Key West, FL: Fall

9 October 2026: Fall 2026 so far averaged 84°F in Key West, FL, the warmest 1 September to 9 October since 2024, tied 15th warmest of 152 (with 2019, 1978 and 1877).

Fall 2026 so far, to 9 October 2026

Mean temperature: 84°F; Warmest since 2024; 15th warmest of 152
Precipitation: 12.02 in; Wettest since 2022; 23rd wettest of 156

A normal 1 September to 9 October in Key West, FL (1991 to 2020): a mean temperature of 83.3°F, between 82.3°F and 84.8°F in eight years of ten and 7.96 in of precipitation, between 5.91 in and 12.38 in in eight years of ten.

The mean temperature of every 1 September to 9 October in Key West, FL since 1872: 84°F in 2026; the highest is 85.7°F, in 2024.

Normal range, 82.3 to 84.8°F

Every year, ranked, as a table

Every 1 September to 9 October in Key West, 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	84	15	88.4	30	79.7	9	12.02	23	0
2025	83.7	23	88.3	35	79.1	20	11.00	33	0
2024	85.7	1	89.9	5	81.6	1	5.54	120	0
2023	85.3	4	90.2	2	80.4	4	10.04	42	0
2022	82.9	52	87.8	63	78	58	12.09	22	0
2021	83.6	27	87.9	54	79.3	16	2.73	151	0
2020	85.5	2	89.6	10	81.3	2	14.16	14	0
2019	84	15	88.3	35	79.6	13	6.30	107	0
2018	85.4	3	89.8	6	81.1	3	7.95	72	0
2017	84.3	11	88.6	26	80	7	12.18	21	0
2016	84.1	13	88.8	21	79.3	16	8.71	60	0
2015	84.4	9	88.4	30	80.4	4	6.33	106	0
2014	83.5	28	87.9	54	79.1	20	5.93	116	0
2013	82.8	65	87.1	103	78.6	30	5.72	117	0
2012	82.4	88	86.8	115	78	58	7.11	88	0
2011	84.1	13	88.4	30	79.7	9	8.98	55	0
2010	82.7	69	86.9	111	78.4	39	8.92	58	0
2009	84.7	8	89.7	8	79.8	8	5.31	126	0
2008	82.1	107	86.3	130	77.9	61	9.75	45	0
2007	84.8	6	89.8	6	79.7	9	10.42	37	0
2006	83.2	40	88	50	78.4	39	7.54	79	0
2005	83.2	40	88.1	43	78.4	39	7.96	71	0
2004	82.4	88	86.8	115	77.9	61	6.64	100	0
2003	84.8	6	89.3	12	80.3	6	5.96	114	0
2002	83.8	21	88.1	43	79.5	14	9.69	47	0
2001	81.6	122	86.5	123	76.7	119	11.50	27	0
2000	83.3	34	88.3	35	78.4	39	10.06	41	0
1999	83	45	88.2	40	77.9	61	9.84	43	0
1998			88	50			3.42	147	4
1997	81.5	126	86.6	122	76.4	130	7.05	90	0
1996	82.7	69	87.7	67	77.7	74	15.19	8	0
1995	83.9	19	89.6	10	78.1	55	7.37	83	0
1994	82.4	88	87.2	99	77.5	80	15.07	9	0
1993	83.1	43	88.1	43	78.2	49	8.66	61	0
1992	82.6	80	87.6	73	77.5	80	7.79	76	0
1991	83.8	21	89.1	14	78.4	39	6.65	99	0
1990	83.5	28	89	15	78	58	9.14	54	0
1989	84.9	5	90.2	2	79.5	14	4.85	130	0
1988	83.3	34	88.4	30	78.2	49	4.08	138	0
1987	83.4	31	89	15	77.9	61	9.58	51	0
1986	83.5	28	88.3	35	78.7	28	4.68	133	0
1985	82.2	104	86.9	111	77.5	80	6.87	93	0
1984	80.9	143	84.3	152	77.6	77	8.13	68	0
1983	82.3	98	86.5	123	78.2	49	2.25	156	0
1982	82.3	98	87.2	99	77.4	86	6.77	95	0
1981	82.9	52	87.4	90	78.5	34	6.71	96	0
1980	83.9	19	88.1	43	79.7	9	6.66	98	0
1979	83.2	40	87.6	73	78.8	26	3.32	148	0
1978	84	15	88.8	21	79.3	16	3.69	145	0
1977	83	45	87.5	80	78.6	30	3.72	144	0
1976	83	45	87.8	63	78.2	49	4.91	128	0
1975	82.9	52	87.9	54	77.9	61	7.45	80	0
1974	83.3	34	87.6	73	79	24	4.00	140	0
1973	82.9	52	87.3	94	78.5	34	4.97	127	0
1972	82.7	69	87.5	80	77.9	61	9.28	53	0
1971	82.8	65	87	107	78.6	30	5.70	118	0
1970	81.6	122	86.1	137	77	103	5.61	119	0
1969	82.6	80	86.7	119	78.6	30	13.79	15	0
1968	83.1	43	87.9	54	78.2	49	8.29	66	0
1967	82.9	52	87.3	94	78.5	34	9.79	44	0
1966	82.8	65	87.5	80	78.1	55	13.02	17	0
1965	83.4	31	87.6	73	79.2	19	10.59	36	0
1964	83	45	87.7	67	78.3	45	4.59	136	0
1963	83	45	88.1	43	77.9	61	20.08	2	0
1962	83.3	34	88.9	18	77.7	74	7.59	78	0
1961	82.7	69	87.6	73	77.8	72	2.48	153	0
1960	82.4	88	87.5	80	77.3	89	11.07	31	0
1959	82.7	69	87.9	54	77.5	80	8.78	59	0
1958	82.9	52	88.2	40	77.6	77	9.71	46	0
1957	83.3	34	90.1	4	76.5	127	7.38	82	0
1956	82.4	88	88.9	18	75.8	147	11.21	28	0
1955	82.9	52	89.7	8	76.2	134	4.77	132	0
1954	82.4	88	88.9	18	75.9	141	6.64	100	0
1953	82.9	52	88.8	21	76.9	107	15.30	7	0
1952	82.7	69	88.4	30	77	103	7.34	84	0
1951	84.4	9	90.5	1	78.3	45	6.11	110	0
1950	82	112	87.9	54	76.2	134	14.63	10	0
1949	82.5	85	87.9	54	77.1	96	8.21	67	0
1948	82.4	88	87.5	80	77.3	89	19.41	3	0
1947	81.5	126	86.4	126	76.6	124	14.29	13	0
1946	82.4	88	87.5	80	77.3	89	6.02	112	0
1945	82.1	107	87.1	103	77.1	96	10.94	34	0
1944	83.7	23	88.6	26	78.7	28	5.96	114	0
1943	83.3	34	88.1	43	78.5	34	9.69	47	0
1942	82.8	65	87.7	67	77.8	72	2.88	150	0
1941	82.9	52	88.2	40	77.5	80	6.03	111	0
1940	80.8	146	86	139	75.7	149	13.63	16	0
1939	82.9	52	88.8	21	77	103	3.86	143	0
1938	82.1	107	87.4	90	76.9	107	3.94	141	0
1937	82.1	107	87.5	80	76.8	115	10.64	35	0
1936	82.9	52	88.5	29	77.3	89	6.15	109	0
1935	81.8	117	87.1	103	76.6	124	10.18	40	0
1934	82.4	88	88	50	76.9	107	7.80	75	0
1933	81.7	120	86.7	119	76.8	115	19.27	4	0
1932	82.9	52	87.7	67	78.2	49	5.39	125	0
1931	81.8	117	86.9	111	76.7	119	11.92	24	0
1930	82.6	80	87.2	99	77.9	61	3.21	149	0
1929	81.3	132	86.2	134	76.5	127	7.97	70	0
1928	82	112	87.5	80	76.6	124	9.66	49	0
1927	82.2	104	88.1	43	76.4	130	7.08	89	0
1926	82.7	69	87.7	67	77.7	74	2.65	152	0
1925	82.4	88	87.8	63	76.9	107	6.63	102	0
1924	82.3	98	87.6	73	77.1	96	7.72	77	0
1923	82.2	104	87.4	90	77.1	96	5.51	122	0
1922	82.3	98	87.5	80	77.1	96	7.00	91	0
1921	81.9	115	86.9	111	76.8	115	6.50	103	0
1920	80.9	143	85.8	144	75.9	141	12.35	19	0
1919	82.6	80	87.3	94	77.9	61	14.37	12	0
1918	82.3	98	87.5	80	77	103	4.68	133	0
1917	81	141	86.1	137	76	140	10.34	38	0
1916	81.3	132	86.7	119	75.9	141	6.93	92	0
1915	82.7	69	87.9	54	77.4	86	7.87	74	0
1914	81.1	137	86.4	126	75.9	141	9.65	50	0
1913	81.3	132	86.2	134	76.4	130	6.23	108	0
1912	82.7	69	87.3	94	78.1	55	4.83	131	0
1911	82.5	85	88	50	77.1	96	2.28	155	0
1910	80.9	143	86	139	75.9	141	8.97	57	0
1909	80.2	151	85.5	147	74.9	152	7.92	73	0
1908	81.3	132	86.8	115	75.9	141	11.05	32	0
1907	82.5	85	87.8	63	77.2	94	8.51	64	0
1906	82.7	69	87.4	90	77.9	61	5.54	120	0
1905	82.1	107	87	107	77.2	94	9.34	52	0
1904	81.9	115	87	107	76.7	119	4.01	139	0
1903	81.5	126	86.8	115	76.2	134	3.94	141	0
1902	83	45	87.7	67	78.4	39	3.69	145	0
1901	81.3	132	85.6	145	76.9	107	7.28	85	0
1900	81.1	137	85.5	147	76.7	119	12.25	20	0
1899	81.8	117	86.3	130	77.4	86	7.19	86	0
1898	81.6	122	86.2	134	76.9	107	6.80	94	0
1897	80.1	152	84	153	76.2	134	11.10	30	0
1896	81.4	129	85.5	147	77.3	89	5.41	124	0
1895	81.6	122	86.4	126	76.8	115	4.90	129	0
1894	81.1	137	86	139	76.1	139	22.56	1	0
1893	82.3	98	87.1	103	77.5	80	2.38	154	0
1892	81.4	129	86.4	126	76.4	130	6.46	105	0
1891	80.6	147	85.9	143	75.2	151	14.43	11	0
1890	80.6	147	86.3	130	74.9	152	17.00	5	0
1889	80.6	147	85.6	145	75.7	149	16.96	6	0
1888	81	141	85.1	151	76.9	107	6.70	97	0
1887	80.5	150	85.2	150	75.8	147	11.11	29	0
1886					76.7	119	8.52	63	30
1885	83.7	23	88.8	21	78.5	34	8.55	62	0
1884	82	112	87	107	77.1	96	8.98	55	0
1883	83.4	31	88.6	26	78.3	45	5.47	123	0
1882	81.7	120	86.5	123	76.9	107	10.24	39	0
1881	82.7	69	87.9	54	77.6	77	11.70	25	0
1880	83.7	23	88.3	35	79.1	20	4.62	135	1
1879	82.6	80	87.3	94	77.9	61	12.54	18	0
1878	83	45	87.2	99	78.8	26	8.37	65	1
1877	84	15	89	15	79	24	8.08	69	0
1876							6.02	112	7
1875	82.9	52	87.6	73	78.3	45	11.57	26	0
1874	81.1	137	86	139	76.2	134	7.42	81	0
1873	81.4	129	86.3	130	76.5	127	7.19	86	0
1872	84.2	12	89.3	12	79.1	20	4.50	137	0
1871							6.47	104	39

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	85.7
2020	85.5
2018	85.4
2023	85.3
1989	84.9
2007	84.8
2003	84.8
2009	84.7
2015	84.4
1951	84.4

Coldest
Year	Mean, °F
1897	80.1
1909	80.2
1887	80.5
1891	80.6
1890	80.6
1889	80.6
1940	80.8
1984	80.9
1920	80.9
1910	80.9

Wettest
Year	Precipitation, in
1894	22.56
1963	20.08
1948	19.41
1933	19.27
1890	17.00
1889	16.96
1953	15.30
1996	15.19
1994	15.07
1950	14.63

Driest
Year	Precipitation, in
1983	2.25
1911	2.28
1893	2.38
1961	2.48
1926	2.65
2021	2.73
1942	2.88
1930	3.21
1979	3.32
1998	3.42

The hottest, coldest and wettest days

Hottest day: 94°F; 12 September 2026
Coldest night: 72°F; 29 September 2026
Wettest day: 3.64 in; 1 October 2026

Every month, season and year

Months

Seasons

Years

Key West, FL the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 12.02 in of precipitation in Key West, FL, the wettest 1 September to 9 October since 2022, 23rd wettest of 156.
The hottest day of fall 2026 so far in Key West, FL: 94°F on Saturday 12 September 2026.
The coldest night of fall 2026 so far in Key West, FL: a low of 72°F on Tuesday 29 September 2026.
The wettest day of fall 2026 so far in Key West, FL: 3.64 in on Thursday 1 October 2026.