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Casselton September Weather

Averages and records for weather in Casselton, North Dakota in the month of September.

Typical Casselton September Weather 1991–2020
Average daily high	72.1 °F
Average daily low	46.6 °F
Average monthly precipitation	2.8 inches
Average monthly snow	none
Daily chance of precipitation	23.7%
Daily chance of snow	0%

Casselton September Weather Records 1984–2024
Highest temperature	98 °F	September 20, 1984
Lowest temperature	22 °F	September 22, 1995
Highest daily low	72 °F	September 4, 2015
Lowest daily high	40 °F	September 25, 1984
Hottest average high temperature	78.2 °F	1998
Coldest average high temperature	64.4 °F	1985
Most daily precipitation	2.8 inches	September 2, 1996
Most monthly precipitation	5.6 inches	2019
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	77.7	52.1	89	40
September 2	77.4	51.9	90	40
September 3	77.3	51.6	93	42
September 4	77.0	51.3	95	33
September 5	76.7	51.0	91	37
September 6	76.4	50.6	96	36
September 7	75.9	50.3	92	36
September 8	75.4	49.8	96	34
September 9	74.9	49.3	91	31
September 10	74.4	48.8	89	31
September 11	74.0	48.4	94	33
September 12	73.6	47.9	94	34
September 13	73.2	47.5	91	32
September 14	72.8	47.0	89	34
September 15	72.3	46.5	85	29
September 16	72.0	46.2	88	29
September 17	71.6	45.7	94	33
September 18	71.1	45.3	95	33
September 19	70.6	44.8	90	32
September 20	69.9	44.3	98	26
September 21	69.3	43.8	87	28
September 22	68.7	43.4	92	22
September 23	68.2	43.1	84	26
September 24	67.8	42.7	91	30
September 25	67.5	42.3	87	28
September 26	67.0	41.8	88	22
September 27	66.6	41.4	91	25
September 28	66.1	41.0	86	22
September 29	65.6	40.6	92	28
September 30	65.2	40.2	87	26

Weather Station Details

Years	Station	Coordinates
1984–2024	Casselton Agronomy Farm	location