Atlantic City, NJ: September

30 September 2026: September 2026 averaged 70.3°F in Atlantic City, NJ, the warmest September since 2019, 9th warmest of 84.

September 2026

Mean temperature: 70.3°F; Warmest since 2019; 9th warmest of 84
Precipitation: 5.85 in; Wettest since 2023; 8th wettest of 84

A normal September in Atlantic City, NJ (1991 to 2020): a mean temperature of 68°F, between 65.2°F and 71°F in eight years of ten and 3.49 in of precipitation, between 1.27 in and 5.87 in in eight years of ten.

The mean temperature of every September in Atlantic City, NJ since 1943: 70.3°F in 2026; the highest is 73.3°F, in 2018 and 1961.

Normal range, 65.2 to 71°F

Every year, ranked, as a table

Every September in Atlantic City, NJ from 1943 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	70.3	9	77.7	30	62.8	3	5.85	8	0
2025	69.1	19	78.1	25	60.1	15	4.36	20	0
2024	68.4	24	77.4	37	59.4	23	0.56	79	0
2023	69.6	14	78.7	19	60.6	12	7.27	2	0
2022	68.2	28	78.2	22	58.2	34	3.51	34	0
2021	70.1	10	79.4	13	60.8	10	3.93	26	0
2020	67.9	34	76.8	47	58.9	28	5.82	9	0
2019	70.9	7	81.7	5	60	16	1.37	68	0
2018	73.3	1	80.2	9	66.3	1	8.54	1	0
2017	69.9	12	78.8	18	61	8	4.05	24	0
2016	71	5	80.2	9	61.8	6	5.29	12	0
2015	71.6	3	82.3	3	60.9	9	1.60	62	0
2014	67.8	38	77.6	31	58	37	3.52	32	0
2013	64.6	74	76.7	49	52.4	82	1.18	76	0
2012	67.4	44	77.6	31	57.3	47	3.52	32	0
2011	70.6	8	79	17	62.2	4	2.95	47	0
2010	71	5	81.8	4	60.2	14	3.45	36	0
2009	66.4	53	75.2	70	57.5	43	6.94	3	0
2008	69	20	78.4	21	59.6	20	5.30	11	0
2007	68.9	21	80.5	6	57.4	45	1.37	68	0
2006	65.9	59	75.3	66	56.6	52	6.32	4	0
2005	71.3	4	83.6	1	58.9	28	0.53	80	0
2004	68.1	30	77.8	28	58.4	31	2.30	53	0
2003	68.3	26	77.4	37	59.3	24	2.94	49	0
2002	68	32	78.5	20	57.5	43	3.30	39	0
2001	65.5	65	77.2	40	53.8	73	1.28	73	0
2000	65	71	75	71	55	68	4.19	23	0
1999	68.1	30	76.6	50	59.5	22	4.91	16	0
1998	69.2	18	80.5	6	58	37	0.49	81	0
1997	65.2	69	75.7	63	54.6	71	1.55	64	0
1996	67.8	38	77.4	37	58.1	35	5.82	9	0
1995	66.4	53	76.9	46	56	62	3.89	27	0
1994	64.2	78	75.9	59	52.6	81	3.78	28	0
1993	67	48	76.5	52	57.4	45	2.67	50	0
1992	66	57	75.4	64	56.7	51	5.04	14	0
1991	65.4	67	78	27	52.8	80	2.62	51	0
1990	64.5	76	75.9	59	53	79	1.91	57	0
1989	67.3	45	78.2	22	56.3	57	5.92	6	0
1988	64.2	78	75.4	64	53.1	78	3.07	42	0
1987	66.8	50	76.4	54	57.2	48	3.51	34	0
1986	66.2	56	76.1	56	56.4	54	2.39	52	0
1985	68.4	24	79.7	11	57.1	49	2.26	54	0
1984	65.9	59	77.5	35	54.3	72	1.31	72	0
1983	67.9	34	79.4	13	56.4	54	2.22	55	0
1982	64.8	73	74.7	74	54.8	70	1.34	71	0
1981	67.6	40	77.2	40	57.9	40	1.96	56	0
1980	67.9	34	79.3	15	56.5	53	1.74	60	0
1979	65.6	63	74.9	73	56.2	59	3.32	38	0
1978	63.4	81	74.6	75	52.1	83	1.51	65	0
1977	69.5	15	78.1	25	60.8	10	2.97	46	0
1976	64.9	72	76.1	56	53.6	74	3.06	43	0
1975	62.8	83	72.2	83	53.3	76	5.16	13	0
1974	65.8	62	75.3	66	56.4	54	2.95	47	0
1973	66.4	53	77	45	55.8	64	4.73	17	0
1972	68.2	28	77.2	40	59.1	26	3.66	31	0
1971	67.5	42	75.3	66	59.6	20	4.39	19	0
1970	69.3	17	80.4	8	58.3	33	0.41	84	0
1969	65.4	67	77.5	35	53.4	75	1.65	61	0
1968	66.5	51	79.6	12	53.3	76	0.43	83	0
1967	61.1	84	73.4	80	48.9	84	1.50	66	0
1966	65.2	69	74.2	77	56.1	61	6.27	5	0
1965	68	32	78.2	22	57.8	41	1.60	62	0
1964	67.6	40	77.1	44	58	37	5.91	7	0
1963	63.9	80	72.8	82	54.9	69	4.35	21	0
1962	64.6	74	73.9	79	55.3	66	3.09	41	0
1961	73.3	1	82.9	2	63.8	2	3.36	37	0
1960	67.9	34	76.5	52	59.3	24	4.03	25	0
1959	69.7	13	79.1	16	60.3	13	1.48	67	0
1958	65.9	59	76.4	54	55.5	65	3.71	30	0
1957	69.4	16	77.6	31	61.1	7	3.00	44	0
1956	65.6	63	74	78	57.1	49	3.30	39	0
1955	66.5	51	74.6	75	58.4	31	1.25	74	0
1954	68.3	26	76.6	50	59.9	18	4.53	18	0
1953	68.5	23	77.8	28	59.1	26	0.46	82	0
1952	67.2	46	76.8	47	57.6	42	1.36	70	0
1951	67.1	47	76.1	56	58.1	35	3.75	29	0
1950	63.4	81	70.5	84	56.3	57	4.32	22	0
1949	64.5	76	73	81	56	62	1.86	58	0
1948	66	57	75.8	61	56.2	59	1.09	77	0
1947	67	48	75.3	66	58.7	30	0.99	78	0
1946	68.6	22	77.2	40	59.9	18	1.21	75	0
1945	70	11	77.6	31	62.2	4	1.83	59	2
1944	67.5	42	75	71	60	16	4.93	15	0
1943	65.5	65	75.8	61	55.1	67	3.00	44	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2018	73.3
1961	73.3
2015	71.6
2005	71.3
2016	71
2010	71
2019	70.9
2011	70.6
2026	70.3
2021	70.1

Coldest
Year	Mean, °F
1967	61.1
1975	62.8
1978	63.4
1950	63.4
1963	63.9
1994	64.2
1988	64.2
1990	64.5
1949	64.5
2013	64.6
More years share the last value

Wettest
Year	Precipitation, in
2018	8.54
2023	7.27
2009	6.94
2006	6.32
1966	6.27
1989	5.92
1964	5.91
2026	5.85
2020	5.82
1996	5.82

Driest
Year	Precipitation, in
1970	0.41
1968	0.43
1953	0.46
1998	0.49
2005	0.53
2024	0.56
1947	0.99
1948	1.09
2013	1.18
1946	1.21

The hottest, coldest and wettest days

Hottest day: 90°F; 4 September 2026, 1 September 2026
Coldest night: 53°F; 15 September 2026
Wettest day: 2.54 in; 27 September 2026

Every month, season and year

Months

Seasons

Years

Atlantic City, NJ the day's answers

All-time records

Every answer in words

September 2026 brought 5.85 in of precipitation in Atlantic City, NJ, the wettest September since 2023, 8th wettest of 84.
The hottest day of September 2026 in Atlantic City, NJ: 90°F on Friday 4 September 2026 and Tuesday 1 September 2026.
The coldest night of September 2026 in Atlantic City, NJ: a low of 53°F on Tuesday 15 September 2026.
The wettest day of September 2026 in Atlantic City, NJ: 2.54 in on Sunday 27 September 2026.