Average September Temperature in Coeur d'Alene by Year

This page contains a list of the average monthly high and low temperatures in Coeur d'Alene, Idaho for the month of September each year between 1895 and 2023. It is based on NOAA data.
Change:
Month:
What Was the Hottest September Ever in Coeur d'Alene?
1967 was the warmest September in the history of Coeur d'Alene, Idaho. The average daily high temperature was 85.9 °F, and the average low was 49.2 °F.
What Was the Coldest September Ever in Coeur d'Alene?
1921 was the coolest September in the history of Coeur d'Alene, Idaho. The average daily high temperature was 63.0 °F, and the average low was 39.4 °F.
* click column headers to sort
Year Rank High (°F) Low (°F)
2023 25 73.3 49.9
2022 6 80.2 50.1
2020 18 75.8 48.8
2019 43 70.0 50.6
2018 54 71.1 47.7
2017 32 73.1 49.3
2016 48 71.6 48.2
2015 66 70.5 46.1
2014 5 79.4 51.8
2012 20 76.7 47.5
2011 9 78.1 49.0
2010 57 69.5 48.8
2009 13 77.1 49.0
2007 46 72.8 47.4
2006 41 74.5 46.5
2005 67 69.9 46.5
2004 62 68.9 48.4
2003 24 74.8 48.6
2002 37 73.3 48.0
2001 8 77.9 49.9
2000 81 68.1 45.6
1999 58 73.8 44.1
1998 4 78.9 52.6
1997 21 75.0 49.2
1996 74 69.5 45.5
1985 94 65.8 43.0
1984 76 71.1 42.9
1983 79 70.0 43.8
1982 50 74.4 45.3
1981 29 76.9 45.8
1980 34 73.9 47.9
1979 11 79.0 47.6
1978 65 70.3 46.6
1977 75 68.9 45.5
1976 12 81.2 44.9
1975 42 77.8 43.1
1974 26 79.2 44.1
1973 27 77.4 45.5
1972 85 69.0 43.5
1971 87 70.2 41.8
1970 93 69.5 41.2
1969 23 75.9 47.6
1968 40 73.7 47.5
1967 1 85.9 49.2
1966 7 81.9 48.2
1965 95 67.7 40.9
1964 82 70.1 43.3
1963 3 82.9 49.5
1962 28 78.0 44.8
1961 80 71.7 42.0
1960 38 77.3 43.9
1959 69 68.8 46.9
1958 51 75.0 44.6
1957 22 79.8 44.1
1955 36 76.1 45.2
1954 61 72.6 44.8
1953 30 78.5 44.2
1952 15 80.1 45.1
1951 55 75.5 43.1
1950 35 79.2 42.2
1949 45 77.1 43.3
1948 71 74.3 41.3
1945 88 70.3 41.5
1944 31 78.3 44.1
1943 19 83.9 40.5
1942 33 80.5 41.5
1941 89 66.7 44.7
1940 14 76.0 49.3
1939 53 76.2 42.8
1938 2 83.6 49.2
1937 39 76.6 44.5
1936 72 72.4 43.2
1935 16 78.9 46.1
1934 86 69.4 42.9
1933 90 67.7 43.5
1932 63 75.2 42.0
1931 59 71.2 46.6
1930 44 73.6 46.9
1929 84 71.0 42.2
1928 52 75.8 43.5
1927 91 65.0 46.1
1926 97 64.1 41.0
1925 49 73.8 45.9
1924 70 73.0 42.6
1923 56 75.8 42.8
1922 60 73.3 44.5
1921 98 63.0 39.4
1920 92 67.0 43.9
1919 64 73.0 44.0
1918 10 80.6 46.4
1917 17 77.3 47.3
1916 68 71.7 44.3
1915 77 69.1 44.8
1914 78 68.7 45.1
1913 47 79.7 40.2
1897 83 69.4 43.8
1896 73 71.6 43.5
1895 96 64.2 41.1
Weather Station Details
Years Station Coordinates
1895–2024 Coeur d'Alene location