Concord, NH: September

30 September 2026: September 2026 averaged 61.3°F in Concord, NH, the warmest September since 2025, tied 41st warmest of 159 (with 1898).

September 2026

Mean temperature: 61.3°F; Warmest since 2025; 41st warmest of 159
Precipitation: 4.42 in; Wettest since 2021; 41st wettest of 159

A normal September in Concord, NH (1991 to 2020): a mean temperature of 60.8°F, between 58.2°F and 64.4°F in eight years of ten and 3.30 in of precipitation, between 1.02 in and 6.21 in in eight years of ten.

The mean temperature of every September in Concord, NH since 1868: 61.3°F in 2026; the highest is 67.1°F, in 1961.

Normal range, 58.2 to 64.4°F

Every year, ranked, as a table

Every September in Concord, NH from 1868 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2026	61.3	41	72.3	70	50.3	32	4.42	41
2025	62.9	24	77.6	5	48.1	73	3.13	72
2024	62.2	31	75.1	22	49.2	47	1.83	121
2023	64.4	7	75.4	18	53.5	10	4.28	46
2022	60.6	60	71.9	78	49.3	43	4.16	49
2021	63.2	18	74.5	33	51.9	21	4.46	39
2020	61.6	36	75.7	15	47.4	89	0.91	146
2019	59.8	79	73.5	48	46	121	1.03	141
2018	64.6	5	74.8	27	54.4	4	4.71	34
2017	65.4	3	77.2	7	53.6	9	3.06	77
2016	64.4	7	78	3	50.8	28	2.94	81
2015	65.2	4	78.9	2	51.5	24	5.37	24
2014	60.1	74	73.5	48	46.7	108	0.42	156
2013	59.6	89	73.4	50	45.8	127	4.81	31
2012	59.5	92	72.1	75	46.9	104	4.04	52
2011	63.9	10	74.6	30	53.2	12	7.12	11
2010	63.1	22	75.3	20	50.9	27	1.57	130
2009	57.7	131	71.2	99	44.1	141	0.92	145
2008	61	51	72.7	61	49.3	43	8.56	6
2007	61.7	35	76.1	12	47.2	98	3.09	74
2006	59.5	92	71.5	90	47.4	89	2.27	104
2005	63.2	18	77	8	49.3	43	2.39	100
2004	61.1	47	74	38	48.2	71	6.11	16
2003	61.6	36	73.6	46	49.5	40	4.99	28
2002	63.4	13	76.9	9	49.8	37	3.63	59
2001	60.3	70	74.7	29	45.9	124	3.51	64
2000	58.6	114	71.7	86	45.4	135	3.54	62
1999	63.4	13	74.9	25	51.9	21	9.44	4
1998	61.2	43	74.9	25	47.4	89	1.63	129
1997	59.8	79	71.5	90	48	74	1.69	125
1996	60.6	60	71.1	101	50.1	34	3.05	79
1995	56.9	146	71.1	101	42.7	155	2.52	92
1994	58.2	123	69.9	121	46.5	114	3.55	61
1993	58.8	107	69.4	130	48.2	71	4.01	53
1992	59.7	84	72.5	64	46.8	105	2.48	95
1991	57.7	131	71.3	97	44.1	141	5.52	21
1990	59.6	89	71.4	92	47.9	76	2.31	103
1989	60.8	56	73.2	52	48.3	68	4.22	48
1988	57.8	128	71.6	87	43.9	145	1.56	131
1987	58.7	112	70.2	115	47.1	101	3.94	54
1986	57.2	140	69	138	45.5	132	2.27	104
1985	60.5	68	73	54	47.9	76	3.78	57
1984	57.7	131	71.3	97	44.2	139	1.08	140
1983	62.3	29	77.7	4	46.8	105	1.21	137
1982	60.2	72	71.4	92	48.9	53	1.85	119
1981	58.7	112	68.2	148	49.2	47	4.61	37
1980	58.2	123	71.9	78	44.5	138	2.19	109
1979	59.8	79	73.4	50	46.1	119	3.15	70
1978	55.8	156	72.3	70	39.4	159	0.46	154
1977	58.5	118	70.3	113	46.7	108	5.64	19
1976	57.2	140	71.6	87	42.8	153	2.73	85
1975	56.1	153	68.3	145	43.8	148	5.15	27
1974	58.9	103	70.5	111	47.3	94	4.74	33
1973	58.8	107	71.6	87	45.9	124	1.77	122
1972	57.5	136	70.8	105	44.1	141	2.55	91
1971	61.1	47	72.7	61	49.5	40	1.91	117
1970	60.6	60	72.1	75	49	51	3.40	67
1969	59.7	84	70.9	103	48.5	59	4.43	40
1968	61	51	73.7	43	48.3	68	2.34	101
1967	58.3	122	72.9	57	43.8	148	2.04	113
1966	57	145	69.8	124	44.2	139	5.40	23
1965	58.8	107	71.8	82	45.8	127	1.87	118
1964	57.3	139	70.8	105	43.9	145	0.42	156
1963	56.4	149	70.2	115	42.7	155	2.12	111
1962	57.7	131	69.7	127	45.7	130	1.76	124
1961	67.1	1	79.2	1	55	3	3.44	66
1960	59.7	84	71.8	82	47.5	88	7.78	8
1959	62.6	28	75.5	16	49.7	38	1.66	128
1958	59.7	84	72.2	73	47.3	94	3.60	60
1957	61.4	39	75.3	20	47.4	89	2.56	90
1956	54.9	158	67	154	42.8	153	5.57	20
1955	58.6	114	71.9	78	45.3	136	2.18	110
1954	57.5	136	68.3	145	46.7	108	5.42	22
1953	61.1	47	75	23	47.2	98	1.34	133
1952	61.1	47	74.6	30	47.6	86	3.04	80
1951	59	101	71.4	92	46.5	114	2.93	82
1950	55.6	157	67.5	152	43.7	151	0.96	143
1949	57.8	128	69.2	134	46.4	116	4.75	32
1948	60.2	72	76.5	11	43.8	148	0.41	158
1947	59.6	89	73.7	43	45.5	132	2.50	94
1946	61	51	75	23	47	103	4.29	45
1945	61.4	39	73.8	40	48.9	53	1.69	125
1944	60.6	60	71.8	82	49.4	42	7.11	12
1943	57.8	128	70.5	111	45	137	0.73	151
1942	60.1	74	72.8	60	47.3	94	5.23	26
1941	59.9	77	76.6	10	43.2	152	0.91	146
1940	59.4	94	71.4	92	47.4	89	3.73	58
1939	60.6	60	73	54	48.3	68	2.25	107
1938	58.5	118	69.2	134	47.7	84	10.68	2
1937	59.8	79	71.2	99	48.5	59	2.66	89
1936	60.6	60	71.4	92	49.7	38	1.77	122
1935	57.6	135	68.4	144	46.8	105	4.92	29
1934	63.2	18	72.4	67	54	7	6.74	14
1933	60.9	54	70.6	109	51.2	25	4.54	38
1932	60.7	58	72.4	67	49	51	7.73	9
1931	62.8	26	73.7	43	52	20	2.70	87
1930	63.1	22	75.4	18	50.7	29	1.00	142
1929	60.3	70	72.5	64	48	74	2.23	108
1928	56.4	149	66.9	155	46	121	2.41	97
1927	59.8	79	71.8	82	47.8	81	2.44	96
1926	58.2	123	70.3	113	46.1	119	1.84	120
1925	58.9	103	70.1	118	47.6	86	1.67	127
1924	58	126	69.3	132	46.6	112	6.04	17
1923	61.2	43	71.9	78	50.5	30	2.51	93
1922	60.9	54	73	54	48.7	56	2.72	86
1921	63.3	15	76.1	12	50.5	30	2.40	98
1920	62.2	31	72.1	75	52.3	15	7.91	7
1919	59.7	84	70.2	115	49.3	43	3.07	76
1918	56.4	149	67.2	153	45.5	132	6.96	13
1917	56.1	153	69.6	128	42.6	157	0.57	153
1916	59.2	98	70.7	108	47.7	84	4.37	43
1915	63.3	15	74.3	34	52.4	14	1.21	137
1914	59.2	98	72.4	67	46	121	0.21	159
1913	58.4	120	70.1	118	46.6	112	3.26	69
1912	58.8	107	69.1	136	48.5	59	3.14	71
1911	58	126	69.6	128	46.4	116	2.93	82
1910	59.1	100	70.9	103	47.2	98	3.06	77
1909	59	101	70.1	118	47.8	81	4.15	50
1908	61.9	33	76	14	47.9	76	0.45	155
1907	59.4	94	67.6	150	51.1	26	9.26	5
1906	61.6	36	74.6	30	48.5	59	1.19	139
1905	58.6	114	68.2	148	48.9	53	6.24	15
1904	57.2	140	68.8	140	45.7	130	4.68	35
1903	60.8	56	73.1	53	48.5	59	1.24	135
1902	58.9	103	69.1	136	48.6	57	5.25	25
1901	60.6	60	72.6	63	48.5	59	3.08	75
1900	61.2	43	73.8	40	48.6	57	2.68	88
1899	57.2	140	68.6	142	45.8	127	4.38	42
1898	61.3	41	74.1	36	48.5	59	5.89	18
1897	57.4	138	70.8	105	43.9	145	1.22	136
1896	58.4	120	68.8	140	47.9	76	4.92	29
1895	60.5	68	73.9	39	47.1	101	2.34	101
1894	60.7	58	72.9	57	48.5	59	2.26	106
1893	53.7	159	63.3	159	44	144	1.38	132
1892	58.9	103	69.3	132	48.5	59	1.98	114
1891	63.5	12	72.9	57	54.2	6	2.09	112
1890	60.6	60	68.9	139	52.3	15	4.65	36
1889	61.2	43	69.4	130	53.1	13	3.86	55
1888	57.2	140	65.1	158	49.2	47	10.97	1
1887	56.2	152	65.6	156	46.7	108	0.82	149
1886	59.3	96	68.6	142	50	35	4.25	47
1885	56.7	147	67.6	150	45.9	124	0.96	143
1884	62.3	29	72.3	70	52.2	17	0.76	150
1883	58.6	114	69.9	121	47.3	94	1.96	115
1882	63.3	15	72.2	73	54.4	4	7.22	10
1881	65.5	2	74.8	27	56.2	1	3.52	63
1880	63.7	11	74.1	36	53.3	11	3.12	73
1879	59.9	77	70.6	109	49.2	47	3.28	68
1878	62.9	24	73.8	40	52.1	18	0.71	152
1877	64.6	5	75.5	16	53.7	8	0.85	148
1876	59.3	96	68.3	145	50.2	33	3.82	56
1875	58.8	107	69.8	124	47.8	81	2.92	84
1874	62.8	26	73.6	46	51.9	21	2.40	98
1873	60	76	69.9	121	50	35	4.06	51
1872	64.3	9	72.5	64	56.1	2	4.32	44
1871	56	155	69.8	124	42.1	158	1.30	134
1870	61.8	34	77.4	6	46.3	118	1.94	116
1869	63.2	18	74.3	34	52.1	18	3.46	65
1868	56.6	148	65.2	157	47.9	76	9.92	3

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1961	67.1
1881	65.5
2017	65.4
2015	65.2
2018	64.6
1877	64.6
2023	64.4
2016	64.4
1872	64.3
2011	63.9

Coldest
Year	Mean, °F
1893	53.7
1956	54.9
1950	55.6
1978	55.8
1871	56
1975	56.1
1917	56.1
1887	56.2
1963	56.4
1928	56.4
More years share the last value

Wettest
Year	Precipitation, in
1888	10.97
1938	10.68
1868	9.92
1999	9.44
1907	9.26
2008	8.56
1920	7.91
1960	7.78
1932	7.73
1882	7.22

Driest
Year	Precipitation, in
1914	0.21
1948	0.41
2014	0.42
1964	0.42
1908	0.45
1978	0.46
1917	0.57
1878	0.71
1943	0.73
1884	0.76

The hottest, coldest and wettest days

Hottest day: 86°F; 10 September 2026
Coldest night: 36°F; 25 September 2026, 23 September 2026
Wettest day: 1.05 in; 17 September 2026

Every month, season and year

Months

Seasons

Years

Concord, NH the day's answers

All-time records

Every answer in words

September 2026 brought 4.42 in of precipitation in Concord, NH, the wettest September since 2021, 41st wettest of 159.
The hottest day of September 2026 in Concord, NH: 86°F on Thursday 10 September 2026.
The coldest night of September 2026 in Concord, NH: a low of 36°F on Friday 25 September 2026 and Wednesday 23 September 2026.
The wettest day of September 2026 in Concord, NH: 1.05 in on Thursday 17 September 2026.