September weather in Chester, SC
The average temperature in Chester in September is 72.2°F (61.5°F–82.9°F). Average precipitation: 3.80 inches.
September is a fall month in Chester, and is warmer than the annual average of 60.4°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
82.9°F
Avg Low
61.5°F
Precipitation
3.80 in
Daylight
12h 12m
September records in Chester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1957) | 46.0°F (1999) | 1.46 in (2017) |
| September 2 | 100.0°F (1944) | 45.0°F (1954) | 1.50 in (1924) |
| September 3 | 100.0°F (1944) | 48.9°F (1954) | 3.33 in (1936) |
| September 4 | 105.1°F (1925) | 43.0°F (1936) | 5.61 in (1998) |
| September 5 | 102.0°F (1925) | 43.0°F (1997) | 2.42 in (1928) |
| September 6 | 105.1°F (1954) | 43.0°F (1997) | 2.75 in (1981) |
| September 7 | 105.1°F (1925) | 46.0°F (1997) | 3.97 in (1987) |
| September 8 | 105.1°F (1925) | 45.0°F (1965) | 5.72 in (2004) |
| September 9 | 104.0°F (1925) | 46.9°F (1956) | 2.28 in (1968) |
| September 10 | 100.9°F (1939) | 41.0°F (1956) | 2.61 in (1925) |
| September 11 | 99.0°F (1925) | 43.0°F (1956) | 1.65 in (1987) |
| September 12 | 96.1°F (1925) | 46.0°F (1993) | 2.24 in (1987) |
| September 13 | 96.1°F (1951) | 46.9°F (1958) | 1.85 in (1964) |
| September 14 | 97.0°F (1956) | 45.0°F (1960) | 2.40 in (1924) |
| September 15 | 97.0°F (1956) | 45.0°F (1996) | 3.51 in (1976) |
| September 16 | 98.1°F (1956) | 45.0°F (1964) | 6.46 in (1962) |
| September 17 | 96.1°F (1939) | 39.9°F (1961) | 4.00 in (1928) |
| September 18 | 98.1°F (1954) | 43.0°F (2001) | 2.94 in (2020) |
| September 19 | 100.0°F (1925) | 45.0°F (1981) | 3.25 in (1966) |
| September 20 | 97.0°F (1954) | 42.1°F (1959) | 2.70 in (1969) |
| September 21 | 97.0°F (1954) | 44.1°F (1959) | 2.35 in (1924) |
| September 22 | 100.0°F (1925) | 42.1°F (1938) | 2.79 in (1944) |
| September 23 | 96.1°F (1961) | 37.9°F (1999) | 4.00 in (2000) |
| September 24 | 96.1°F (1961) | 37.9°F (1999) | 2.25 in (2011) |
| September 25 | 93.0°F (1984) | 35.1°F (1997) | 1.87 in (2015) |
| September 26 | 95.0°F (1961) | 37.9°F (1990) | 2.12 in (1991) |
| September 27 | 96.1°F (1954) | 41.0°F (2001) | 4.70 in (2024) |
| September 28 | 96.1°F (1954) | 37.9°F (1962) | 2.10 in (2004) |
| September 29 | 96.1°F (1925) | 37.9°F (1962) | 2.61 in (1980) |
| September 30 | 93.9°F (1954) | 37.0°F (1967) | 5.21 in (1936) |