September weather in Gardiner, ME
The average temperature in Gardiner in September is 61.1°F (49.7°F–72.4°F). Average precipitation: 3.93 inches.
September is a fall month in Gardiner, and is warmer than the annual average of 45.8°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
72.4°F
Avg Low
49.7°F
Precipitation
3.93 in
Daylight
12h 17m
September records in Gardiner
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1937) | 37.9°F (1904) | 1.88 in (1949) |
| September 2 | 93.9°F (1953) | 37.0°F (1963) | 1.30 in (1945) |
| September 3 | 97.0°F (1937) | 37.9°F (1893) | 2.02 in (2013) |
| September 4 | 90.0°F (1937) | 39.0°F (1962) | 1.70 in (2010) |
| September 5 | 95.0°F (1999) | 35.1°F (1963) | 1.80 in (1935) |
| September 6 | 89.1°F (2023) | 37.9°F (1902) | 3.79 in (1896) |
| September 7 | 91.9°F (1945) | 35.1°F (1962) | 4.00 in (2008) |
| September 8 | 91.9°F (1945) | 35.1°F (1952) | 1.63 in (1913) |
| September 9 | 90.0°F (2015) | 36.0°F (1925) | 3.40 in (1969) |
| September 10 | 95.0°F (2002) | 35.1°F (1956) | 1.66 in (1924) |
| September 11 | 95.0°F (1932) | 33.1°F (1917) | 5.76 in (1954) |
| September 12 | 93.0°F (1961) | 33.1°F (1933) | 1.58 in (1928) |
| September 13 | 87.1°F (1948) | 30.9°F (1946) | 1.78 in (1925) |
| September 14 | 90.0°F (1903) | 28.9°F (1963) | 2.65 in (1937) |
| September 15 | 90.0°F (1903) | 30.9°F (1963) | 3.00 in (1996) |
| September 16 | 93.0°F (1939) | 28.9°F (1959) | 2.39 in (1932) |
| September 17 | 88.0°F (1939) | 30.0°F (1948) | 5.64 in (1999) |
| September 18 | 88.0°F (1955) | 32.0°F (1959) | 5.33 in (1934) |
| September 19 | 84.9°F (1946) | 30.0°F (1943) | 1.66 in (1945) |
| September 20 | 88.0°F (1946) | 25.0°F (1964) | 2.16 in (2022) |
| September 21 | 91.9°F (1895) | 28.9°F (1956) | 2.34 in (1987) |
| September 22 | 95.0°F (1895) | 28.9°F (1962) | 1.62 in (1913) |
| September 23 | 91.9°F (1895) | 28.0°F (1904) | 1.67 in (1907) |
| September 24 | 87.1°F (1908) | 26.1°F (1963) | 2.55 in (1994) |
| September 25 | 89.1°F (2017) | 27.0°F (1963) | 1.32 in (1940) |
| September 26 | 90.0°F (2017) | 26.1°F (2009) | 2.34 in (1961) |
| September 27 | 89.1°F (2007) | 21.9°F (1955) | 1.61 in (2008) |
| September 28 | 84.9°F (2017) | 24.1°F (1965) | 1.89 in (1909) |
| September 29 | 84.9°F (2014) | 23.0°F (1980) | 1.95 in (1967) |
| September 30 | 84.0°F (1948) | 23.0°F (1941) | 2.43 in (1920) |