September weather in White Plains, NY
The average temperature in White Plains in September is 65.4°F (56.7°F–74.2°F). Average precipitation: 4.94 inches.
September is a fall month in White Plains, and is warmer than the annual average of 52°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
74.2°F
Avg Low
56.7°F
Precipitation
4.94 in
Daylight
12h 15m
September records in White Plains
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (1953) | 46.9°F (1948) | 6.06 in (2021) |
| September 2 | 100.0°F (1953) | 46.0°F (1949) | 1.95 in (2006) |
| September 3 | 93.0°F (1993) | 48.0°F (1965) | 5.01 in (1974) |
| September 4 | 91.0°F (1961) | 50.0°F (1976) | 1.72 in (1988) |
| September 5 | 93.0°F (1983) | 48.0°F (2000) | 0.40 in (1947) |
| September 6 | 98.1°F (1983) | 46.0°F (1988) | 4.42 in (2008) |
| September 7 | 93.0°F (2023) | 45.0°F (1988) | 2.17 in (2011) |
| September 8 | 95.0°F (2015) | 45.0°F (1978) | 5.93 in (2004) |
| September 9 | 91.0°F (1959) | 44.1°F (1990) | 0.80 in (1996) |
| September 10 | 93.9°F (1983) | 41.0°F (1975) | 3.07 in (2015) |
| September 11 | 98.1°F (1983) | 45.0°F (1949) | 4.93 in (1954) |
| September 12 | 91.0°F (1961) | 39.9°F (1977) | 3.19 in (1960) |
| September 13 | 89.1°F (1952) | 45.0°F (1955) | 4.09 in (1971) |
| September 14 | 91.0°F (1952) | 42.1°F (1963) | 1.55 in (1989) |
| September 15 | 87.1°F (1993) | 39.9°F (1975) | 1.33 in (1947) |
| September 16 | 88.0°F (1991) | 39.9°F (1984) | 1.74 in (2010) |
| September 17 | 90.0°F (1970) | 42.1°F (1959) | 4.71 in (1999) |
| September 18 | 90.0°F (1972) | 42.1°F (1959) | 1.83 in (2004) |
| September 19 | 93.0°F (1983) | 39.9°F (1956) | 1.45 in (1960) |
| September 20 | 91.0°F (1983) | 32.0°F (2004) | 2.10 in (2000) |
| September 21 | 84.9°F (1980) | 37.0°F (1956) | 4.18 in (1966) |
| September 22 | 89.1°F (1980) | 37.0°F (1948) | 2.01 in (1946) |
| September 23 | 91.9°F (1970) | 37.9°F (1974) | 2.44 in (1975) |
| September 24 | 93.9°F (1970) | 36.0°F (1974) | 1.68 in (1975) |
| September 25 | 87.1°F (2017) | 39.0°F (1989) | 4.41 in (2018) |
| September 26 | 89.1°F (1970) | 37.0°F (1978) | 5.06 in (1975) |
| September 27 | 86.0°F (1998) | 37.9°F (1957) | 3.81 in (1985) |
| September 28 | 84.9°F (2025) | 35.1°F (1957) | 2.74 in (2004) |
| September 29 | 80.1°F (1948) | 36.0°F (2000) | 4.10 in (2023) |
| September 30 | 84.0°F (1986) | 34.0°F (1991) | 1.60 in (2010) |