La Crosse, WI: September

30 September 2026: September 2026 averaged 66.7°F in La Crosse, WI, the warmest September since 2025, 21st warmest of 154.

September 2026

Mean temperature: 66.7°F; Warmest since 2025; 21st warmest of 154
Precipitation: 7.01 in; Wettest since 2016; 15th wettest of 154

A normal September in La Crosse, WI (1991 to 2020): a mean temperature of 64°F, between 60.5°F and 68.8°F in eight years of ten and 2.89 in of precipitation, between 1.13 in and 6.93 in in eight years of ten.

The mean temperature of every September in La Crosse, WI since 1873: 66.7°F in 2026; the highest is 69.3°F, in 2015.

Normal range, 60.5 to 68.8°F

Every year, ranked, as a table

Every September in La Crosse, WI from 1873 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	66.7	21	74.9	43	58.4	6	7.01	15	0
2025	66.8	20	77.3	18	56.2	19	3.72	67	0
2024	68	9	80.3	4	55.7	25	1.94	113	0
2023	68.6	5	78.2	14	59.1	4	2.26	108	0
2022	65.2	32	75.8	29	54.6	41	1.66	123	0
2021	67.2	15	79.1	9	55.3	31	1.43	132	0
2020	62.4	80	71.7	88	53.1	67	3.62	71	0
2019	69.1	2	78.2	14	60	1	6.77	19	0
2018	65.8	27	75.2	39	56.3	16	6.08	23	0
2017	68.8	3	80.5	3	57.1	9	0.95	146	0
2016	67.7	11	76.8	21	58.7	5	10.46	3	0
2015	69.3	1	79.3	7	59.3	2	2.73	94	0
2014	63.2	58	73.8	59	52.6	79	2.62	96	0
2013	67	18	78.1	17	55.8	24	1.61	129	0
2012	61.4	97	74.9	43	47.9	143	1.14	142	0
2011	60.5	115	70.5	112	50.4	114	3.04	86	0
2010	61.2	100	71	101	51.4	96	7.03	14	0
2009	64.5	37	75.3	36	53.8	49	1.02	144	0
2008	64.6	35	75	40	54.1	44	2.08	110	0
2007	65.6	28	76.4	22	54.8	36	3.25	80	0
2006	59.9	124	69.6	126	50.1	117	3.61	72	0
2005	67.1	17	78.2	14	56	22	6.92	17	0
2004	67.2	15	78.4	12	56	22	3.48	75	0
2003	63.2	58	74	57	52.5	80	2.61	97	0
2002	65.5	29	76.3	24	54.7	39	3.68	69	0
2001	60	122	70.3	115	49.7	126	5.58	28	0
2000	62.7	69	73.4	67	52	87	1.64	125	0
1999	61.8	91	72.9	70	50.7	107	2.39	103	0
1998	68.8	3	81.4	1	56.2	19	0.85	148	0
1997	64	51	74.3	50	53.6	57	2.43	99	0
1996	64	51	75.3	36	52.8	75	1.64	125	0
1995	61.5	95	73.3	68	49.7	126	2.31	107	0
1994	65.9	26	75.8	29	56.1	21	6.51	21	0
1993	56.5	152	66.1	149	46.8	148	1.80	119	0
1992	60.5	115	70.5	112	50.5	111	7.01	15	2
1991	60.5	115	70.5	112	50.5	111	3.90	64	0
1990	65.5	29	76.2	25	54.8	36	1.82	118	0
1989	61.1	103	73	69	49.2	133	1.95	112	0
1988	64.6	35	75.9	28	53.2	62	5.21	34	0
1987	63	60	73.9	58	52	87	2.10	109	0
1986	62.5	76	70.9	102	54.1	44	8.10	8	0
1985	62.2	83	70.6	107	53.7	52	5.63	27	0
1984	59	136	70.9	102	47	146	2.87	90	0
1983	62.9	63	72.8	71	53	72	4.94	42	0
1982	60.8	109	69.8	123	51.9	89	2.67	95	0
1981	60.7	111	71.3	95	50.2	116	1.77	120	0
1980	63.7	55	73.5	63	53.8	49	8.51	7	0
1979	62.8	64	74.8	45	50.8	105	0.53	151	0
1978	68.3	8	79.7	6	56.8	11	5.12	37	0
1977	61.7	93	70.3	115	53.1	67	4.12	58	0
1976	61	106	73.7	60	48.2	142	0.54	150	0
1975	57.4	147	67.9	138	46.9	147	1.28	138	0
1974	56.9	150	68.2	136	45.5	152	1.40	133	0
1973	62.6	71	72	84	53.2	62	3.68	69	0
1972	61.2	100	71.4	92	51.1	103	6.72	20	0
1971	64.3	43	75.3	36	53.2	62	2.43	99	0
1970	61.3	99	71.1	99	51.6	95	5.30	33	0
1969	62.8	64	74.1	55	51.4	96	2.32	106	0
1968	62.1	87	72.3	77	51.9	89	5.10	38	0
1967	61.1	103	73.5	63	48.7	136	1.38	134	0
1966	61.4	97	74.2	52	48.6	137	0.96	145	0
1965	56.6	151	64.8	154	48.4	140	10.52	2	0
1964	61	106	70.2	118	51.7	94	5.48	30	0
1963	62.8	64	72.6	73	53.1	67	3.92	63	0
1962	58.8	137	68.2	136	49.3	131	2.41	101	0
1961	61.5	95	70.2	118	52.8	75	4.97	41	0
1960	64.1	48	72.8	71	55.4	28	4.47	53	0
1959	63	60	72.3	77	53.8	49	5.97	24	0
1958	62.7	69	72.3	77	53.1	67	3.28	78	0
1957	60	122	69.8	123	50.1	117	1.86	116	0
1956	59.5	131	70.7	104	48.3	141	1.56	131	0
1955	64.1	48	76.4	22	51.8	93	1.23	140	0
1954	62.1	87	70.7	104	53.4	61	4.85	46	0
1953	62.5	76	74.5	49	50.4	114	0.46	152	0
1952	63	60	74.6	46	51.4	96	0.42	153	0
1951	58.3	142	67.8	142	48.9	135	3.17	83	0
1950	62.5	76	71.7	88	53.2	62	1.75	122	1
1949	59.2	133	69.9	121	48.5	138	1.20	141	0
1948	68.4	7	81	2	56.3	16	2.00	111	3
1947	64.2	46	73.5	63	54.9	33	4.00	61	0
1946	60.9	108	70.6	107	51.3	100	7.40	10	0
1945	60.8	109	70.2	118	51.3	100	4.10	59	0
1944	62.8	64	70.6	107	54.9	33	2.80	92	0
1943	58.3	142	67.3	143	49.3	131	1.86	116	0
1942	58.8	137	67.1	145	50.5	111	6.86	18	0
1941	64.2	46	73.6	61	54.8	36	7.34	11	0
1940	64	51	74.3	50	53.7	52	0.29	154	0
1939	65.4	31	77	20	53.9	48	0.93	147	0
1938	62.6	71	71.5	90	53.7	52	7.60	9	0
1937	63.7	55	74.6	46	52.7	77	1.91	114	0
1936	65.2	32	75	40	55.4	28	5.35	32	0
1935	62.3	82	72.6	73	51.9	89	2.93	89	0
1934	59.4	132	68.9	130	49.9	124	9.04	6	0
1933	66.2	23	77.3	18	55	32	4.63	52	0
1932	59.2	133	71.9	85	46.5	150	1.32	136	0
1931	68.5	6	78.9	11	58.1	7	3.75	66	0
1930	62.1	87	74.1	55	50.1	117	3.51	74	0
1929	61.2	100	72.3	77	50	123	4.33	55	0
1928	58.5	140	68.5	133	48.5	138	4.73	50	0
1927	64.3	43	73.6	61	54.9	33	5.71	26	0
1926	59.6	129	67.2	144	52.1	85	4.92	43	0
1925	66.2	23	76	27	56.4	15	7.15	12	0
1924	57.1	149	67	146	47.1	145	3.58	73	0
1923	62.2	83	71.8	87	52.7	77	4.00	61	0
1922	64.7	34	75.7	31	53.7	52	2.34	105	0
1921	64.4	42	75.7	31	53.2	62	6.09	22	0
1920	64.5	37	75.5	34	53.5	59	0.81	149	0
1919	64.5	37	74.2	52	54.7	39	2.35	104	0
1918	54.8	154	65.7	151	43.8	154	1.36	135	0
1917	59.1	135	68.9	130	49.2	133	3.36	76	0
1916	59.7	128	69.5	127	49.9	124	4.75	49	0
1915	61.7	93	71.2	97	52.1	85	5.55	29	0
1914	62.5	76	72.6	73	52.3	83	4.14	57	0
1913	62.2	83	72.5	76	51.9	89	3.16	84	0
1912	61.9	90	71.5	90	52.4	82	1.61	129	0
1911	61.1	103	71.4	92	50.9	104	5.00	39	0
1910	60.7	111	71.2	97	50.1	117	2.95	88	0
1909	60.7	111	70.6	107	50.7	107	4.03	60	0
1908	67.9	10	80.1	5	55.7	25	2.82	91	0
1907	60.1	120	69.4	129	50.7	107	3.85	65	0
1906	66.6	22	75.6	33	57.5	8	7.11	13	0
1905	64.5	37	73.5	63	55.5	27	2.54	98	0
1904	62.2	83	71.4	92	53.1	67	4.98	40	0
1903	60.1	120	68.9	130	51.4	96	3.28	78	0
1902	58.8	137	67.9	138	49.6	129	2.97	87	0
1901	60.5	115	69.7	125	51.2	102	9.84	5	0
1900	63.3	57	72.2	81	54.5	42	4.71	51	0
1899	59.9	124	70.3	115	49.4	130	1.06	143	0
1898	64.3	43	76.1	26	52.5	80	1.64	125	0
1897	67.5	13	79	10	56.6	14	1.64	125	2
1896	55.5	153	65.7	151	45.3	153	3.33	77	0
1895	67.6	12	78.4	12	56.8	11	2.41	101	0
1894	64.1	48	74.2	52	54	47	5.14	36	0
1893	62.6	71	75.5	34	49.7	126	1.26	139	0
1892	62.6	71	72.2	81	52.9	73	3.07	85	0
1891	67.4	14	79.3	7	55.4	28	1.77	120	0
1890	58.1	144	69.5	127	46.8	148	5.20	35	0
1889	60.6	114	71.1	99	50.1	117	2.76	93	0
1888	57.9	145	67.9	138	47.9	143	1.66	123	0
1887	59.6	129	68.5	133	50.7	107	4.35	54	0
1886	62.6	71	70.6	107	54.5	42	3.21	82	0
1885	61.8	91	69.9	121	53.7	52	4.78	48	0
1884	67	18	74.6	46	59.3	2	10.01	4	0
1883	57.5	146	64.9	153	50.1	117	4.92	43	0
1882	63.8	54	71.3	95	56.3	16	1.32	136	0
1881	64.5	37	72.1	83	56.8	11	10.87	1	0
1880	60.3	119	68.3	135	52.3	83	3.22	81	0
1879	58.4	141	66	150	50.8	105	5.72	25	0
1878	62.4	80	70.7	104	54.1	44	4.85	46	0
1877	66	25	75	40	57	10	1.91	114	0
1876	59.9	124	66.3	148	53.5	59	4.17	56	0
1875	59.8	127	66.8	147	52.9	73	5.45	31	0
1874	62.8	64	71.9	85	53.6	57	4.87	45	0
1873	57.2	148	67.9	138	46.4	151	3.69	68	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	69.3
2019	69.1
2017	68.8
1998	68.8
2023	68.6
1931	68.5
1948	68.4
1978	68.3
2024	68
1908	67.9

Coldest
Year	Mean, °F
1918	54.8
1896	55.5
1993	56.5
1965	56.6
1974	56.9
1924	57.1
1873	57.2
1975	57.4
1883	57.5
1888	57.9

Wettest
Year	Precipitation, in
1881	10.87
1965	10.52
2016	10.46
1884	10.01
1901	9.84
1934	9.04
1980	8.51
1986	8.10
1938	7.60
1946	7.40

Driest
Year	Precipitation, in
1940	0.29
1952	0.42
1953	0.46
1979	0.53
1976	0.54
1920	0.81
1998	0.85
1939	0.93
2017	0.95
1966	0.96

The hottest, coldest and wettest days

Hottest day: 90°F; 1 September 2026
Coldest night: 44°F; 23 September 2026
Wettest day: 2.20 in; 18 September 2026

Every month, season and year

Months

Seasons

Years

La Crosse, WI the day's answers

All-time records

Every answer in words

September 2026 brought 7.01 in of precipitation in La Crosse, WI, the wettest September since 2016, tied 15th wettest of 154 (with 1992).
The hottest day of September 2026 in La Crosse, WI: 90°F on Tuesday 1 September 2026.
The coldest night of September 2026 in La Crosse, WI: a low of 44°F on Wednesday 23 September 2026.
The wettest day of September 2026 in La Crosse, WI: 2.20 in on Friday 18 September 2026.