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McCook September Weather

Averages and records for weather in McCook, Nebraska in the month of September.

Typical McCook September Weather 1991–2020
Average daily high	80.2 °F
Average daily low	51.5 °F
Average monthly precipitation	1.7 inches
Average monthly snow	none
Daily chance of precipitation	16.8%
Daily chance of snow	0%

McCook September Weather Records 1894–2024
Highest temperature	107 °F	September 1, 1929
Lowest temperature	22 °F	September 30, 1912
Highest daily low	75 °F	September 2, 1964
Lowest daily high	37 °F	September 30, 1985
Hottest average high temperature	90.7 °F	1954
Coldest average high temperature	71.3 °F	1973
Most daily precipitation	5.1 inches	September 4, 2016
Most monthly precipitation	7.1 inches	1973
Most daily snow	4.0 inches	September 29, 1985
Most monthly snow	4.0 inches	1985

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
September 1	85.4	57.8	107	39
September 2	85.2	57.4	103	41
September 3	84.9	57.1	104	35
September 4	84.7	56.9	102	36
September 5	84.4	56.5	106	36
September 6	84.0	56.1	105	34
September 7	83.6	55.7	105	38
September 8	83.2	55.2	105	40
September 9	82.8	54.8	102	36
September 10	82.3	54.3	101	33
September 11	81.7	53.8	103	38
September 12	81.3	53.2	102	36
September 13	81.0	52.7	104	31
September 14	80.7	52.1	99	31
September 15	80.3	51.6	100	30
September 16	80.1	51.2	99	36
September 17	79.8	50.8	100	32
September 18	79.4	50.3	99	32
September 19	79.0	49.9	99	31
September 20	78.5	49.4	100	25
September 21	77.9	48.9	98	24
September 22	77.3	48.5	97	25
September 23	76.9	48.1	98	29
September 24	76.6	47.6	96	25
September 25	76.3	47.1	95	25
September 26	75.7	46.6	98	25
September 27	75.2	46.1	97	31
September 28	74.8	45.7	97	29
September 29	74.4	45.2	95	23
September 30	74.0	44.7	96	22

Weather Station Details

Years	Station	Coordinates
1894–2024	Mc Cook	location