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
Coeur d'Alene September Weather Records
1895–2023
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 temperature 6.9 °F
above average
1967
Coldest average temperature -9.5 °F
below average
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)
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
1895–2023 Coeur d'Alene location