September weather in Winchester, VA
The average temperature in Winchester in September is 66.8°F (56.5°F–77.2°F). Average precipitation: 4.18 inches.
September is a fall month in Winchester, and is warmer than the annual average of 54.3°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
77.2°F
Avg Low
56.5°F
Precipitation
4.18 in
Daylight
12h 14m
September records in Winchester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2010) | 45.0°F (1986) | 0.48 in (1994) |
| September 2 | 95.0°F (2010) | 48.0°F (2009) | 2.96 in (2006) |
| September 3 | 95.0°F (1993) | 48.9°F (2009) | 0.29 in (1982) |
| September 4 | 95.0°F (1993) | 48.0°F (1997) | 2.07 in (2003) |
| September 5 | 97.0°F (2019) | 46.0°F (1982) | 1.15 in (1999) |
| September 6 | 93.9°F (2018) | 46.9°F (1982) | 1.35 in (2017) |
| September 7 | 97.0°F (1998) | 44.1°F (1984) | 3.25 in (1996) |
| September 8 | 91.9°F (1985) | 44.1°F (1984) | 3.32 in (1987) |
| September 9 | 93.0°F (2016) | 39.0°F (1986) | 2.92 in (2004) |
| September 10 | 91.9°F (1985) | 41.0°F (1986) | 1.35 in (2018) |
| September 11 | 96.1°F (1983) | 46.0°F (2017) | 0.58 in (2015) |
| September 12 | 98.1°F (2019) | 43.0°F (1993) | 0.43 in (1987) |
| September 13 | 97.0°F (2019) | 44.1°F (1985) | 1.72 in (2015) |
| September 14 | 93.9°F (1998) | 37.0°F (1985) | 0.72 in (2006) |
| September 15 | 93.9°F (1998) | 37.0°F (1985) | 0.72 in (1999) |
| September 16 | 97.0°F (1998) | 39.0°F (1985) | 1.59 in (1999) |
| September 17 | 95.0°F (2019) | 37.9°F (1986) | 1.32 in (1995) |
| September 18 | 86.0°F (1998) | 37.9°F (1986) | 3.73 in (2004) |
| September 19 | 84.9°F (1998) | 39.9°F (1986) | 2.67 in (2012) |
| September 20 | 91.9°F (1983) | 43.0°F (1984) | 1.97 in (2000) |
| September 21 | 91.0°F (1983) | 45.0°F (2006) | 0.35 in (1999) |
| September 22 | 93.0°F (2019) | 41.0°F (1997) | 0.76 in (2013) |
| September 23 | 95.0°F (2010) | 37.0°F (1983) | 1.55 in (1994) |
| September 24 | 93.0°F (2019) | 36.0°F (1983) | 0.84 in (2018) |
| September 25 | 96.1°F (2010) | 36.0°F (1983) | 0.67 in (2018) |
| September 26 | 89.1°F (1986) | 35.1°F (1983) | 1.78 in (2002) |
| September 27 | 90.0°F (1986) | 39.0°F (1984) | 1.08 in (1985) |
| September 28 | 93.0°F (1998) | 35.1°F (1989) | 1.95 in (2018) |
| September 29 | 91.9°F (2019) | 37.0°F (1989) | 4.71 in (2016) |
| September 30 | 91.0°F (2019) | 39.9°F (1992) | 2.33 in (2016) |