Jacksonville, FL: September

30 September 2026: September 2026 averaged 79.6°F in Jacksonville, FL, the warmest September since 2024, tied 35th warmest of 155 (with 2005, 1993 and 1872).

September 2026

Mean temperature: 79.6°F; Warmest since 2024; 35th warmest of 155
Precipitation: 4.29 in; Driest since 2025; 37th driest of 155

A normal September in Jacksonville, FL (1991 to 2020): a mean temperature of 78.7°F, between 77°F and 79.7°F in eight years of ten and 6.58 in of precipitation, between 3.56 in and 13.03 in in eight years of ten.

The mean temperature of every September in Jacksonville, FL since 1872: 79.6°F in 2026; the highest is 83.3°F, in 1925.

Normal range, 77 to 79.7°F

Every year, ranked, as a table

Every September in Jacksonville, FL from 1871 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	79.6	35	88	32	71.1	65	4.29	119	0
2025	78.1	91	88	32	68.1	142	2.74	138	0
2024	79.7	32	86.8	62	72.7	30	13.53	16	0
2023	78.3	82	87.9	36	68.7	136	9.00	42	0
2022	78	99	86.7	63	69.3	127	5.53	93	0
2021	77.9	104	87.4	49	68.4	139	5.11	100	0
2020	78.8	69	86.5	71	71.1	65	9.25	39	0
2019	81.3	6	90.9	5	71.6	50	2.35	144	0
2018	82.4	2	91.1	1	73.7	9	3.41	129	0
2017	79	61	87.4	49	70.6	85	13.33	17	0
2016	79.1	55	88.8	17	69.4	123	4.36	117	0
2015	78.3	82	85.9	88	70.8	77	8.66	44	0
2014	77.7	111	85.6	101	69.8	111	9.80	32	0
2013	78.5	80	86.6	68	70.3	93	3.58	126	0
2012	78.3	82	87.2	54	69.4	123	6.59	74	0
2011	78.1	91	88.3	27	67.9	144	6.57	75	0
2010	79.1	55	88.8	17	69.5	118	5.11	100	0
2009	78.2	86	86.1	84	70.3	93	6.48	76	0
2008	77.9	104	86.2	81	69.5	118	5.84	87	0
2007	78.8	69	87.2	54	70.5	89	5.44	94	0
2006	78.7	74	88.3	27	69.1	130	4.55	112	0
2005	79.6	35	88.5	24	70.7	81	5.76	88	0
2004	79.1	55	85.6	101	72.5	31	16.31	9	0
2003	76.4	145	85.2	110	67.6	149	3.04	133	0
2002	80.2	22	87.6	46	72.8	27	9.31	38	0
2001	75.3	154	83.4	146	67.2	152	16.03	11	0
2000	77.6	116	84.8	121	70.5	89	11.64	21	0
1999	76.6	142	85.3	106	67.9	144	13.00	18	0
1998	78.8	69	85.6	101	72	41	7.65	59	0
1997	78.6	77	87.8	39	69.4	123	3.97	121	0
1996	77.4	123	86.9	60	67.9	144	8.49	48	0
1995	77.6	116	85.3	106	69.9	108	5.41	95	0
1994	77	135	85.8	92	68.2	141	9.79	33	0
1993	79.6	35	89.7	8	69.5	118	7.60	60	0
1992	78.9	65	86.9	60	70.9	71	7.33	64	0
1991	79.3	46	89	13	69.6	114	6.20	78	0
1990	79.5	39	91	3	67.9	144	2.60	140	0
1989	79.4	42	87.6	46	71.3	59	14.37	13	0
1988	79.4	42	87.4	49	71.4	55	16.36	8	0
1987	79.2	49	88.7	19	69.6	114	7.13	67	0
1986	79.7	32	89.1	11	70.2	101	1.99	147	0
1985	77.7	111	86.1	84	69.3	127	16.82	6	0
1984	75.3	154	83.2	148	67.5	150	12.28	20	0
1983	76.3	146	84.9	117	67.8	148	4.61	110	0
1982	77.6	116	86.7	63	68.5	138	9.32	37	0
1981	76	149	87.7	44	64.2	155	1.22	152	0
1980	80.8	14	91	3	70.7	81	3.03	134	0
1979	79.3	46	85.1	111	73.4	15	17.75	5	0
1978	77.7	111	86.7	63	68.8	134	4.40	114	0
1977	80.1	23	89.9	7	70.3	93	7.45	62	0
1976	76.8	140	85.3	106	68.3	140	8.56	47	0
1975	78.3	82	87.8	39	68.9	132	5.24	97	0
1974	78.1	91	86.5	71	69.8	111	8.13	55	0
1973	79.3	46	87.7	44	70.9	71	7.86	57	0
1972	78.1	91	88.9	14	67.3	151	2.60	140	0
1971	78.9	65	88.1	30	69.6	114	4.17	120	0
1970	81.3	6	90.5	6	72.2	36	3.20	131	0
1969	78.2	86	85.8	92	70.7	81	10.33	29	0
1968	79.2	49	87.2	54	71.1	65	2.68	139	0
1967	75.7	153	84.3	129	67	154	1.80	149	0
1966	78.2	86	86.2	81	70.2	101	5.94	84	0
1965	79.8	28	86.4	78	73.1	20	11.02	24	0
1964	77.9	104	85.7	97	70	107	10.31	30	0
1963	77.2	129	84.9	117	69.5	118	4.91	104	0
1962	79	61	87.4	49	70.6	85	4.37	116	0
1961	79.4	42	88.4	26	70.3	93	1.02	153	0
1960	79.7	32	87	59	72.4	34	8.57	46	0
1959	79	61	86.5	71	71.5	52	5.67	90	0
1958	80	25	88.9	14	71	69	4.75	108	0
1957	81.2	8	89.6	9	72.8	27	8.33	53	0
1956	76.6	142	86	87	67.1	153	2.89	135	0
1955	80.5	16	88	32	73	23	6.70	71	0
1954	80.3	19	87.8	39	72.9	25	8.48	50	0
1953	78	99	84.1	133	71.9	43	10.17	31	0
1952	77.7	111	83.9	136	71.5	52	7.53	61	0
1951	80.5	16	88	32	73	23	6.19	79	0
1950	78.2	86	85.1	111	71.4	55	17.98	4	0
1949	79.1	55	86.3	79	71.9	43	11.42	22	0
1948	78.2	86	84.8	121	71.7	45	6.79	70	0
1947	78.8	69	85.9	88	71.7	45	15.80	12	0
1946	77.6	116	84.1	133	71.2	60	3.26	130	0
1945	81.2	8	88.6	21	73.9	6	14.27	14	0
1944	80.9	12	88.6	21	73.2	17	5.61	92	0
1943	77.5	120	84.5	124	70.4	91	7.07	68	0
1942	79.2	49	87.5	48	70.9	71	8.47	51	0
1941	79.5	39	86.5	71	72.5	31	9.35	36	0
1940	75.8	151	83.6	143	68	143	2.87	136	0
1939	80.8	14	88.7	19	72.9	25	5.89	86	0
1938	77.9	104	85.7	97	70.1	105	5.91	85	0
1937	78.1	91	85	113	71.2	60	7.87	56	0
1936	80.3	19	87.9	36	72.8	27	1.61	151	0
1935	78	99	84.5	124	71.6	50	9.15	41	0
1934	79.2	49	86.7	63	71.7	45	1.99	147	0
1933	82.1	3	89.1	11	75.1	2	3.76	122	0
1932	78	99	83.8	139	72.1	39	6.61	73	0
1931	80	25	86.6	68	73.4	15	0.07	155	0
1930	81	10	87.9	36	74.1	4	3.62	125	0
1929	77.2	129	82.7	151	71.7	45	8.58	45	0
1928	77.5	120	83.8	139	71.2	60	9.25	39	0
1927	78.5	80	85.8	92	71.2	60	2.39	143	0
1926	79.2	49	85.4	104	73.1	20	9.55	34	0
1925	83.3	1	91.1	1	75.4	1	2.41	142	0
1924	77.2	129	82.9	149	71.4	55	8.88	43	0
1923	78.6	77	85	113	72.2	36	4.89	106	0
1922	76.9	136	82.9	149	70.8	77	6.70	71	0
1921	81.5	4	88.9	14	74.2	3	1.73	150	0
1920	78.8	69	85.9	88	71.7	45	7.14	66	0
1919	77.3	125	82.6	152	72.1	39	5.63	91	0
1918	75.8	151	82.6	152	68.9	132	6.17	81	0
1917	75.9	150	81.6	155	70.2	101	3.47	127	0
1916	76.8	140	83.3	147	70.2	101	5.25	96	0
1915	79.8	28	86.5	71	73.2	17	8.41	52	0
1914	77.3	125	84.2	131	70.3	93	6.39	77	0
1913	77.3	125	85	113	69.6	114	3.74	123	0
1912	81	10	88.1	30	73.9	6	7.69	58	0
1911	81.5	4	89.5	10	73.5	13	0.90	154	0
1910	78.7	74	86.2	81	71.1	65	3.12	132	0
1909	77.1	134	83.8	139	70.3	93	4.98	103	0
1908	76.3	146	82.3	154	70.3	93	21.79	1	0
1907	79	61	85.8	92	72.2	36	10.44	28	0
1906	80.1	23	86.5	71	73.7	9	2.29	145	0
1905	79.8	28	86.1	84	73.6	11	6.18	80	0
1904	78.1	91	85.7	97	70.4	91	6.09	82	0
1903	76.9	136	83.6	143	70.1	105	2.80	137	0
1902	77.4	123	84	135	70.9	71	12.78	19	0
1901	78	99	84.5	124	71.5	52	7.38	63	0
1900	80.4	18	88.2	29	72.5	31	4.33	118	0
1899	77.5	120	85.9	88	69	131	5.10	102	0
1898	79.8	28	86.5	71	73.1	20	3.46	128	0
1897	76.3	146	83.9	136	68.7	136	16.23	10	0
1896	79.2	49	87.8	39	70.6	85	2.19	146	0
1895	79.1	55	87.4	49	70.8	77	4.66	109	0
1894	78.7	74	86.7	63	70.6	85	16.63	7	0
1893	78.9	65	87.1	58	70.7	81	6.09	82	0
1892	76.9	136	83.9	136	69.8	111	14.04	15	0
1891	77.7	111	85	113	70.3	93	10.83	25	0
1890	79.1	55	87.2	54	71	69	4.88	107	0
1889	78.1	91	86.3	79	69.9	108	8.49	48	0
1888	76.9	136	84.5	124	69.4	123	11.15	23	0
1887	76.5	144	84.2	131	68.8	134	4.91	104	0
1886	79.4	42	85.3	106	73.5	13	9.40	35	0
1885	79.5	39	85.8	92	73.2	17	19.63	3	0
1884	77.8	109	84.9	117	70.8	77	5.68	89	0
1883	77.2	129	84.5	124	69.9	108	7.28	65	0
1882	78.6	77	85.7	97	71.4	55	4.39	115	0
1881	80.9	12	87.8	39	74	5	4.58	111	0
1880	77.8	109	84.6	123	70.9	71	5.21	98	0
1879	77.3	125	83.6	143	70.9	71	8.24	54	0
1878	78.1	91	83.8	139	72.3	35	21.12	2	0
1877	80.3	19	88.5	24	72	41	5.15	99	0
1876	79.9	27	88.6	21	71.2	60	3.73	124	0
1875	77.9	104	86.6	68	69.2	129	4.50	113	0
1874	77.2	129	84.9	117	69.5	118	7.07	68	0
1873	78.9	65	84.3	129	73.6	11	10.47	27	0
1872	79.6	35	85.4	104	73.8	8	10.79	26	0
1871									11

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1925	83.3
2018	82.4
1933	82.1
1921	81.5
1911	81.5
2019	81.3
1970	81.3
1957	81.2
1945	81.2
1930	81
More years share the last value

Coldest
Year	Mean, °F
2001	75.3
1984	75.3
1967	75.7
1940	75.8
1918	75.8
1917	75.9
1981	76
1983	76.3
1908	76.3
1897	76.3

Wettest
Year	Precipitation, in
1908	21.79
1878	21.12
1885	19.63
1950	17.98
1979	17.75
1985	16.82
1894	16.63
1988	16.36
2004	16.31
1897	16.23

Driest
Year	Precipitation, in
1931	0.07
1911	0.90
1961	1.02
1981	1.22
1936	1.61
1921	1.73
1967	1.80
1986	1.99
1934	1.99
1896	2.19

The hottest, coldest and wettest days

Hottest day: 94°F; 14 September 2026
Coldest night: 55°F; 26 September 2026
Wettest day: 1.05 in; 15 September 2026

Every month, season and year

Months

Seasons

Years

Jacksonville, FL the day's answers

All-time records

Every answer in words

September 2026 brought 4.29 in of precipitation in Jacksonville, FL, the driest September since 2025, 37th driest of 155.
The hottest day of September 2026 in Jacksonville, FL: 94°F on Monday 14 September 2026.
The coldest night of September 2026 in Jacksonville, FL: a low of 55°F on Saturday 26 September 2026.
The wettest day of September 2026 in Jacksonville, FL: 1.05 in on Tuesday 15 September 2026.