Average September Temperature in Hanover by Year

This page contains a list of the average monthly high and low temperatures in Hanover, New Hampshire for the month of September each year between 1893 and 2023. It is based on NOAA data.

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What Was the Hottest September Ever in Hanover?

1961 was the warmest September in the history of Hanover, New Hampshire. The average daily high temperature was 78.6 °F, and the average low was 55.5 °F.

What Was the Coldest September Ever in Hanover?

1893 was the coolest September in the history of Hanover, New Hampshire. The average daily high temperature was 62.5 °F, and the average low was 44.3 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	5	75.4	54.8
2022	30	71.9	51.6
2021	9	73.6	54.2
2020	17	74.9	50.2
2019	28	73.4	50.4
2018	6	74.4	55.8
2017	4	76.8	54.6
2016	8	76.3	52.5
2015	2	79.0	54.8
2014	26	73.3	50.8
2012	24	73.9	50.4
2011	10	73.1	54.5
2010	16	73.0	52.6
2009	66	70.4	49.1
2008	29	72.0	51.7
2007	27	74.0	50.1
2006	65	69.2	50.3
2005	7	76.1	53.4
2004	22	73.4	51.0
2003	58	70.6	49.5
2002	3	78.0	53.9
2001	32	73.2	49.5
2000	64	70.8	48.8
1997	67	69.4	50.0
1996	36	70.4	51.9
1995	78	71.0	47.3
1994	89	68.4	48.7
1993	80	68.6	49.6
1992	71	70.1	49.0
1991	101	68.8	46.7
1990	61	70.2	49.8
1989	39	75.6	46.4
1988	74	72.9	45.7
1987	57	72.0	48.1
1986	95	69.9	46.6
1985	19	74.6	50.0
1983	12	76.6	49.7
1982	47	72.5	48.5
1981	56	70.4	49.9
1978	113	69.4	44.1
1977	81	68.0	49.9
1976	105	67.6	46.7
1975	108	66.0	47.9
1974	98	66.8	49.2
1973	86	68.9	48.5
1972	75	70.2	48.4
1971	11	73.0	53.6
1970	59	69.5	50.5
1969	46	70.5	50.7
1968	18	73.6	51.2
1967	77	72.2	46.2
1966	115	67.7	45.5
1965	55	71.4	48.9
1964	109	69.2	44.8
1963	116	71.0	41.9
1962	102	67.8	47.6
1961	1	78.6	55.5
1960	42	71.6	49.8
1959	13	74.9	51.1
1958	76	70.1	48.4
1957	33	73.5	49.0
1956	122	66.3	44.6
1955	91	69.7	47.3
1954	107	66.4	47.6
1953	53	72.9	47.5
1952	37	72.7	49.4
1951	83	70.1	47.7
1950	124	63.7	44.9
1949	103	67.7	47.3
1948	68	74.9	44.2
1947	54	74.7	45.7
1946	31	75.3	47.6
1945	35	73.0	49.3
1944	41	71.7	50.0
1943	111	68.7	45.0
1942	72	71.9	46.9
1941	60	74.8	45.2
1940	99	69.2	46.6
1939	70	72.9	46.2
1938	118	67.4	45.1
1937	84	70.5	47.2
1936	49	71.7	49.0
1935	119	66.1	46.2
1934	14	72.1	53.9
1933	43	71.2	50.1
1932	52	72.2	48.2
1931	25	72.1	52.1
1930	20	74.8	49.8
1929	45	72.4	48.8
1928	120	66.7	45.2
1927	73	71.5	47.1
1926	93	69.4	47.4
1925	90	69.0	48.0
1924	114	68.0	45.4
1923	51	71.1	49.4
1922	48	72.9	47.9
1921	21	75.7	48.9
1920	44	71.9	49.4
1919	88	69.3	47.9
1918	123	65.6	45.1
1917	112	70.7	43.0
1916	94	70.5	46.1
1915	15	74.4	51.4
1914	96	72.1	44.4
1913	104	71.6	43.1
1912	97	68.4	47.7
1911	121	69.0	42.9
1910	85	71.1	46.5
1909	92	71.1	45.9
1908	23	78.7	45.6
1907	69	69.1	50.0
1906	40	76.1	45.9
1905	82	70.2	47.7
1904	117	68.2	44.7
1903	62	74.5	45.5
1902	87	69.2	48.2
1901	63	73.0	46.9
1900	38	74.0	48.1
1899	110	68.9	44.8
1898	34	73.8	48.6
1897	106	67.7	46.4
1896	100	65.8	49.8
1895	79	69.8	48.5
1894	50	70.1	50.5
1893	125	62.5	44.3

Weather Station Details

Years	Station	Coordinates
1884–2024	Hanover	location