Every September in Bangor, ME from 1926 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
|---|
| 2026 | 59.1 | 47 | 70.2 | 46 | 48 | 55 | 5.14 | 21 | 0 |
|---|
| 2025 | 60.7 | 27 | 73 | 18 | 48.4 | 49 | 3.06 | 55 | 0 |
|---|
| 2024 | 61.5 | 22 | 73.4 | 17 | 49.6 | 31 | 1.33 | 83 | 0 |
|---|
| 2023 | 64 | 8 | 74.1 | 13 | 53.9 | 4 | 3.54 | 42 | 0 |
|---|
| 2022 | 60.2 | 30 | 70.3 | 45 | 50.2 | 24 | 4.78 | 26 | 0 |
|---|
| 2021 | 62.3 | 16 | 71.5 | 33 | 53 | 7 | 9.42 | 2 | 0 |
|---|
| 2020 | 60 | 34 | 71.6 | 32 | 48.4 | 49 | 0.28 | 96 | 0 |
|---|
| 2019 | 58.5 | 57 | 68.9 | 61 | 48.1 | 53 | 2.81 | 59 | 0 |
|---|
| 2018 | 60.9 | 25 | 72.5 | 23 | 49.4 | 33 | 2.63 | 63 | 0 |
|---|
| 2017 | 65.1 | 4 | 76.3 | 5 | 53.9 | 4 | 2.69 | 62 | 0 |
|---|
| 2016 | 61.8 | 19 | 73.6 | 15 | 50.1 | 25 | 1.23 | 87 | 0 |
|---|
| 2015 | 64.6 | 6 | 76.4 | 4 | 52.8 | 9 | 6.89 | 8 | 0 |
|---|
| 2014 | 59.2 | 44 | 71.1 | 38 | 47.3 | 65 | 0.89 | 93 | 0 |
|---|
| 2013 | 59.2 | 44 | 69.3 | 57 | 49 | 41 | 7.17 | 5 | 0 |
|---|
| 2012 | 57.4 | 72 | 68.7 | 65 | 46.1 | 80 | 6.33 | 10 | 0 |
|---|
| 2011 | 62 | 17 | 71.7 | 30 | 52.3 | 12 | 2.79 | 60 | 0 |
|---|
| 2010 | 62.5 | 15 | 72.2 | 27 | 52.8 | 9 | 5.73 | 12 | 0 |
|---|
| 2009 | 57.2 | 75 | 69.6 | 55 | 44.7 | 88 | 1.32 | 84 | 0 |
|---|
| 2008 | 58.4 | 59 | 69 | 59 | 47.9 | 57 | 6.93 | 7 | 0 |
|---|
| 2007 | 60 | 34 | 72.5 | 23 | 47.5 | 61 | 1.64 | 78 | 0 |
|---|
| 2006 | 59 | 48 | 70.1 | 49 | 47.9 | 57 | 4.17 | 31 | 0 |
|---|
| 2005 | 61.8 | 19 | 72.6 | 21 | 50.9 | 19 | 3.53 | 44 | 0 |
|---|
| 2004 | 58.8 | 51 | 70.2 | 46 | 47.4 | 63 | 2.23 | 72 | 0 |
|---|
| 2003 | 61.3 | 24 | 72.6 | 21 | 50.1 | 25 | 5.71 | 13 | 0 |
|---|
| 2002 | 62 | 17 | 73.5 | 16 | 50.5 | 22 | 4.19 | 29 | 0 |
|---|
| 2001 | 59.6 | 38 | 72 | 28 | 47.2 | 68 | 4.04 | 34 | 0 |
|---|
| 2000 | 56.4 | 82 | 68.5 | 67 | 44.3 | 90 | 1.34 | 82 | 0 |
|---|
| 1999 | 64.2 | 7 | 74.6 | 12 | 53.8 | 6 | 9.88 | 1 | 0 |
|---|
| 1998 | 60.1 | 32 | 70.4 | 42 | 49.7 | 30 | 1.70 | 77 | 0 |
|---|
| 1997 | 57 | 78 | 67.6 | 74 | 46.4 | 75 | 3.50 | 46 | 0 |
|---|
| 1996 | 59.3 | 41 | 70.1 | 49 | 48.5 | 45 | 5.47 | 15 | 0 |
|---|
| 1995 | 55.7 | 89 | 70.2 | 46 | 41.2 | 97 | 3.06 | 55 | 0 |
|---|
| 1994 | 58.2 | 60 | 67.6 | 74 | 48.9 | 42 | 5.21 | 19 | 0 |
|---|
| 1993 | 58.7 | 53 | 68.9 | 61 | 48.5 | 45 | 3.45 | 47 | 0 |
|---|
| 1992 | 58.2 | 60 | 69.3 | 57 | 47 | 69 | 1.12 | 90 | 0 |
|---|
| 1991 | 57.3 | 74 | 68.2 | 68 | 46.4 | 75 | 4.84 | 25 | 0 |
|---|
| 1990 | 58.1 | 63 | 66.3 | 85 | 49.9 | 28 | 2.45 | 67 | 0 |
|---|
| 1989 | 59 | 48 | 68.7 | 65 | 49.4 | 33 | 4.09 | 32 | 0 |
|---|
| 1988 | 58.8 | 51 | 68.9 | 61 | 48.7 | 43 | 1.12 | 90 | 0 |
|---|
| 1987 | 57.2 | 75 | 66.8 | 81 | 47.6 | 60 | 5.21 | 19 | 0 |
|---|
| 1986 | 58 | 64 | 67.5 | 77 | 48.5 | 45 | 3.40 | 49 | 0 |
|---|
| 1985 | 61.4 | 23 | 71.4 | 34 | 51.3 | 17 | 4.04 | 34 | 0 |
|---|
| 1984 | 56.8 | 80 | 68.2 | 68 | 45.5 | 83 | 2.40 | 69 | 0 |
|---|
| 1983 | 62.9 | 13 | 75.4 | 9 | 50.3 | 23 | 1.57 | 79 | 0 |
|---|
| 1982 | 60.1 | 32 | 68.8 | 64 | 51.5 | 16 | 2.54 | 64 | 0 |
|---|
| 1981 | 57.7 | 70 | 66.3 | 85 | 49.1 | 38 | 6.88 | 9 | 0 |
|---|
| 1980 | 56.9 | 79 | 67.6 | 74 | 46.2 | 79 | 3.80 | 37 | 0 |
|---|
| 1979 | 59.9 | 36 | 70.4 | 42 | 49.3 | 37 | 2.42 | 68 | 0 |
|---|
| 1978 | 54.6 | 94 | 66.1 | 88 | 43.1 | 95 | 1.29 | 85 | 0 |
|---|
| 1977 | 56 | 85 | 63.7 | 96 | 48.2 | 52 | 5.71 | 13 | 0 |
|---|
| 1976 | 57.8 | 68 | 67.5 | 77 | 48 | 55 | 1.27 | 86 | 0 |
|---|
| 1975 | 58.2 | 60 | 66.4 | 82 | 50 | 27 | 5.01 | 22 | 0 |
|---|
| 1974 | 57.4 | 72 | 66.2 | 87 | 48.5 | 45 | 3.45 | 47 | 0 |
|---|
| 1973 | 55.9 | 87 | 65.3 | 90 | 46.6 | 74 | 3.18 | 52 | 0 |
|---|
| 1972 | 59.3 | 41 | 69.4 | 56 | 49.1 | 38 | 4.88 | 24 | 0 |
|---|
| 1971 | 62.7 | 14 | 72.5 | 23 | 52.9 | 8 | 2.73 | 61 | 0 |
|---|
| 1970 | 58.6 | 55 | 66.4 | 82 | 50.9 | 19 | 2.02 | 76 | 0 |
|---|
| 1969 | 56 | 85 | 65.3 | 90 | 46.7 | 73 | 7.21 | 4 | 0 |
|---|
| 1968 | 61.8 | 19 | 72.3 | 26 | 51.2 | 18 | 2.11 | 74 | 0 |
|---|
| 1967 | 57.8 | 68 | 67.4 | 79 | 48.1 | 53 | 5.46 | 16 | 0 |
|---|
| 1966 | 56.1 | 84 | 67 | 80 | 45.3 | 84 | 3.53 | 44 | 0 |
|---|
| 1965 | 57.2 | 75 | 68 | 71 | 46.4 | 75 | 2.17 | 73 | 0 |
|---|
| 1964 | 54.5 | 95 | 65.6 | 89 | 43.5 | 92 | 1.57 | 79 | 0 |
|---|
| 1963 | 54.1 | 96 | 64.9 | 92 | 43.2 | 94 | 2.26 | 71 | 0 |
|---|
| 1962 | 55 | 90 | 63.5 | 97 | 46.4 | 75 | 4.91 | 23 | 0 |
|---|
| 1961 | 65.3 | 3 | 75.1 | 10 | 55.4 | 2 | 3.91 | 36 | 0 |
|---|
| 1960 | 59.6 | 38 | 69.9 | 53 | 49.4 | 33 | 4.46 | 27 | 0 |
|---|
| 1959 | 60.8 | 26 | 70.6 | 41 | 50.9 | 19 | 2.86 | 58 | 0 |
|---|
| 1958 | 58.5 | 57 | 67.9 | 73 | 49.1 | 38 | 3.54 | 42 | 0 |
|---|
| 1957 | 60.2 | 30 | 70.8 | 39 | 49.6 | 31 | 1.52 | 81 | 0 |
|---|
| 1956 | 54.9 | 92 | 64.5 | 94 | 45.3 | 84 | 3.67 | 40 | 0 |
|---|
| 1955 | 56.6 | 81 | 66.4 | 82 | 46.8 | 71 | 1.15 | 89 | 0 |
|---|
| 1954 | 56.2 | 83 | 64.5 | 94 | 47.9 | 57 | 9.03 | 3 | 0 |
|---|
| 1953 | 59.7 | 37 | 70 | 52 | 49.4 | 33 | 3.65 | 41 | 0 |
|---|
| 1952 | | | | | | | 3.07 | 54 | 30 |
|---|
| 1951 | | | | | | | 3.11 | 53 | 30 |
|---|
| 1950 | | | | | | | 1.20 | 88 | 30 |
|---|
| 1949 | | | 71.8 | 29 | | | 4.18 | 30 | 6 |
|---|
| 1948 | 67.8 | 1 | 78.9 | 1 | 56.7 | 1 | 0.74 | 94 | 0 |
|---|
| 1947 | 57.9 | 66 | 70.7 | 40 | 45.1 | 86 | 2.10 | 75 | 1 |
|---|
| 1946 | 59.4 | 40 | 72.8 | 19 | 46 | 81 | | | 0 |
|---|
| 1945 | 59.3 | 41 | 71.7 | 30 | 46.9 | 70 | | | 0 |
|---|
| 1944 | 57.9 | 66 | 70.1 | 49 | 45.6 | 82 | | | 0 |
|---|
| 1943 | 55 | 90 | 68.1 | 70 | 41.9 | 96 | 2.97 | 57 | 0 |
|---|
| 1942 | 58 | 64 | 71.3 | 35 | 44.6 | 89 | 3.21 | 51 | 0 |
|---|
| 1941 | 57.7 | 70 | 71.3 | 35 | 44.2 | 91 | | | 0 |
|---|
| 1940 | 55.8 | 88 | 68 | 71 | 43.5 | 92 | | | 0 |
|---|
| 1939 | 58.7 | 53 | 69 | 59 | 48.3 | 51 | 3.27 | 50 | 0 |
|---|
| 1938 | | | | | 47.5 | 61 | 5.45 | 17 | 4 |
|---|
| 1937 | 63.4 | 12 | 77 | 3 | 49.9 | 28 | 2.53 | 66 | 0 |
|---|
| 1936 | 60.7 | 27 | 72.8 | 19 | 48.6 | 44 | 2.54 | 64 | 0 |
|---|
| 1935 | 59.2 | 44 | 71.2 | 37 | 47.3 | 65 | 3.78 | 38 | 0 |
|---|
| 1934 | 65.6 | 2 | 75.8 | 7 | 55.4 | 2 | 6.98 | 6 | 0 |
|---|
| 1933 | 64 | 8 | 75.6 | 8 | 52.4 | 11 | 3.68 | 39 | 0 |
|---|
| 1932 | 64 | 8 | 76 | 6 | 51.9 | 14 | 5.82 | 11 | 0 |
|---|
| 1931 | 63.5 | 11 | 75 | 11 | 51.9 | 14 | 4.07 | 33 | 0 |
|---|
| 1930 | 65 | 5 | 77.7 | 2 | 52.3 | 12 | 2.32 | 70 | 0 |
|---|
| 1929 | 60.3 | 29 | 73.7 | 14 | 46.8 | 71 | 0.64 | 95 | 0 |
|---|
| 1928 | 54.8 | 93 | 64.6 | 93 | 45 | 87 | 5.39 | 18 | 0 |
|---|
| 1927 | 58.9 | 50 | 70.4 | 42 | 47.4 | 63 | 1.05 | 92 | 0 |
|---|
| 1926 | 58.6 | 55 | 69.9 | 53 | 47.3 | 65 | 4.26 | 28 | 0 |
|---|