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Spirit Lake September Weather

Averages and records for weather in Spirit Lake, Iowa in the month of September.

Typical Spirit Lake September Weather 1991–2020
Average daily high	74.2 °F
Average daily low	53.6 °F
Average monthly precipitation	3.3 inches
Average monthly snow	none
Daily chance of precipitation	20.0%
Daily chance of snow	0%

Spirit Lake September Weather Records 1893–2024
Highest temperature	101 °F	September 18, 1895
Lowest temperature	21 °F	September 29, 1899
Highest daily low	77 °F	September 1, 2007
Lowest daily high	45 °F	September 17, 1901
Hottest average high temperature	88.2 °F	1897
Coldest average high temperature	67.7 °F	2006
Most daily precipitation	6.0 inches	September 11, 1900
Most monthly precipitation	11.6 inches	2004
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	58.2	96	49
September 2	78.0	58.0	98	49
September 3	77.8	57.9	95	45
September 4	77.6	57.7	95	45
September 5	77.3	57.5	98	41
September 6	77.2	57.2	98	42
September 7	76.8	56.8	100	38
September 8	76.6	56.5	95	39
September 9	76.3	56.2	95	38
September 10	76.0	55.9	96	40
September 11	75.7	55.5	98	35
September 12	75.3	55.0	98	40
September 13	75.0	54.7	100	34
September 14	74.7	54.3	90	40
September 15	74.3	53.8	88	36
September 16	74.0	53.4	87	38
September 17	73.7	52.9	90	32
September 18	73.1	52.5	101	35
September 19	72.7	52.0	94	28
September 20	72.2	51.5	94	34
September 21	71.5	51.0	98	35
September 22	71.0	50.5	90	31
September 23	70.7	50.1	92	38
September 24	70.4	49.7	91	31
September 25	70.1	49.2	94	32
September 26	69.7	48.8	89	34
September 27	69.3	48.4	92	31
September 28	68.8	48.0	94	32
September 29	68.4	47.6	93	21
September 30	67.8	47.1	93	27

Weather Station Details

Years	Station	Coordinates
1893–2024	Spirit Lake	location