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Sisseton September Weather

Averages and records for weather in Sisseton, South Dakota in the month of September.

Typical Sisseton September Weather 1991–2020
Average daily high	72.7 °F
Average daily low	49.8 °F
Average monthly precipitation	2.6 inches
Average monthly snow	none
Daily chance of precipitation	28.0%
Daily chance of snow	0%

Sisseton September Weather Records 1900–2024
Highest temperature	102 °F	September 8, 1959
Lowest temperature	22 °F	September 26, 1965
Highest daily low	76 °F	September 2, 1983
Lowest daily high	35 °F	September 30, 1912
Hottest average high temperature	81.5 °F	1933
Coldest average high temperature	60.0 °F	1965
Most daily precipitation	3.9 inches	September 11, 1901
Most monthly precipitation	6.5 inches	1901
Most daily snow	4.0 inches	September 26, 1942
Most monthly snow	4.0 inches	1942

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	77.7	55.5	98	39
September 2	77.6	55.3	100	38
September 3	77.4	55.0	96	38
September 4	77.2	54.8	100	37
September 5	76.9	54.5	98	36
September 6	76.5	54.1	98	36
September 7	76.0	53.7	99	35
September 8	75.5	53.2	102	37
September 9	75.1	52.7	99	33
September 10	74.7	52.3	96	33
September 11	74.3	51.9	93	26
September 12	74.0	51.5	95	30
September 13	73.6	51.0	94	34
September 14	73.2	50.5	97	32
September 15	72.8	50.0	101	30
September 16	72.5	49.6	94	28
September 17	72.1	49.1	96	28
September 18	71.7	48.7	94	30
September 19	71.1	48.2	97	30
September 20	70.4	47.6	91	28
September 21	69.8	47.2	97	22
September 22	69.3	46.8	101	23
September 23	69.0	46.4	91	28
September 24	68.7	46.1	96	26
September 25	68.2	45.6	90	30
September 26	67.8	45.1	92	22
September 27	67.4	44.7	96	24
September 28	67.0	44.3	89	23
September 29	66.5	43.9	92	23
September 30	65.9	43.4	90	26

Weather Station Details

Years	Station	Coordinates
1900–2024	Sisseton	location