Galveston, TX: September

30 September 2026: September 2026 averaged 85.1°F in Galveston, TX, the warmest September since 2023 (2025 excluded: 17 of 30 days missing), 3rd warmest of 150.

September 2026

Mean temperature: 85.1°F; Warmest since 2023; 3rd warmest of 150
Precipitation: 3.71 in; Driest since 2023; 61st driest of 155

A normal September in Galveston, TX (1991 to 2020): a mean temperature of 81.8°F, between 80.3°F and 84.2°F in eight years of ten and 5.56 in of precipitation, between 1.95 in and 11.46 in in eight years of ten.

The mean temperature of every September in Galveston, TX since 1874: 85.1°F in 2026; the highest is 86°F, in 2019.

Normal range, 80.3 to 84.2°F

Every year, ranked, as a table

Every September in Galveston, TX 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	85.1	3	90.2	5	80	2	3.71	95	0
2025									17
2024	82.2	27	87.8	19	76.6	49	8.79	28	0
2023	85.7	2	91.5	1	79.9	3	2.01	129	0
2022	83.5	11	89.1	6	77.9	18	2.80	114	0
2021	83	17	88.5	12	77.4	25	6.40	54	0
2020	83.2	13	88.4	14	78	17	4.01	90	0
2019	86	1	91.2	3	80.8	1	18.06	5	0
2018	81.7	34	86.1	48	77.3	26	24.32	2	0
2017	83.2	13	88.7	11	77.8	20	0.32	153	0
2016	84	7	89.1	6	78.9	10	1.96	131	0
2015	81.9	30	86.9	31	76.9	39	11.13	19	0
2014	81.6	37	86.2	45	76.9	39	6.11	57	0
2013	82.8	20	87.9	16	77.7	22	5.06	70	0
2012	82.1	28	87.3	26	76.9	39	5.63	60	0
2011	82.6	23	88.9	10	76.3	58	1.70	138	0
2010	82.6	23	87.9	16	77.3	26	4.60	80	0
2009	80.4	79	85.8	54	74.9	95	5.24	66	0
2008							8.48	29	19
2007	83	17	88.4	14	77.7	22	8.15	32	0
2006	81.5	40	87.2	27	75.7	69	6.41	53	0
2005	84.8	4	90.8	4	78.9	10	1.91	132	3
2004	83	17	89	9	76.9	39	2.44	121	0
2003	79.9	94	85.3	69	74.5	110	6.89	47	1
2002	80.8	60	86.1	48	75.5	78	11.38	18	0
2001	79.4	112	84.8	84	73.9	121	6.58	51	0
2000	80.8	60	87.8	19	73.9	121	6.28	56	0
1999	80.4	79	87	29	73.8	126	3.95	92	0
1998	83.6	9	88.5	12	78.8	12	12.14	13	0
1997							6.36	55	5
1996	80.8	60	87.6	23	73.9	121	7.22	39	0
1995	84.6	5	91.4	2	76.9	39	3.48	104	2
1994	80.9	56	86.2	45	75.6	75	4.44	82	0
1993	81.6	37	86.7	34	76.4	56	4.88	74	0
1992	80.6	69	85.2	74	76	62	4.16	87	0
1991	79.3	116	83.9	118	74.7	101	5.50	62	0
1990	81.9	30	86.9	31	77	36	7.16	41	0
1989	79	122	84.2	110	73.7	127	1.32	142	0
1988	81	54	85.2	74	76.7	46	9.82	25	0
1987	80.8	60	85.7	58	75.9	65	4.47	81	0
1986	83.1	16	87	29	79.2	6	2.98	110	0
1985	79.9	94	84	115	75.8	66	2.93	111	0
1984	76.8	147	81.1	148	72.4	143	4.97	72	0
1983	79.2	117	84.8	84	73.6	130	11.58	16	0
1982	81	54	85.8	54	76.1	60	1.29	143	0
1981	80.3	81	85.1	77	75.6	75	2.49	120	0
1980	82.8	20	87.4	24	78.2	16	5.05	71	0
1979	76	149	80.9	149	71.1	149	10.86	21	0
1978	81.4	45	85.7	58	77.1	33	3.55	101	0
1977	81.3	48	85.6	62	77.1	33	4.91	73	0
1976	79.7	103	84.4	102	74.9	95	8.27	31	0
1975	77.4	143	82.1	142	72.6	142	4.61	79	0
1974	76	149	80.9	149	71	150	3.31	106	0
1973	80.6	69	84.7	89	76.5	52	6.80	49	0
1972	82.8	20	87.1	28	78.5	14	7.85	34	0
1971	79.8	99	84	115	75.5	78	10.21	22	0
1970	79.9	94	83.9	118	76	62	14.31	9	0
1969	81.2	50	85.6	62	76.8	44	0.28	154	0
1968	79	122	83.8	121	74.2	115	3.95	92	0
1967	77.8	139	82	143	73.6	130	2.21	125	0
1966	79.2	117	84.1	114	74.2	115	7.99	33	0
1965	80.6	69	85.5	64	75.8	66	4.02	89	0
1964	80.5	76	84.5	101	76.4	56	4.38	84	0
1963	80	91	84.7	89	75.3	88	9.30	26	0
1962	81.7	34	86.4	39	77	36	1.59	139	0
1961	78.8	126	82.9	130	74.6	107	15.41	6	0
1960	79.7	103	84.8	84	74.6	107	1.21	144	0
1959	81.1	52	85.1	77	77.1	33	3.62	99	0
1958	79.5	109	84.3	107	74.7	101	13.77	11	0
1957	78.1	133	82.5	136	73.6	130	5.62	61	0
1956	80.8	60	86.2	45	75.4	85	1.84	136	0
1955	81.5	40	85.1	77	77.9	18	3.49	103	0
1954	81.9	30	86.7	34	77	36	2.87	112	0
1953	80.9	56	86.9	31	74.9	95	0.56	151	0
1952	79	122	83.9	118	74.1	120	0.98	147	0
1951	80	91	85.3	69	74.8	99	11.64	15	0
1950	80.1	87	84.8	84	75.4	85	5.08	68	0
1949	80.6	69	84.9	82	76.2	59	1.21	144	0
1948	78	134	82.5	136	73.5	133	4.83	75	0
1947	80.9	56	86.3	42	75.5	78	1.48	140	0
1946	79.6	108	83.7	123	75.5	78	11.55	17	0
1945	81.7	34	86.1	48	77.3	26	6.95	46	0
1944	80.8	60	85.5	64	76.1	60	4.21	86	0
1943	76.8	147	81.3	147	72.3	144	6.49	52	0
1942	78.2	131	82.9	130	73.5	133	1.86	133	0
1941	80.7	67	84.6	97	76.8	44	15.32	7	0
1940	77.7	141	82.5	136	72.9	140	6.87	48	0
1939	80.8	60	85.5	64	76	62	3.28	107	0
1938	80.3	81	85.3	69	75.2	91	7.13	42	0
1937	80.7	67	85.8	54	75.5	78	6.10	58	0
1936	81.6	37	86	51	77.3	26	4.10	88	0
1935	78.9	125	83.2	126	74.5	110	7.40	37	0
1934	79.9	94	84.2	110	75.5	78	3.04	109	0
1933	83.8	8	87.9	16	79.7	4	3.65	98	0
1932	80	91	84.6	97	75.3	88	5.47	63	0
1931	82.4	26	86.5	38	78.3	15	0.94	148	0
1930	79.7	103	84.3	107	75.2	91	4.41	83	0
1929	80.5	76	85.3	69	75.7	69	0.44	152	0
1928	78	134	82.9	130	73.1	139	7.20	40	0
1927	81.3	48	86	51	76.6	49	2.00	130	0
1926	83.2	13	87.4	24	79	8	3.89	94	0
1925	80.9	56	85.2	74	76.7	46	11.06	20	0
1924	80.2	84	85.7	58	74.7	101	0.04	155	0
1923	79.8	99	84.4	102	75.1	94	9.91	24	0
1922	80.2	84	84.7	89	75.7	69	8.89	27	0
1921	82.5	25	86.3	42	78.8	12	8.37	30	0
1920	81.4	45	86.4	39	76.5	52	2.86	113	0
1919	80.1	87	84.3	107	75.8	66	5.29	65	0
1918	76.9	145	82	143	71.9	147	2.03	128	0
1917	79.4	112	84.4	102	74.3	114	3.60	100	0
1916	79.4	112	84.2	110	74.5	110	4.24	85	0
1915	81.2	50	85.1	77	77.2	31	2.12	127	0
1914	80.2	84	84.7	89	75.7	69	5.20	67	0
1913	76.9	145	81.5	146	72.2	146	18.68	3	0
1912	81.5	40	86.6	37	76.5	52	1.04	146	0
1911	83.6	9	87.7	21	79.6	5	3.50	102	0
1910	80.6	69	84.7	89	76.5	52	4.74	77	0
1909	79.7	103	84.7	89	74.7	101	2.50	119	0
1908	78	134	83	128	72.9	140	14.64	8	0
1907	80.5	76	85.5	64	75.4	85	7.56	36	0
1906	81.8	33	86.4	39	77.2	31	2.68	116	0
1905	82	29	86.3	42	77.8	20	2.41	122	0
1904	81.5	40	85.7	58	77.3	26	5.43	64	0
1903	79.1	119	83.5	124	74.7	101	2.76	115	0
1902	79.1	119	83.3	125	74.8	99	7.11	43	0
1901	77.8	139	82	143	73.5	133	7.84	35	0
1900	84.1	6	89.1	6	79.1	7	11.80	14	0
1899	79.7	103	84.7	89	74.7	101	1.85	135	0
1898	80.3	81	84.9	82	75.7	69	6.78	50	0
1897	79.1	119	84	115	74.2	115	2.40	123	0
1896	80.1	87	84.7	89	75.6	75	2.20	126	0
1895	81.5	40	85.3	69	77.7	22	1.86	133	0
1894	80.1	87	84.4	102	75.7	69	2.64	117	0
1893	81.1	52	85.5	64	76.6	49	1.72	137	0
1892	78.7	128	83.1	127	74.2	115	0.58	150	0
1891	78.3	129	82.9	130	73.7	127	7.01	45	0
1890	77.9	137	82.4	140	73.3	137	4.79	76	0
1889	77.6	142	82.9	130	72.3	144	3.98	91	0
1888	78.2	131	83	128	73.4	136	3.32	105	0
1887	79.4	112	84.6	97	74.2	115	2.52	118	0
1886	79.5	109	85.1	77	73.9	121	13.31	12	0
1885	79.8	99	84.2	110	75.3	88	26.01	1	0
1884	83.4	12	87.7	21	79	8	7.04	44	0
1883	79.8	99	84.8	84	74.9	95	3.22	108	0
1882	78.3	129	82.9	130	73.7	127	4.68	78	0
1881	81.4	45	86	51	76.7	46	3.66	96	0
1880	77.9	137	82.5	136	73.2	138	10.20	23	0
1879	79.5	109	84.4	102	74.6	107	1.47	141	0
1878	78.8	126	83.8	121	73.9	121	5.08	68	0
1877	80.6	69	85.8	54	75.5	78	13.85	10	0
1876	80.6	69	86.7	34	74.4	113	0.64	149	0
1875	77.2	144	82.4	140	71.9	147	18.41	4	0
1874	79.9	94	84.6	97	75.2	91	5.84	59	0
1873							7.37	38	30
1872							2.33	124	30
1871							3.66	96	30

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2019	86
2023	85.7
2026	85.1
2005	84.8
1995	84.6
1900	84.1
2016	84
1933	83.8
1998	83.6
1911	83.6

Coldest
Year	Mean, °F
1979	76
1974	76
1984	76.8
1943	76.8
1918	76.9
1913	76.9
1875	77.2
1975	77.4
1889	77.6
1940	77.7

Wettest
Year	Precipitation, in
1885	26.01
2018	24.32
1913	18.68
1875	18.41
2019	18.06
1961	15.41
1941	15.32
1908	14.64
1970	14.31
1877	13.85

Driest
Year	Precipitation, in
1924	0.04
1969	0.28
2017	0.32
1929	0.44
1953	0.56
1892	0.58
1876	0.64
1931	0.94
1952	0.98
1912	1.04

The hottest, coldest and wettest days

Hottest day: 93°F; 23 September 2026, 7 September 2026, 3 September 2026
Coldest night: 75°F; 4 September 2026
Wettest day: 1.04 in; 4 September 2026

Every month, season and year

Months

Seasons

Years

Galveston, TX the day's answers

All-time records

Every answer in words

September 2026 brought 3.71 in of precipitation in Galveston, TX, the driest September since 2023 (2025 excluded: 17 of 30 days missing), 61st driest of 155.
The hottest day of September 2026 in Galveston, TX: 93°F on Wednesday 23 September 2026, Monday 7 September 2026 and Thursday 3 September 2026.
The coldest night of September 2026 in Galveston, TX: a low of 75°F on Friday 4 September 2026.
The wettest day of September 2026 in Galveston, TX: 1.04 in on Friday 4 September 2026.