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Cape Girardeau September Weather

Averages and records for weather in Cape Girardeau, Missouri in the month of September.

Typical Cape Girardeau September Weather 1991–2020
Average daily high	81.8 °F
Average daily low	57.3 °F
Average monthly precipitation	3.6 inches
Daily chance of precipitation	25.3%

Cape Girardeau September Weather Records 1945–2024
Highest temperature	102 °F	September 5, 1954
Lowest temperature	33 °F	September 30, 1999
Highest daily low	78 °F	September 1, 1951
Lowest daily high	55 °F	September 27, 1984
Hottest average high temperature	89.2 °F	2019
Coldest average high temperature	73.6 °F	1974
Most daily precipitation	4.7 inches	September 2, 2003
Most monthly precipitation	10.2 inches	1993

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	86.2	62.9	102	49
September 2	85.9	62.6	101	47
September 3	85.7	62.3	102	49
September 4	85.5	62.0	102	47
September 5	85.3	61.7	102	42
September 6	85.0	61.4	101	45
September 7	84.8	61.1	99	42
September 8	84.5	60.8	98	46
September 9	84.1	60.4	99	47
September 10	83.7	60.0	96	46
September 11	83.3	59.6	98	46
September 12	82.9	59.2	95	45
September 13	82.6	58.7	98	44
September 14	82.3	58.2	95	40
September 15	81.9	57.6	95	44
September 16	81.6	57.1	99	41
September 17	81.4	56.6	96	39
September 18	81.1	56.2	98	43
September 19	80.8	55.9	97	40
September 20	80.5	55.5	100	38
September 21	80.2	55.1	100	39
September 22	79.9	54.7	95	36
September 23	79.6	54.3	92	37
September 24	79.3	53.9	92	36
September 25	78.9	53.5	92	35
September 26	78.5	53.1	91	34
September 27	78.2	52.8	93	36
September 28	77.8	52.5	95	39
September 29	77.4	52.1	99	35
September 30	77.1	51.6	95	33

Weather Station Details

Years	Station	Coordinates
1960–2024	Cape Girardeau Municipal Airport	location
1945–1960	Cape Girardeau Missour State University	location