September weather in Caribou, ME
The average temperature in Caribou in September is 56.6°F (45.9°F–67.3°F). Average precipitation: 3.44 inches.
September is a fall month in Caribou, and is warmer than the annual average of 40.7°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
67.3°F
Avg Low
45.9°F
Precipitation
3.44 in
Snow
0.1 in
September records in Caribou
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2010) | 37.0°F (1979) | 1.60 in (1949) |
| September 2 | 88.0°F (1979) | 36.0°F (1991) | 1.18 in (2013) |
| September 3 | 90.0°F (1999) | 30.0°F (1976) | 1.83 in (1959) |
| September 4 | 86.0°F (2023) | 32.0°F (1989) | 1.62 in (1972) |
| September 5 | 86.0°F (1983) | 32.0°F (1963) | 1.24 in (2011) |
| September 6 | 86.0°F (1948) | 34.0°F (2000) | 3.08 in (1979) |
| September 7 | 88.0°F (2015) | 33.1°F (1962) | 0.99 in (1953) |
| September 8 | 87.1°F (2001) | 28.9°F (1952) | 1.48 in (1999) |
| September 9 | 88.0°F (2001) | 35.1°F (1955) | 3.00 in (1969) |
| September 10 | 89.1°F (2002) | 32.0°F (1956) | 0.90 in (1993) |
| September 11 | 84.0°F (1961) | 28.0°F (1949) | 6.21 in (1954) |
| September 12 | 82.0°F (1951) | 32.0°F (1967) | 1.23 in (2013) |
| September 13 | 87.1°F (1951) | 30.9°F (1963) | 0.96 in (2011) |
| September 14 | 84.0°F (2018) | 28.0°F (1963) | 1.36 in (1977) |
| September 15 | 87.1°F (2018) | 28.0°F (1952) | 0.96 in (1961) |
| September 16 | 82.9°F (2024) | 28.9°F (1959) | 1.18 in (2023) |
| September 17 | 88.0°F (2018) | 28.9°F (1948) | 2.60 in (1999) |
| September 18 | 86.0°F (2024) | 28.9°F (1986) | 1.83 in (1948) |
| September 19 | 84.0°F (1968) | 27.0°F (2008) | 0.92 in (1981) |
| September 20 | 87.1°F (1985) | 27.0°F (1950) | 1.09 in (1955) |
| September 21 | 84.0°F (1968) | 27.1°F (2020) | 1.04 in (1987) |
| September 22 | 86.0°F (1965) | 23.0°F (1950) | 1.35 in (1983) |
| September 23 | 86.0°F (1965) | 27.0°F (2008) | 1.86 in (1990) |
| September 24 | 84.9°F (2017) | 26.2°F (2018) | 1.33 in (1967) |
| September 25 | 88.0°F (2017) | 27.0°F (1950) | 1.97 in (1970) |
| September 26 | 88.0°F (2017) | 26.1°F (2009) | 2.03 in (1961) |
| September 27 | 78.1°F (2020) | 24.1°F (1971) | 1.32 in (2008) |
| September 28 | 84.0°F (2014) | 25.0°F (1965) | 1.91 in (2008) |
| September 29 | 82.9°F (2020) | 23.0°F (1980) | 0.89 in (1997) |
| September 30 | 77.0°F (1950) | 28.0°F (1953) | 1.48 in (2015) |