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Lee's Summit September Weather

Averages and records for weather in Lee's Summit, Missouri in the month of September.

Typical Lee's Summit September Weather 1991–2020
Average daily high	79.0 °F
Average daily low	58.0 °F
Average monthly precipitation	4.0 inches
Daily chance of precipitation	30.0%

Lee's Summit September Weather Records 1962–2024
Highest temperature	107 °F	September 10, 1984
Lowest temperature	29 °F	September 27, 1993
Highest daily low	79 °F	September 1, 2011
Lowest daily high	51 °F	September 27, 1984
Hottest average high temperature	86.6 °F	1990
Coldest average high temperature	67.9 °F	1993
Most daily precipitation	7.5 inches	September 14, 1998
Most monthly precipitation	16.1 inches	1986

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	84.0	63.3	104	47
September 2	83.7	63.0	104	48
September 3	83.4	62.8	105	44
September 4	83.2	62.6	98	42
September 5	83.0	62.4	100	45
September 6	82.7	62.1	100	41
September 7	82.2	61.7	98	43
September 8	81.8	61.4	100	44
September 9	81.5	60.9	96	46
September 10	81.1	60.5	107	42
September 11	80.6	60.1	95	40
September 12	80.2	59.6	96	42
September 13	79.8	59.1	97	39
September 14	79.4	58.7	91	36
September 15	79.1	58.1	91	30
September 16	78.9	57.7	95	34
September 17	78.6	57.4	96	36
September 18	78.3	57.0	97	39
September 19	78.0	56.6	97	38
September 20	77.6	56.2	98	31
September 21	77.3	55.8	95	35
September 22	76.8	55.4	93	31
September 23	76.5	54.9	90	31
September 24	76.2	54.6	90	30
September 25	75.8	54.2	90	33
September 26	75.4	53.8	95	32
September 27	75.0	53.3	93	29
September 28	74.6	53.0	90	35
September 29	74.3	52.6	91	30
September 30	74.0	52.2	93	32

Weather Station Details

Years	Station	Coordinates
2003–2024	Lee's Summit Municipal Airport	location
1962–2002	Lee's Summit Reed WR	location