< Previous Month Next Month >

Fort Madison September Weather

Averages and records for weather in Fort Madison, Iowa in the month of September.

Typical Fort Madison September Weather 1991–2020
Average daily high	77.6 °F
Average daily low	58.0 °F
Average monthly precipitation	3.5 inches
Average monthly snow	none
Daily chance of precipitation	24.6%
Daily chance of snow	0%

Fort Madison September Weather Records 1893–2024
Highest temperature	100 °F	September 2, 2000
Lowest temperature	31 °F	September 29, 1984
Highest daily low	79 °F	September 2, 2011
Lowest daily high	49 °F	September 21, 1995
Hottest average high temperature	83.3 °F	1953
Coldest average high temperature	69.8 °F	1993
Most daily precipitation	4.5 inches	September 7, 1911
Most monthly precipitation	17.9 inches	1970
Most daily snow	none	-
Most monthly snow	none	-

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	82.1	63.5	99	44
September 2	81.8	63.3	100	47
September 3	81.6	62.9	96	42
September 4	81.5	62.7	98	38
September 5	81.2	62.4	97	44
September 6	80.9	62.1	97	43
September 7	80.6	61.8	96	40
September 8	80.2	61.4	96	43
September 9	79.9	60.9	97	45
September 10	79.5	60.4	95	42
September 11	79.2	60.0	97	43
September 12	78.8	59.5	94	36
September 13	78.4	59.1	90	38
September 14	78.0	58.6	94	37
September 15	77.7	58.2	91	38
September 16	77.4	57.7	91	38
September 17	77.1	57.3	93	40
September 18	76.6	56.9	93	38
September 19	76.3	56.6	94	37
September 20	75.8	56.2	91	36
September 21	75.4	55.7	89	36
September 22	74.9	55.3	92	33
September 23	74.6	54.9	99	32
September 24	74.3	54.6	95	34
September 25	74.0	54.2	91	35
September 26	73.6	53.8	90	31
September 27	73.2	53.3	90	33
September 28	72.8	53.0	95	34
September 29	72.4	52.6	96	31
September 30	72.0	52.2	91	33

Weather Station Details

Years	Station	Coordinates
1893–2024	Fort Madison	location