Manchester, NH: September

30 September 2026: September 2026 averaged 62.6°F in Manchester, NH (1 day missing), the warmest September since 2025, tied 30th warmest of 67 (with 1953).

September 2026

Mean temperature: 62.6°F; Warmest since 2025; 30th warmest of 67
Precipitation: 4.02 in; Wettest since 2023; 30th wettest of 79

The mean temperature of every September in Manchester, NH since 1885: 62.6°F in 2026; the highest is 68.3°F, in 2015.

Every year, ranked, as a table

Every September in Manchester, NH from 1885 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	Days missing
2026	62.6	30	71.9	40	53	27	4.02	30	1
2025	64.1	19	77	5	51.2	42	3.22	39	0
2024	65.3	13	77.1	4	53.5	21	1.58	65	0
2023	66.9	5	76	12	57.7	4	5.75	14	0
2022	63.5	23	73.7	30	53.3	24	6.02	11	0
2021	67.1	4	76	12	58.1	2	5.78	13	0
2020	65.6	12	76.4	8	54.8	14	1.48	67	0
2019	64.4	17	75.3	17	53.4	23	0.60	78	0
2018	66.6	7	74.8	20	58.4	1	7.53	6	0
2017	67.3	2	76.8	6	57.8	3	4.32	28	0
2016	66.6	7	76.4	8	56.8	7	3.66	32	0
2015	68.3	1	79.9	1	56.6	9	4.49	23	0
2014	63.4	24	73.8	28	53	27	1.72	63	0
2013	63	27	73.9	27	52.2	33	5.19	16	1
2012	62.7	29	72.5	35	53	27	3.28	35	0
2011	66.1	10	74.7	21	57.4	5	5.81	12	0
2010	66.2	9	75.7	14	56.7	8	2.23	53	1
2009	61.1	44	71.6	41	50.6	44	1.17	71	0
2008	63.6	22	72.8	34	54.4	16	8.24	4	0
2007	65.1	15	76.4	8	53.8	20	2.24	52	0
2006	62.1	33	71.6	41	52.6	32	2.06	55	0
2005	67.3	2	78.4	2	56.1	10	1.94	60	0
2004	63.8	21	73.8	28	53.9	18	5.74	15	0
2003	64.4	17	74	26	54.8	14	4.08	29	3
2002	66.9	5	77.6	3	56.1	10	2.40	49	0
2001	63	27	74.1	24	51.8	36	3.11	40	0
2000	60.9	46	71.6	41	50.1	48	2.77	42	0
1999	65.8	11	76.1	11	55.4	12	6.95	8	0
1998	64	20	75.2	18	52.8	30	1.36	68	0
1997							1.78	62	30
1972	60	55	74.7	21	45.3	68	2.29	50	0
1971	63.4	24	75.7	14	51.5	40	2.73	43	1
1970	61.6	39	73.1	33	50	50	2.64	44	0
1969	61.8	36	73.4	31	50.3	47	4.59	22	0
1968	63.3	26	76.6	7	49.9	52	1.54	66	0
1967	60.2	54	74.1	24	46.4	66	3.41	34	0
1966	58.9	61	69.6	53	48.2	64			0
1963							3.27	36	30
1962							2.78	41	30
1961							4.62	21	30
1960							7.98	5	30
1959							1.86	61	30
1958							3.76	31	30
1957							1.04	73	30
1955	60.4	51	72.5	35	48.3	63	2.01	58	0
1954	59.5	59	69.2	55	49.8	53	7.15	7	0
1953	62.6	30	75.7	14	49.5	56	1.72	63	0
1952	62.4	32	75.2	18	49.6	55	2.45	48	0
1951	60.7	50	72.2	38	49.3	59	2.52	46	0
1949	60	55	71.3	45	48.6	62	4.33	27	0
1947	59.8	57	69.2	55	50.4	45	2.47	47	0
1946	60.8	47	70.2	50	51.4	41	4.37	25	0
1945	61.5	40	70.3	49	52.7	31	2.04	57	0
1944	61.2	43	68.8	58	53.5	21	6.93	9	0
1943	58.3	64	66.8	65	49.8	53	0.99	74	0
1942	60.3	53	68.7	59	51.9	35	3.23	38	0
1941	60.8	47	72.1	39	49.5	56	0.80	77	0
1940	59.6	58	68.7	59	50.4	45	2.29	50	0
1939	61.3	42	70.7	48	51.8	36	2.09	54	0
1938	58.4	63	67.3	64	49.4	58	9.00	3	0
1937	58.9	61	67.7	63	50.1	48	4.76	20	0
1936	59.5	59	67.9	62	50.9	43	1.30	69	2
1935	58	65	66.8	65	49.3	59	4.97	18	2
1934	61.4	41	68.9	57	54	17			0
1933	61.1	44	68.3	61	53.9	18	4.84	19	0
1932	60.8	47	69.5	54	52	34	9.24	2	1
1931	65.3	13	73.3	32	57.3	6	2.05	56	0
1930	62	35	72.3	37	51.7	39	1.05	72	0
1929							2.01	58	30
1919							3.51	33	30
1918							6.36	10	30
1917							0.92	75	30
1916							4.44	24	30
1915							0.86	76	30
1914							0.10	79	30
1893	56.7	67	66.5	67	47.1	65	2.56	45	2
1892	61.7	37	71.4	44	51.8	36			2
1891	64.8	16	74.5	23	55.1	13			0
1890	61.7	37	70.1	51	53.2	26	5.09	17	0
1889	62.1	33	71	46	53.3	24	4.34	26	3
1888			66.4	68	49	61	9.55	1	4
1887			66.3	69			1.21	70	7
1886	60.4	51	70.9	47	50	50	3.27	36	0
1885	57.9	66	69.8	52	46.1	67			0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	68.3
2017	67.3
2005	67.3
2021	67.1
2023	66.9
2002	66.9
2018	66.6
2016	66.6
2010	66.2
2011	66.1

Coldest
Year	Mean, °F
1893	56.7
1885	57.9
1935	58
1943	58.3
1938	58.4
1966	58.9
1937	58.9
1954	59.5
1936	59.5
1940	59.6

Wettest
Year	Precipitation, in
1888	9.55
1932	9.24
1938	9.00
2008	8.24
1960	7.98
2018	7.53
1954	7.15
1999	6.95
1944	6.93
1918	6.36

Driest
Year	Precipitation, in
1914	0.10
2019	0.60
1941	0.80
1915	0.86
1917	0.92
1943	0.99
1957	1.04
1930	1.05
2009	1.17
1887	1.21

The hottest, coldest and wettest days

Hottest day: 86°F; 10 September 2026
Coldest night: 40°F; 25 September 2026
Wettest day: 1.11 in; 13 September 2026

Every month, season and year

Months

Seasons

Years

Manchester, NH the day's answers

All-time records

Every answer in words

September 2026 brought 4.02 in of precipitation in Manchester, NH, the wettest September since 2023, 30th wettest of 79.
The hottest day of September 2026 in Manchester, NH: 86°F on Thursday 10 September 2026.
The coldest night of September 2026 in Manchester, NH: a low of 40°F on Friday 25 September 2026.
The wettest day of September 2026 in Manchester, NH: 1.11 in on Sunday 13 September 2026.