0	49.5
1942	39	74.5	49.1
1941	13	76.8	50.4
1940	82	69.7	48.8
1939	38	75.0	48.8
1938	108	68.2	46.8
1937	44	73.4	49.1
1936	51	72.5	49.2
1935	105	67.7	48.1
1934	6	74.0	55.3
1933	21	73.5	52.6
1931	30	70.1	54.6
1930	9	75.2	52.7
1929	20	73.5	52.6
1928	109	67.6	47.3
1927	45	71.2	51.3
1926	64	69.5	50.4
1925	74	68.9	50.4
1924	93	68.4	49.1
1923	36	71.2	52.8
1922	31	74.0	50.6
1921	4	77.4	53.3
1920	27	73.1	52.2
1919	56	71.0	50.3
1918	113	66.3	47.6
1917	70	71.4	48.1
1915	3	76.7	55.5
1914	49	72.3	49.7
1913	55	72.4	48.8
1911	78	69.1	49.6
1909	69	71.4	48.2
1905	60	69.4	51.1
1904	95	65.9	51.4
1902	43	70.6	52.1
1901	40	71.4	52.1
1900	33	71.4	53.0
1899	76	68.7	50.1
1897	97	68.6	48.4
1896	96	66.7	50.4
1895	41	71.8	51.6
1894	22	72.8	53.1

Weather Station Details

Years	Station	Coordinates
1886–2024	Cornwall	location