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Coeur d'Alene September Weather

Averages and records for weather in Coeur d'Alene, Idaho in the month of September.

Typical Coeur d'Alene September Weather 1991–2020
Average daily high	73.6 °F
Average daily low	48.2 °F
Average monthly precipitation	0.8 inches
Daily chance of precipitation	18.4%

Coeur d'Alene September Weather Records 1895–2024
Highest temperature	102 °F	September 1, 1967
Lowest temperature	17 °F	September 24, 1926
Highest daily low	68 °F	September 1, 2022
Lowest daily high	38 °F	September 24, 1926
Hottest average high temperature	85.9 °F	1967
Coldest average high temperature	63.0 °F	1921
Most daily precipitation	2.0 inches	September 5, 1940
Most monthly precipitation	6.3 inches	1927

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	79.2	52.6	102	38
September 2	78.9	52.3	99	31
September 3	78.5	52.0	98	33
September 4	77.9	51.8	101	38
September 5	77.4	51.5	98	36
September 6	77.0	51.2	97	34
September 7	76.6	50.9	98	29
September 8	76.2	50.5	96	30
September 9	75.9	50.2	94	34
September 10	75.5	50.0	97	26
September 11	75.1	49.7	96	35
September 12	74.7	49.4	92	29
September 13	74.3	49.1	93	24
September 14	73.9	48.7	90	25
September 15	73.6	48.4	92	27
September 16	73.3	48.1	92	27
September 17	73.0	47.8	95	30
September 18	72.6	47.5	97	28
September 19	72.2	47.1	98	28
September 20	71.6	46.8	90	24
September 21	71.1	46.4	93	30
September 22	70.7	46.0	93	28
September 23	70.3	45.7	93	28
September 24	69.8	45.4	94	17
September 25	69.3	45.1	94	22
September 26	68.8	44.7	90	25
September 27	68.1	44.3	89	29
September 28	67.4	43.9	90	27
September 29	66.8	43.5	89	27
September 30	66.2	43.2	86	26

Weather Station Details

Years	Station	Coordinates
1895–2024	Coeur d'Alene	location