September weather in Roanoke, VA
The average temperature in Roanoke in September is 69.6°F (59.1°F–80.0°F). Average precipitation: 4.06 inches.
September is a fall month in Roanoke, and is warmer than the annual average of 58.1°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
80.0°F
Avg Low
59.1°F
Precipitation
4.06 in
Daylight
12h 14m
September records in Roanoke
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1953) | 48.0°F (1976) | 1.24 in (2000) |
| September 2 | 99.0°F (1953) | 46.0°F (1967) | 0.88 in (1993) |
| September 3 | 98.1°F (1953) | 48.9°F (1967) | 2.23 in (1981) |
| September 4 | 95.0°F (2019) | 48.9°F (1997) | 1.55 in (1996) |
| September 5 | 100.9°F (1954) | 46.0°F (1997) | 2.51 in (2011) |
| September 6 | 99.0°F (1954) | 46.0°F (1984) | 2.37 in (1996) |
| September 7 | 99.0°F (1954) | 43.0°F (1988) | 6.56 in (1987) |
| September 8 | 93.0°F (2016) | 42.1°F (1988) | 4.40 in (2004) |
| September 9 | 95.0°F (1978) | 44.1°F (2025) | 1.05 in (1993) |
| September 10 | 97.0°F (1983) | 41.0°F (1956) | 3.07 in (1950) |
| September 11 | 96.1°F (1983) | 44.1°F (1949) | 2.07 in (2018) |
| September 12 | 97.0°F (2019) | 44.1°F (1993) | 1.68 in (1989) |
| September 13 | 93.9°F (1998) | 43.0°F (1985) | 1.17 in (1966) |
| September 14 | 93.9°F (1952) | 39.9°F (1975) | 1.57 in (1966) |
| September 15 | 93.0°F (1998) | 42.1°F (1964) | 2.50 in (1989) |
| September 16 | 97.0°F (1991) | 42.1°F (1984) | 1.48 in (2018) |
| September 17 | 95.0°F (1954) | 39.9°F (2000) | 2.12 in (2020) |
| September 18 | 93.9°F (1954) | 41.0°F (1990) | 2.77 in (1975) |
| September 19 | 95.0°F (1978) | 37.9°F (1984) | 2.03 in (1966) |
| September 20 | 90.0°F (1955) | 39.9°F (2020) | 1.32 in (1969) |
| September 21 | 91.0°F (1980) | 36.0°F (1956) | 3.80 in (1979) |
| September 22 | 93.9°F (1970) | 39.9°F (1962) | 2.11 in (2021) |
| September 23 | 93.0°F (1970) | 36.0°F (1976) | 0.83 in (2011) |
| September 24 | 93.0°F (2010) | 34.0°F (1983) | 0.84 in (2024) |
| September 25 | 93.0°F (2007) | 35.1°F (1963) | 1.76 in (2024) |
| September 26 | 93.0°F (2019) | 37.9°F (1950) | 2.23 in (2009) |
| September 27 | 93.0°F (1998) | 41.0°F (1989) | 2.19 in (2015) |
| September 28 | 91.9°F (1998) | 36.0°F (1989) | 4.17 in (2004) |
| September 29 | 93.0°F (1953) | 37.0°F (1951) | 1.99 in (1957) |
| September 30 | 91.0°F (1953) | 36.0°F (1951) | 2.44 in (2010) |