September weather in Rensselaer Falls, NY
The average temperature in Rensselaer Falls in September is 59.8°F (48.8°F–70.8°F). Average precipitation: 3.94 inches.
September is a fall month in Rensselaer Falls, and is warmer than the annual average of 44.6°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
70.8°F
Avg Low
48.8°F
Precipitation
3.94 in
Daylight
12h 17m
September records in Rensselaer Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.0°F (1932) | 34.0°F (1991) | 1.41 in (1940) |
| September 2 | 91.9°F (1953) | 30.9°F (1967) | 1.74 in (1947) |
| September 3 | 93.0°F (1953) | 33.1°F (1976) | 2.21 in (1959) |
| September 4 | 93.0°F (1953) | 34.0°F (1994) | 1.30 in (1963) |
| September 5 | 91.0°F (1929) | 33.1°F (1994) | 2.86 in (2012) |
| September 6 | 91.0°F (1973) | 33.1°F (1960) | 1.75 in (1985) |
| September 7 | 89.1°F (1945) | 34.0°F (1967) | 1.57 in (1898) |
| September 8 | 91.9°F (2007) | 30.0°F (1990) | 0.97 in (1999) |
| September 9 | 91.0°F (1959) | 30.9°F (1938) | 1.27 in (1926) |
| September 10 | 93.0°F (2002) | 30.0°F (1973) | 1.25 in (2013) |
| September 11 | 89.1°F (1931) | 32.0°F (1967) | 1.43 in (1981) |
| September 12 | 87.1°F (2013) | 30.9°F (1967) | 3.82 in (2013) |
| September 13 | 90.0°F (1931) | 28.9°F (1978) | 1.81 in (1963) |
| September 14 | 84.9°F (1982) | 30.0°F (1963) | 1.96 in (1977) |
| September 15 | 88.0°F (1939) | 28.0°F (1895) | 3.33 in (1979) |
| September 16 | 89.1°F (1939) | 26.1°F (1959) | 1.48 in (1925) |
| September 17 | 88.0°F (1899) | 27.0°F (1959) | 2.34 in (1999) |
| September 18 | 88.0°F (1942) | 28.9°F (1990) | 2.88 in (1945) |
| September 19 | 86.0°F (1946) | 27.0°F (2014) | 1.47 in (1954) |
| September 20 | 87.1°F (1946) | 27.0°F (1929) | 1.25 in (1894) |
| September 21 | 87.1°F (1895) | 25.0°F (1929) | 2.44 in (1938) |
| September 22 | 89.1°F (1895) | 30.9°F (1929) | 1.60 in (1967) |
| September 23 | 88.0°F (1965) | 25.0°F (1896) | 0.96 in (1989) |
| September 24 | 84.9°F (1961) | 24.1°F (1963) | 2.86 in (1898) |
| September 25 | 84.9°F (1941) | 28.0°F (1943) | 2.83 in (2001) |
| September 26 | 88.0°F (2007) | 21.9°F (1978) | 2.34 in (1975) |
| September 27 | 80.1°F (1970) | 26.1°F (1989) | 1.27 in (2007) |
| September 28 | 86.0°F (1946) | 25.0°F (1897) | 3.20 in (1985) |
| September 29 | 84.0°F (1959) | 24.1°F (1980) | 1.88 in (2006) |
| September 30 | 82.0°F (1898) | 21.9°F (1991) | 1.63 in (1986) |