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St. Croix Falls September Weather

Averages and records for weather in St. Croix Falls, Wisconsin in the month of September.

Typical St. Croix Falls September Weather 1991–2020
Average daily high	73.2 °F
Average daily low	50.2 °F
Average monthly precipitation	3.5 inches
Average monthly snow	none
Daily chance of precipitation	29.6%
Daily chance of snow	0%

St. Croix Falls September Weather Records 1950–2024
Highest temperature	98 °F	September 7, 1976
Lowest temperature	24 °F	September 26, 1965
Highest daily low	74 °F	September 5, 1990
Lowest daily high	43 °F	September 30, 1985
Hottest average high temperature	79.7 °F	2004
Coldest average high temperature	60.7 °F	1965
Most daily precipitation	5.8 inches	September 1, 1957
Most monthly precipitation	9.5 inches	1991
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	78.0	54.8	93	35
September 2	77.8	54.6	94	33
September 3	77.6	54.4	96	34
September 4	77.4	54.1	96	37
September 5	77.2	53.9	97	37
September 6	76.9	53.6	95	38
September 7	76.5	53.2	98	34
September 8	76.2	52.9	94	36
September 9	75.7	52.4	94	39
September 10	75.4	51.9	91	35
September 11	75.0	51.6	88	33
September 12	74.6	51.2	94	34
September 13	74.3	50.8	93	35
September 14	73.9	50.4	91	31
September 15	73.4	50.0	90	31
September 16	73.0	49.6	87	32
September 17	72.5	49.1	91	33
September 18	72.0	48.6	90	35
September 19	71.6	48.2	91	34
September 20	71.1	47.7	88	29
September 21	70.5	47.2	86	32
September 22	69.9	46.8	87	26
September 23	69.5	46.4	92	28
September 24	69.2	46.1	86	25
September 25	68.9	45.7	88	27
September 26	68.5	45.2	87	24
September 27	68.1	44.8	90	26
September 28	67.7	44.4	85	26
September 29	67.3	44.0	84	28
September 30	66.8	43.5	85	25

Weather Station Details

Years	Station	Coordinates
1950–2024	St. Croix Falls	location