September weather in Massena, NY
The average temperature in Massena in September is 59.5°F (47.8°F–71.2°F). Average precipitation: 3.50 inches.
September is a fall month in Massena, and is warmer than the annual average of 44.1°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
71.2°F
Avg Low
47.8°F
Precipitation
3.50 in
Daylight
12h 18m
September records in Massena
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (1953) | 37.9°F (1985) | 1.81 in (1989) |
| September 2 | 95.0°F (1973) | 36.0°F (1992) | 0.98 in (1977) |
| September 3 | 91.9°F (1973) | 34.0°F (1976) | 1.47 in (1992) |
| September 4 | 95.0°F (1953) | 36.0°F (1987) | 1.74 in (1966) |
| September 5 | 93.9°F (2018) | 37.0°F (1963) | 2.65 in (1973) |
| September 6 | 89.1°F (1983) | 33.1°F (2000) | 1.38 in (1999) |
| September 7 | 91.9°F (2007) | 36.0°F (1982) | 0.79 in (2015) |
| September 8 | 91.9°F (2002) | 33.1°F (1952) | 1.34 in (2005) |
| September 9 | 93.0°F (2002) | 33.1°F (1955) | 2.42 in (2004) |
| September 10 | 90.0°F (2002) | 32.0°F (1953) | 2.61 in (1981) |
| September 11 | 88.0°F (2013) | 30.0°F (1967) | 1.55 in (1971) |
| September 12 | 86.0°F (1951) | 30.0°F (1967) | 1.79 in (1963) |
| September 13 | 90.0°F (1951) | 32.0°F (1964) | 1.17 in (1977) |
| September 14 | 87.1°F (1993) | 27.0°F (1963) | 4.97 in (1979) |
| September 15 | 89.1°F (2018) | 33.1°F (1960) | 1.24 in (2002) |
| September 16 | 88.0°F (2018) | 28.0°F (1959) | 1.07 in (1957) |
| September 17 | 87.1°F (2018) | 30.0°F (1959) | 1.40 in (1962) |
| September 18 | 86.0°F (1955) | 30.2°F (2020) | 1.33 in (2012) |
| September 19 | 87.1°F (1955) | 28.2°F (2014) | 0.78 in (2022) |
| September 20 | 88.0°F (1983) | 28.9°F (1969) | 0.74 in (1997) |
| September 21 | 84.9°F (1965) | 27.1°F (2020) | 1.51 in (1983) |
| September 22 | 88.0°F (1965) | 29.1°F (2020) | 1.02 in (1992) |
| September 23 | 86.0°F (2017) | 27.0°F (1955) | 1.17 in (1981) |
| September 24 | 88.0°F (2017) | 27.0°F (1953) | 2.14 in (2001) |
| September 25 | 91.0°F (2017) | 28.0°F (1963) | 0.95 in (1975) |
| September 26 | 87.1°F (2017) | 27.0°F (1978) | 2.09 in (1975) |
| September 27 | 89.1°F (2017) | 26.1°F (1956) | 2.62 in (1985) |
| September 28 | 84.9°F (1959) | 24.1°F (1956) | 1.22 in (1949) |
| September 29 | 84.0°F (1959) | 26.1°F (1980) | 1.06 in (2011) |
| September 30 | 82.0°F (1953) | 26.1°F (1951) | 3.41 in (2010) |