September weather in Charles Town, WV
The average temperature in Charles Town in September is 66.7°F (55.3°F–78.1°F). Average precipitation: 4.03 inches.
September is a fall month in Charles Town, and is warmer than the annual average of 54.1°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
78.1°F
Avg Low
55.3°F
Precipitation
4.03 in
Daylight
12h 15m
September records in Charles Town
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1932) | 44.1°F (1946) | 3.64 in (2021) |
| September 2 | 102.9°F (1932) | 43.0°F (1967) | 2.29 in (2000) |
| September 3 | 102.0°F (1953) | 42.1°F (1967) | 2.36 in (1993) |
| September 4 | 99.0°F (1925) | 45.0°F (1934) | 1.95 in (1907) |
| September 5 | 97.0°F (1937) | 44.1°F (1974) | 2.63 in (1979) |
| September 6 | 100.0°F (1998) | 42.1°F (1924) | 3.15 in (1996) |
| September 7 | 100.0°F (1943) | 39.0°F (1924) | 1.80 in (1900) |
| September 8 | 93.9°F (1916) | 41.0°F (2025) | 2.32 in (2004) |
| September 9 | 100.9°F (1939) | 39.9°F (1986) | 2.68 in (2018) |
| September 10 | 99.0°F (1925) | 35.1°F (1956) | 2.20 in (1909) |
| September 11 | 100.0°F (1925) | 32.0°F (1917) | 1.61 in (1971) |
| September 12 | 102.0°F (1925) | 34.0°F (1967) | 0.92 in (2015) |
| September 13 | 100.0°F (1931) | 39.9°F (1917) | 1.75 in (1934) |
| September 14 | 100.0°F (1931) | 34.0°F (1964) | 3.64 in (1966) |
| September 15 | 98.1°F (1998) | 35.1°F (1946) | 2.00 in (1993) |
| September 16 | 98.1°F (1991) | 37.9°F (1902) | 2.26 in (1976) |
| September 17 | 96.1°F (1991) | 33.1°F (1923) | 3.02 in (1945) |
| September 18 | 96.1°F (1925) | 34.0°F (1959) | 2.07 in (2012) |
| September 19 | 95.0°F (1983) | 35.1°F (1929) | 1.79 in (2000) |
| September 20 | 99.0°F (1925) | 32.0°F (2020) | 1.40 in (1928) |
| September 21 | 93.9°F (1965) | 28.9°F (1956) | 2.31 in (1979) |
| September 22 | 97.0°F (1931) | 32.0°F (1927) | 1.12 in (1975) |
| September 23 | 100.9°F (1931) | 30.9°F (1913) | 1.72 in (1919) |
| September 24 | 96.1°F (1970) | 28.9°F (1963) | 6.18 in (1912) |
| September 25 | 93.9°F (1930) | 28.9°F (1963) | 1.86 in (1975) |
| September 26 | 93.0°F (1933) | 33.1°F (1927) | 1.94 in (2002) |
| September 27 | 96.1°F (1930) | 30.0°F (1947) | 1.46 in (2018) |
| September 28 | 90.0°F (2019) | 28.9°F (1947) | 3.19 in (2004) |
| September 29 | 93.0°F (1953) | 32.0°F (1947) | 2.10 in (1896) |
| September 30 | 93.9°F (1953) | 32.0°F (1951) | 3.29 in (2010) |