September weather in Unionville, NY
The average temperature in Unionville in September is 63.0°F (53.0°F–73.1°F). Average precipitation: inches.
September is a fall month in Unionville, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
73.1°F
Avg Low
53.0°F
Precipitation
in
Daylight
12h 16m
September records in Unionville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 84.9°F (1993) | 50.0°F (1992) | 1.09 in (2003) |
| September 2 | 84.9°F (1996) | 43.0°F (1992) | 1.27 in (2003) |
| September 3 | 89.1°F (1993) | 43.0°F (1994) | 0.84 in (2000) |
| September 4 | 84.9°F (1995) | 43.0°F (1997) | 0.79 in (1993) |
| September 5 | 87.1°F (1995) | 44.1°F (2000) | 0.30 in (1999) |
| September 6 | 87.1°F (1998) | 39.9°F (2003) | 0.67 in (1999) |
| September 7 | 86.0°F (1995) | 46.9°F (2000) | 1.19 in (1999) |
| September 8 | 87.1°F (2002) | 48.0°F (2000) | 0.70 in (1999) |
| September 9 | 91.0°F (2002) | 46.9°F (1998) | 0.44 in (1999) |
| September 10 | 91.0°F (2002) | 46.9°F (1995) | 0.80 in (1993) |
| September 11 | 78.1°F (2003) | 37.9°F (1995) | 2.81 in (1997) |
| September 12 | 84.9°F (1998) | 41.0°F (1993) | 0.01 in (1993) |
| September 13 | 84.0°F (2001) | 43.0°F (1992) | 0.81 in (1996) |
| September 14 | 82.9°F (1995) | 46.9°F (1992) | 0.96 in (2001) |
| September 15 | 84.0°F (1993) | 45.0°F (2001) | 1.10 in (2002) |
| September 16 | 82.0°F (1992) | 43.0°F (1995) | 6.80 in (1999) |
| September 17 | 81.0°F (1992) | 42.1°F (2000) | 2.05 in (1996) |
| September 18 | 81.0°F (1992) | 48.0°F (1995) | 0.98 in (1996) |
| September 19 | 80.1°F (2003) | 41.0°F (1995) | 1.15 in (2003) |
| September 20 | 81.0°F (1998) | 34.0°F (1993) | 1.19 in (2001) |
| September 21 | 81.0°F (1998) | 42.1°F (1997) | 0.92 in (2001) |
| September 22 | 82.0°F (2002) | 37.0°F (1997) | 1.05 in (1995) |
| September 23 | 77.0°F (2001) | 42.1°F (1992) | 2.35 in (2003) |
| September 24 | 73.9°F (1999) | 33.1°F (1992) | 0.13 in (2001) |
| September 25 | 73.9°F (2003) | 35.1°F (1992) | 0.64 in (2001) |
| September 26 | 75.0°F (1998) | 39.0°F (2001) | 0.64 in (1993) |
| September 27 | 89.1°F (1998) | 37.9°F (1997) | 2.31 in (1994) |
| September 28 | 75.9°F (1999) | 37.0°F (2000) | 1.24 in (1996) |
| September 29 | 75.9°F (1999) | 30.0°F (2000) | 0.41 in (1997) |
| September 30 | 72.0°F (2002) | 36.0°F (2000) | 1.17 in (1999) |