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Iron River September Weather

Averages and records for weather in Iron River, Michigan in the month of September.

Typical Iron River September Weather 1991–2020
Average daily high	67.1 °F
Average daily low	40.6 °F
Average monthly precipitation	3.5 inches
Average monthly snow	none
Daily chance of precipitation	43.5%
Daily chance of snow	0%

Iron River September Weather Records 1896–2024
Highest temperature	96 °F	September 3, 1929
Lowest temperature	15 °F	September 30, 1918
Highest daily low	71 °F	September 1, 1953
Lowest daily high	38 °F	September 27, 1942
Hottest average high temperature	77.4 °F	1908
Coldest average high temperature	59.9 °F	1993
Most daily precipitation	4.3 inches	September 7, 1916
Most monthly precipitation	8.7 inches	1916
Most daily snow	3.0 inches	September 28, 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	71.9	44.8	92	29
September 2	71.7	44.5	93	26
September 3	71.6	44.3	96	26
September 4	71.4	44.0	91	29
September 5	71.2	43.8	91	28
September 6	71.0	43.6	89	26
September 7	70.6	43.3	95	26
September 8	70.2	43.0	95	27
September 9	69.8	42.6	91	27
September 10	69.4	42.2	94	20
September 11	69.1	41.9	94	25
September 12	68.7	41.6	94	25
September 13	68.3	41.3	90	21
September 14	67.9	41.1	92	20
September 15	67.4	40.8	91	22
September 16	66.9	40.5	87	20
September 17	66.4	40.2	86	21
September 18	66.0	39.8	87	24
September 19	65.6	39.4	87	25
September 20	65.2	39.0	89	20
September 21	64.6	38.6	87	22
September 22	64.1	38.2	91	22
September 23	63.7	37.8	91	18
September 24	63.3	37.6	86	18
September 25	63.0	37.4	86	20
September 26	62.7	37.1	84	19
September 27	62.3	36.7	81	18
September 28	62.0	36.3	82	18
September 29	61.6	35.9	86	20
September 30	61.2	35.6	87	15

Weather Station Details

Years	Station	Coordinates
1922–2024	Stambaugh 2SSE	location
1896–1922	Iron River	location