Average September Temperature in Keene by Year

This page contains a list of the average monthly high and low temperatures in Keene, 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 Keene?

1961 was the warmest September in the history of Keene, New Hampshire. The average daily high temperature was 81.3 °F, and the average low was 52.2 °F.

What Was the Coldest September Ever in Keene?

1893 was the coolest September in the history of Keene, New Hampshire. The average daily high temperature was 65.1 °F, and the average low was 41.3 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	26	73.4	51.0
2022	72	72.3	47.4
2021	39	73.5	49.8
2020	79	73.5	45.6
2019	92	72.8	44.9
2018	7	73.6	53.5
2017	8	76.2	50.4
2016	13	77.3	48.7
2015	2	79.1	50.9
2014	52	74.8	47.1
2013	69	73.2	46.8
2012	53	74.1	47.6
2011	4	75.4	53.6
2010	11	77.1	49.3
2009	88	72.7	45.6
2008	37	73.9	49.5
2007	36	77.1	46.4
2006	77	71.5	47.9
2005	6	78.2	49.3
2004	31	74.9	49.0
2003	22	73.7	51.1
2002	10	77.5	49.0
1999	19	75.0	50.2
1998	55	75.0	46.4
1997	98	72.2	45.0
1996	57	72.5	48.9
1995	128	70.5	40.3
1994	120	69.3	44.8
1993	103	69.3	47.2
1992	99	71.8	45.2
1991	119	71.4	42.8
1990	46	72.8	49.9
1989	20	74.6	50.4
1988	76	72.5	46.9
1987	64	71.2	49.6
1986	71	71.3	48.6
1985	28	74.6	49.7
1984	86	74.0	44.4
1983	16	78.6	46.9
1982	51	73.6	48.3
1981	67	71.3	49.1
1980	30	75.0	49.1
1979	66	74.0	46.5
1978	115	71.5	43.5
1977	56	71.0	50.4
1976	93	71.3	46.4
1975	108	68.4	47.4
1974	89	69.4	48.8
1973	87	71.4	46.9
1972	83	72.0	46.6
1971	5	75.0	53.2
1970	43	72.6	50.4
1969	23	73.9	50.8
1968	12	77.3	49.0
1967	62	74.7	46.2
1966	111	72.0	43.6
1965	41	73.5	49.6
1964	110	74.2	41.4
1963	121	72.5	41.5
1962	101	71.3	45.6
1961	1	81.3	52.2
1960	54	73.7	47.8
1959	3	78.3	51.1
1958	61	72.3	48.7
1957	27	76.9	47.5
1956	125	68.2	44.4
1955	70	73.4	46.5
1954	104	69.0	47.5
1953	40	76.4	46.8
1952	25	75.3	49.2
1951	60	73.5	47.7
1950	107	70.2	45.7
1949	84	71.2	47.4
1948	42	77.7	45.3
1947	34	74.7	49.1
1946	24	75.3	49.2
1945	9	73.5	53.0
1944	21	73.3	51.6
1943	95	71.7	45.7
1942	35	74.6	48.9
1941	48	76.9	45.7
1940	116	71.0	44.1
1939	90	72.9	45.1
1938	118	69.3	44.9
1937	105	71.9	44.6
1936	80	72.2	46.8
1935	123	69.0	44.4
1934	15	72.5	53.0
1933	65	72.3	48.4
1932	82	73.8	44.9
1931	32	74.4	49.5
1930	14	76.2	49.6
1929	47	74.9	47.8
1928	122	68.1	45.8
1927	78	72.9	46.2
1926	100	71.0	46.1
1925	81	70.8	48.2
1924	124	69.5	43.5
1923	50	72.2	49.9
1922	58	73.6	47.8
1921	18	76.3	49.0
1920	49	73.7	48.6
1919	59	72.8	48.4
1918	126	67.9	44.4
1917	127	70.5	40.7
1916	94	71.5	45.9
1915	17	74.6	50.7
1914	117	72.4	42.1
1913	112	71.2	44.3
1912	91	70.2	47.6
1911	97	71.1	46.1
1910	68	73.0	47.1
1909	96	71.4	45.9
1908	45	76.2	46.7
1907	63	69.8	51.0
1906	38	76.4	46.9
1905	102	69.9	46.8
1904	106	70.4	45.8
1903	75	74.5	44.9
1902	73	70.9	48.7
1901	74	72.7	46.8
1900	33	75.4	48.5
1899	114	70.3	44.8
1898	29	75.2	49.0
1897	109	70.3	45.3
1896	113	68.1	47.3
1895	85	73.1	45.3
1894	44	73.5	49.5
1893	129	65.1	41.3

Weather Station Details

Years	Station	Coordinates
1893–2024	Keene	location