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Fort Atkinson September Weather

Averages and records for weather in Fort Atkinson, Wisconsin in the month of September.

Typical Fort Atkinson September Weather 1991–2020
Average daily high	74.0 °F
Average daily low	51.2 °F
Average monthly precipitation	3.3 inches
Average monthly snow	none
Daily chance of precipitation	30.6%
Daily chance of snow	0%

Fort Atkinson September Weather Records 1941–2024
Highest temperature	98 °F	September 9, 1978
Lowest temperature	28 °F	September 27, 1991
Highest daily low	78 °F	September 7, 1947
Lowest daily high	43 °F	September 26, 1942
Hottest average high temperature	80.0 °F	1971
Coldest average high temperature	65.2 °F	1993
Most daily precipitation	4.5 inches	September 8, 1941
Most monthly precipitation	9.5 inches	1961
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	78.3	56.4	98	39
September 2	78.1	56.2	98	40
September 3	77.9	55.9	94	40
September 4	77.8	55.6	93	37
September 5	77.6	55.4	93	38
September 6	77.4	55.1	94	33
September 7	77.1	54.8	97	35
September 8	76.8	54.4	93	37
September 9	76.4	54.0	98	38
September 10	76.0	53.5	93	40
September 11	75.6	53.1	93	35
September 12	75.3	52.6	91	35
September 13	75.0	52.3	91	33
September 14	74.6	51.9	90	35
September 15	74.2	51.5	86	34
September 16	73.8	51.1	90	31
September 17	73.4	50.7	91	31
September 18	73.0	50.3	93	33
September 19	72.5	50.0	89	33
September 20	72.1	49.6	90	30
September 21	71.6	49.2	91	30
September 22	71.1	48.7	89	28
September 23	70.7	48.3	94	28
September 24	70.5	48.0	94	28
September 25	70.3	47.6	91	29
September 26	69.9	47.2	92	30
September 27	69.5	46.8	92	28
September 28	69.2	46.4	89	28
September 29	68.8	46.0	94	29
September 30	68.4	45.6	89	28

Weather Station Details

Years	Station	Coordinates
1941–2024	Fort Atkinson	location