September weather in Charleston, WV
The average temperature in Charleston in September is 68.3°F (57.1°F–79.5°F). Average precipitation: 3.46 inches.
September is a fall month in Charleston, and is warmer than the annual average of 56.2°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 14m. For travel, September is one of the best months of the year to visit.
Avg High
79.5°F
Avg Low
57.1°F
Precipitation
3.46 in
Daylight
12h 14m
September records in Charleston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1953) | 48.0°F (1967) | 3.05 in (2018) |
| September 2 | 102.0°F (1953) | 44.1°F (1949) | 1.60 in (2014) |
| September 3 | 100.9°F (1953) | 45.0°F (1967) | 1.65 in (1984) |
| September 4 | 95.0°F (1953) | 44.1°F (1997) | 0.70 in (1991) |
| September 5 | 97.0°F (1954) | 45.0°F (1997) | 1.14 in (2011) |
| September 6 | 96.1°F (2007) | 45.0°F (1950) | 2.05 in (1996) |
| September 7 | 95.0°F (1964) | 45.0°F (1988) | 1.30 in (1987) |
| September 8 | 93.9°F (2002) | 43.0°F (2024) | 2.42 in (2004) |
| September 9 | 96.1°F (1964) | 42.1°F (2024) | 2.13 in (2018) |
| September 10 | 97.0°F (2019) | 42.1°F (1949) | 1.74 in (1989) |
| September 11 | 95.0°F (1983) | 44.1°F (1958) | 1.03 in (1965) |
| September 12 | 95.0°F (2019) | 44.1°F (1993) | 1.34 in (1975) |
| September 13 | 98.1°F (1952) | 43.0°F (1967) | 2.05 in (1991) |
| September 14 | 96.1°F (1998) | 37.9°F (1953) | 0.87 in (1956) |
| September 15 | 91.0°F (1955) | 39.9°F (1964) | 2.21 in (1956) |
| September 16 | 93.0°F (1955) | 41.0°F (2007) | 1.40 in (1996) |
| September 17 | 93.0°F (1955) | 39.0°F (2000) | 4.15 in (2004) |
| September 18 | 91.9°F (1953) | 42.1°F (1961) | 1.30 in (2003) |
| September 19 | 93.0°F (1983) | 37.0°F (1959) | 1.28 in (2003) |
| September 20 | 91.9°F (2024) | 37.9°F (1956) | 1.25 in (1954) |
| September 21 | 91.0°F (2010) | 34.0°F (1956) | 2.38 in (1950) |
| September 22 | 93.9°F (2024) | 39.0°F (1999) | 1.42 in (1990) |
| September 23 | 93.9°F (2010) | 36.0°F (1963) | 1.00 in (2018) |
| September 24 | 93.0°F (2007) | 34.0°F (1963) | 1.19 in (2001) |
| September 25 | 93.0°F (2007) | 35.1°F (1967) | 1.27 in (2000) |
| September 26 | 90.0°F (2007) | 39.9°F (1950) | 2.08 in (2009) |
| September 27 | 91.9°F (2017) | 39.9°F (1991) | 2.06 in (2018) |
| September 28 | 91.9°F (1959) | 37.9°F (1989) | 2.16 in (1996) |
| September 29 | 96.1°F (1953) | 34.0°F (1951) | 2.34 in (1973) |
| September 30 | 93.9°F (1953) | 37.0°F (1967) | 1.00 in (1976) |