McCook, NE: September

30 September 2026: September 2026 averaged 71.9°F in McCook, NE (1 day missing), the warmest September since 2019, tied 4th warmest of 89 (with 1963 and 1931).

September 2026

Mean temperature: 71.9°F; Warmest since 2019; 4th warmest of 89
Precipitation: 5.32 in; Wettest since 2025; 4th wettest of 105

A normal September in McCook, NE (1991 to 2020): a mean temperature of 66.9°F, between 62.1°F and 71.3°F in eight years of ten and 1.18 in of precipitation, between 0.34 in and 3.48 in in eight years of ten.

The mean temperature of every September in McCook, NE since 1910: 71.9°F in 2026; the highest is 72.7°F, in 2019.

Normal range, 62.1 to 71.3°F

Every year, ranked, as a table

Every September in McCook, NE from 1895 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	71.9	4	82.1	46	61.7	1	5.32	4	1
2025	68.6	30	82.5	43	54.8	24	6.41	1	0
2024	71.4	9	87.4	8	55.3	16	0.61	81	0
2023	69.8	19	86	15	54	29	3.77	14	2
2022	70	18	87.3	9	52.7	41	1.68	44	0
2021	71.1	11	88.5	3	53.6	32	3.24	19	0
2020	65.3	59	82	48	48.5	74	0.84	72	0
2019	72.7	1	87	10	58.4	2	0.64	78	0
2018	68.6	30	81.2	54	55.9	11	0.34	94	0
2017	68.4	34	83.4	34	53.3	35	3.08	23	0
2016	67.1	47	81.1	55	53	38	5.63	3	0
2015	72.5	2	87.6	7	57.4	4	1.10	61	0
2014	65.4	56	79.1	68	51.8	49	1.68	44	0
2013	71.2	10	85.6	18	56.7	6	2.35	28	0
2012	65.9	52	84.6	26	47.2	83	0.26	96	0
2011	62.1	79	78.3	74	45.9	88	0.38	91	0
2010	67.3	44	84	29	50.5	60	0.52	86	0
2009	63.2	75	76.4	79	49.9	66	2.11	34	0
2008	64.4	66	78.6	72	50.1	62	1.03	66	0
2007	67.5	43	82.2	45	52.8	40	1.46	51	0
2006	61.7	83	75.7	83	47.6	81	2.37	27	0
2005	70.4	15	85.8	17	55	21	0.22	100	0
2004	69.1	24	84.1	28	54	29	4.29	10	0
2003	63.7	69	79.4	64	48	76	1.17	57	0
2002	68.5	33	82.9	38	54.2	28	1.92	37	0
2001	68	38	82.5	43	53.4	34	3.35	17	0
2000	67.8	40	84.7	24	51	56	1.66	47	0
1999	62.3	78	76.7	78	47.9	78	0.57	84	0
1998	72	3	88.1	5	56	10	0.34	94	0
1997	68.4	34	81.9	49	54.9	22			0
1996	61.7	83	72.2	90	51.1	54	3.98	11	0
1995	63.3	73	75.8	82	50.8	58	2.84	24	0
1994	66.7	49	81.3	53	52.2	45	0.44	89	1
1993	59.4	87	72.8	89	46.4	86	1.18	55	1
1992	64.8	63	78.8	69	50.8	58	0.38	91	0
1991	65.7	54	79.4	64	52	46	1.18	55	0
1990	70.4	15	83.8	30	55.4	15	0.65	76	2
1989									11
1967									18
1966	66.6	50	82.1	46	51.1	54	1.89	39	0
1965	59.3	89	71.7	91	46.9	84	4.63	8	0
1964	68.8	29	84.8	22	52.7	41	1.09	62	0
1963	71.9	4	85.9	16	58	3	4.78	6	0
1962	65.3	59	80.4	58	50.3	61	1.05	63	0
1961	63	76	79.7	61	46.3	87	2.06	35	0
1960	70.9	12	89.2	2	52.5	43	0.57	84	0
1959	64.6	65	80.5	57	48.8	71	2.17	31	0
1958	70.6	14	86.4	13	54.4	26	0.98	69	2
1957	65.2	61	81.7	51	48.7	72	2.04	36	1
1956	69.1	24	88.2	4	50	64	0.20	101	0
1955	68.3	36	85.2	20	51.5	50	3.78	13	0
1954			90.7	1			1.04	64	19
1953	69	27	85	21	53.1	36	0.10	104	1
1952	68.2	37	83.6	31	52.9	39	0.26	96	1
1951	61.1	86	74.2	87	47.9	78	3.27	18	0
1950	63.5	71	75	85	52	46	0.79	74	0
1949	64.3	67	78.6	72	50	64	0.42	90	0
1948	70.4	15	85.6	18	55.2	17	0.97	70	0
1947	69.1	24	84.6	26	53.5	33	1.84	40	1
1946	63.4	72	77.9	77	49.1	70	2.49	26	1
1945	64.7	64	79.3	66	50.1	62	1.57	48	0
1944	65.2	61	79.5	63	49.9	66	0.07	105	2
1943	63.3	73	78.7	70	48	76	0.35	93	0
1942	62.1	79	76.1	81	47.6	81	4.69	7	1
1941	65.4	56	79.3	66	51.3	52	5.76	2	1
1940	67.6	41	80.3	59	54.9	22			0
1939	71.5	8	87	10	55.8	13	0.25	98	1
1938	68.6	30	82.8	40	54.3	27	1.54	50	2
1937	69.3	22	82.7	41	55.9	11	0.97	70	0
1936					57.3	5	1.26	53	7
1935	67	48	81.5	52	52	46	1.70	41	2
1934	62	81	75.4	84	48.4	75	1.90	38	1
1933			83.2	35	55.1	18	3.10	22	4
1932	65.4	56	81	56	49.5	69	1.21	54	1
1931	71.9	4	87.9	6	55.8	13	0.59	82	2
1930	65.9	52	81.9	49	49.9	66	2.68	25	1
1929	59.4	87	73.6	88	45.7	90	2.23	29	1
1928	64.1	68	83	37	45.3	91	1.00	68	1
1927	68	38	84.7	24	51.2	53	1.40	52	0
1926	63.6	70	76.2	80	50.9	57	3.45	15	0
1925	69.2	23	83.2	35	55.1	18	1.70	41	0
1924	61.4	85	74.8	86	47.9	78	2.22	30	0
1923	66	51	79.7	61	52.4	44	2.17	31	0
1922	69.4	21	83.6	31	55.1	18	0.24	99	1
1921									19
1920	69.8	19	83.6	31	54.6	25	1.02	67	3
1919	71.6	7	86.5	12	56.7	6	0.45	88	0
1918	61.9	82	78	76	45.8	89	1.13	58	0
1917	67.2	45	80.1	60	54	29	4.84	5	1
1916	65.7	54	82.7	41	48.7	72	0.82	73	0
1915	67.6	41	78.7	70	56.6	8	1.12	60	0
1914	69	27	84.8	22	53.1	36	0.15	103	0
1913	62.8	77	78.1	75	46.8	85	1.57	48	2
1912							2.13	33	4
1911	70.8	13	86.4	13	56.2	9	0.59	82	3
1910	67.2	45	82.9	38	51.5	50	0.72	75	0
1909									10
1908							0.48	87	30
1907							1.13	58	30
1906							1.70	41	30
1905							3.20	21	30
1904							0.62	80	30
1903							0.65	76	30
1902							3.40	16	30
1901							4.53	9	30
1900							0.64	78	30
1899							0.20	101	30
1898							3.95	12	30
1897							1.04	64	30
1896							1.68	44	30
1895							3.22	20	30

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2019	72.7
2015	72.5
1998	72
2026	71.9
1963	71.9
1931	71.9
1919	71.6
1939	71.5
2024	71.4
2013	71.2

Coldest
Year	Mean, °F
1965	59.3
1993	59.4
1929	59.4
1951	61.1
1924	61.4
2006	61.7
1996	61.7
1918	61.9
1934	62
2011	62.1
More years share the last value

Wettest
Year	Precipitation, in
2025	6.41
1941	5.76
2016	5.63
2026	5.32
1917	4.84
1963	4.78
1942	4.69
1965	4.63
1901	4.53
2004	4.29

Driest
Year	Precipitation, in
1944	0.07
1953	0.10
1914	0.15
1956	0.20
1899	0.20
2005	0.22
1922	0.24
1939	0.25
2012	0.26
1952	0.26

The hottest, coldest and wettest days

Hottest day: 100°F; 4 September 2026
Coldest night: 55°F; 27 September 2026, 21 September 2026, 16 September 2026
Wettest day: 1.54 in; 30 September 2026

Every month, season and year

Months

Seasons

Years

McCook, NE the day's answers

All-time records

Every answer in words

September 2026 brought 5.32 in of precipitation in McCook, NE (2 days missing), the wettest September since 2025, 4th wettest of 105.
The hottest day of September 2026 in McCook, NE: 100°F on Friday 4 September 2026.
The coldest night of September 2026 in McCook, NE: a low of 55°F on Sunday 27 September 2026, Monday 21 September 2026 and Wednesday 16 September 2026.
The wettest day of September 2026 in McCook, NE: 1.54 in on Wednesday 30 September 2026.