New Brunswick, NJ: September

30 September 2026: September 2026 averaged 69.2°F in New Brunswick, NJ, the warmest September since 2021, tied 17th warmest of 132 (with 2019).

September 2026

Mean temperature: 69.2°F; Warmest since 2021; 17th warmest of 132
Precipitation: 6.70 in; Wettest since 2023; 20th wettest of 133

A normal September in New Brunswick, NJ (1991 to 2020): a mean temperature of 67.7°F, between 65°F and 70.3°F in eight years of ten and 3.49 in of precipitation, between 1.49 in and 7.33 in in eight years of ten.

The mean temperature of every September in New Brunswick, NJ since 1893: 69.2°F in 2026; the highest is 72°F, in 2015.

Normal range, 65 to 70.3°F

Every year, ranked, as a table

Every September in New Brunswick, NJ from 1893 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	69.2	17	77.8	58	60.6	4	6.70	20	0
2025	69	21	80	22	57.9	27	2.44	89	0
2024	67.5	49	77.2	72	57.8	29	1.06	126	0
2023	68.6	25	78.2	53	58.9	14	10.93	5	0
2022	68	38	78.9	37	57.2	41	2.69	82	0
2021	69.5	14	79.4	31	59.7	10	10.01	8	0
2020	67.3	56	77.1	75	57.4	38	4.61	45	0
2019	69.2	17	80.8	15	57.5	35	1.52	119	0
2018	70.5	9	78.4	47	62.6	1	8.82	12	0
2017	69.1	19	79.6	28	58.5	18	1.78	112	0
2016	70.3	11	81.9	8	58.7	16	1.70	115	0
2015	72	1	83.7	4	60.3	7	3.00	76	0
2014	67.8	44	79.6	28	55.9	64	1.23	123	0
2013	65.5	92	78.4	47	52.6	123	2.22	98	0
2012	68	38	79.3	32	56.6	49	2.99	77	0
2011	69.6	13	78.1	54	61	3	6.66	21	0
2010	69.9	12	82.2	7	57.6	31	4.48	48	0
2009	65.8	85	75.4	106	56.2	58	2.74	81	0
2008	68.3	27	79	36	57.3	40	8.54	13	1
2007	68.1	36	80	22	56.2	58	0.96	127	0
2006	65	103	74.9	114	55.2	80	6.26	24	0
2005	71.2	5	84	3	58.4	20	2.03	107	0
2004	68.1	36	78.3	51	58	25	7.20	17	0
2003	67.2	58	76.3	91	58.1	24	6.82	19	0
2002	67.8	44	79.8	26	55.8	68	4.93	42	0
2001	65.3	98	78.3	51	52.7	121	3.51	60	1
2000	65.1	99	76.3	91	53.9	106	4.30	51	0
1999	67.5	49	77.3	71	57.7	30	9.63	9	1
1998	68.2	30	80.6	19	55.7	70	2.62	84	0
1997	64.5	112	76.1	96	52.8	120	2.17	101	0
1996	66.8	66	76.3	91	57	45	5.20	37	1
1995	65.6	90	76.9	79	54.3	97	5.27	35	0
1994	65.1	99	76.1	96	54.1	102	0.36	132	0
1993	65.1	99	75.4	106	54.8	86	6.13	26	0
1992	64.9	105	75	113	54.7	89	2.52	88	0
1991	64.7	109	77.1	75	52.2	125	3.47	61	0
1990	63.8	119	75.1	112	52.4	124	2.14	103	0
1989	66.2	77	76.6	84	55.8	68	12.68	1	0
1988	64.6	110	76.2	95	52.9	118	4.59	46	0
1987	65.8	85	75.2	110	56.4	54	2.69	82	0
1986	64.2	115	74.6	120	53.9	106	2.23	96	1
1985	66.8	66	77.8	58	55.9	64	5.20	37	0
1984	62.8	129	75.5	104	50.1	132	2.75	80	0
1983	67.7	47	80.7	16	54.7	89	2.83	79	0
1982	65.4	94	76.5	85	54.4	93	2.61	85	0
1981	64.8	107	74.8	117	54.8	86	6.64	22	0
1980	68.9	22	81.3	13	56.6	49	1.44	120	1
1979	65.7	87	77	78	54.4	93	7.97	14	0
1978	63.4	125	74.9	114	51.9	129	2.33	91	0
1977	66.6	71	75.4	106	57.9	27	4.71	44	0
1976	64.6	110	75.7	103	53.5	112	1.40	122	0
1975	62.5	131	71.6	132	53.4	114	11.85	3	0
1974	65.1	99	74.6	120	55.7	70	5.54	32	0
1973	66.5	72	78	56	55	82	3.12	72	0
1972	67	61	77.6	65	56.4	54	0.87	128	0
1971	68.3	27	76.4	89	60.3	7	3.91	53	0
1970	68	38	79.1	34	56.8	48	3.71	56	0
1969	65.6	90	75.8	101	55.4	79	6.17	25	0
1968	67.5	49	78.5	44	56.5	52	2.32	92	0
1967	65.4	94	76.7	83	54.1	102	2.17	101	0
1966	64.8	107	74.1	122	55.5	75	10.96	4	0
1965	68.9	22	78.9	37	58.8	15	3.09	73	0
1964	67.9	42	79.9	25	55.9	64	2.86	78	0
1963	63.4	125	74.8	117	52.1	128	6.09	27	0
1962	63	128	73	129	53.1	116	4.46	49	0
1961	71.4	4	81.8	9	61.1	2	2.60	86	0
1960	66.7	68	76	99	57.4	38	7.84	16	0
1959	69.1	19	81.1	14	57	45	0.78	130	0
1958	65.9	82	77.6	65	54.2	100	1.78	112	0
1957	68.2	30	78.8	40	57.6	31	2.32	92	0
1956	63.8	119	74.1	122	53.5	112	3.19	69	0
1955	65.5	92	76.3	91	54.7	89	1.83	110	0
1954	66.2	77	76.5	85	56	61	5.66	30	0
1953	67.4	54	80.7	16	54.1	102	1.09	125	0
1952	66.9	63	78.9	37	54.9	84	3.36	65	0
1951	66.1	79	78.4	47	53.8	109	0.87	128	0
1950	63.3	127	71.5	134	55.2	80	1.76	114	0
1949	64.3	113	75.3	109	53.2	115	4.95	41	0
1948	66.9	63	79.1	34	54.7	89	1.69	117	0
1947	67.4	54	77.7	62	57.1	43	2.09	104	0
1946	68.2	30	79.7	27	56.6	49	3.35	66	0
1945	69.3	15	78.6	42	59.9	9	7.86	15	0
1944	67.9	42	77.6	65	58.2	21	12.63	2	0
1943	65.7	87	77.2	72	54.3	97	2.41	90	0
1942	66	81	76.5	85	55.5	75	5.54	32	0
1941	68.4	26	81.8	9	55	82	0.04	133	0
1940	64	116	75.2	110	52.7	121	4.72	43	0
1939	66.7	68	77.7	62	55.7	70	1.81	111	0
1938	63.8	119	73.7	126	53.8	109	10.28	7	0
1937	63.9	117	74.9	114	52.9	118	3.15	70	0
1936	67.2	58	76.9	79	57.6	31	4.50	47	0
1935	63.5	124	74	124	53	117	5.71	29	0
1934	67.5	49	75.9	100	59.1	12	9.13	10	0
1933	68.3	27	78	56	58.6	17	5.26	36	0
1932	66.7	68	77.8	58	55.6	74	3.46	62	0
1931	70.9	6	81.4	12	60.4	6	1.16	124	0
1930	70.4	10	81.8	9	59	13	1.43	121	0
1929	68	38	79.6	28	56.3	56	5.59	31	0
1928	63.6	123	72.8	130	54.4	93	4.46	49	0
1927	66.1	79	77.4	69	54.8	86	2.18	100	0
1926	65	103	73.8	125	56.1	60	7.09	18	0
1925	68.2	30	78.1	54	58.2	21	3.42	64	0
1924			72.5	131			5.18	39	5
1923	67.8	44	78.5	44	57.2	41	3.87	54	1
1922	66.4	73	77.8	58	54.9	84	1.70	115	0
1921	70.8	8	82.4	6	59.2	11	2.27	95	0
1920	67.1	60	77.1	75	57	45	2.23	96	0
1919	65.9	82	76.8	82	55.5	75	2.01	108	1
1918	62.8	129	73.3	127	52.2	125	3.15	70	0
1917	61.4	132	71.6	132	51.1	130	3.63	58	0
1916	65.7	87	77.4	69	53.9	106	2.53	87	1
1915	68.2	30	78.5	44	58	25	2.06	106	1
1914	64.3	113	77.6	65	50.9	131	0.41	131	0
1913	63.7	122	73.3	127	54.2	100	3.08	74	0
1912	65.9	82	75.8	101	56	61	3.45	63	1
1911	66.9	63	77.7	62	56.3	56	2.19	99	1
1910			80.7	16			3.59	59	5
1909	64.9	105	76.1	96	53.6	111	3.67	57	0
1908	65.4	94	76.9	79	54	105	1.98	109	0
1907	67	61	76.5	85	57.5	35	6.64	22	0
1906	68.9	22	80.4	21	57.5	35	3.05	75	0
1905	67.6	48	78.6	42	56.5	52	4.06	52	0
1904	66.4	73	77.2	72	55.5	75	5.35	34	0
1903	66.3	76	76.4	89	55.7	70	3.23	68	1
1902	65.4	94	74.8	117	56	61	5.75	28	0
1901	68.2	30	79.3	32	57.1	43	2.28	94	0
1900	71.7	2	82.8	5	60.5	5	3.77	55	0
1899	66.4	73	78.4	47	54.3	97	8.92	11	0
1898	70.9	6	84.1	2	57.6	31	1.53	118	0
1897	67.5	49	80.6	19	54.4	93	2.09	104	0
1896	67.3	56	78.7	41	55.9	64	5.02	40	0
1895	71.7	2	85.3	1	58.2	21			0
1894	69.3	15	80	22	58.5	18	10.85	6	0
1893	63.9	117	75.5	104	52.2	125	3.31	67	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	72
1900	71.7
1895	71.7
1961	71.4
2005	71.2
1931	70.9
1898	70.9
1921	70.8
2018	70.5
1930	70.4

Coldest
Year	Mean, °F
1917	61.4
1975	62.5
1984	62.8
1918	62.8
1962	63
1950	63.3
1978	63.4
1963	63.4
1935	63.5
1928	63.6

Wettest
Year	Precipitation, in
1989	12.68
1944	12.63
1975	11.85
1966	10.96
2023	10.93
1894	10.85
1938	10.28
2021	10.01
1999	9.63
1934	9.13

Driest
Year	Precipitation, in
1941	0.04
1994	0.36
1914	0.41
1959	0.78
1972	0.87
1951	0.87
2007	0.96
2024	1.06
1953	1.09
1931	1.16

The hottest, coldest and wettest days

Hottest day: 89°F; 11 September 2026, 4 September 2026, 2 September 2026
Coldest night: 49°F; 15 September 2026
Wettest day: 1.60 in; 27 September 2026

Every month, season and year

Months

Seasons

Years

New Brunswick, NJ the day's answers

All-time records

Every answer in words

September 2026 brought 6.70 in of precipitation in New Brunswick, NJ, the wettest September since 2023, 20th wettest of 133.
The hottest day of September 2026 in New Brunswick, NJ: 89°F on Friday 11 September 2026, Friday 4 September 2026 and Wednesday 2 September 2026.
The coldest night of September 2026 in New Brunswick, NJ: a low of 49°F on Tuesday 15 September 2026.
The wettest day of September 2026 in New Brunswick, NJ: 1.60 in on Sunday 27 September 2026.