September weather in St. Matthews, SC
The average temperature in St. Matthews in September is 76.2°F (65.6°F–86.9°F). Average precipitation: 4.49 inches.
September is a fall month in St. Matthews, and is warmer than the annual average of 65.6°F. Daily temperatures swing about 21.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
86.9°F
Avg Low
65.6°F
Precipitation
4.49 in
Daylight
12h 12m
September records in St. Matthews
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1957) | 54.0°F (1999) | 0.35 in (1948) |
| September 2 | 99.0°F (1957) | 54.0°F (1967) | 6.97 in (2016) |
| September 3 | 99.0°F (1957) | 55.0°F (2025) | 1.34 in (1994) |
| September 4 | 100.9°F (1957) | 55.9°F (1997) | 5.18 in (1998) |
| September 5 | 99.0°F (1954) | 50.0°F (1997) | 6.61 in (1979) |
| September 6 | 100.0°F (1954) | 51.1°F (1997) | 1.63 in (2004) |
| September 7 | 102.0°F (1954) | 53.1°F (1982) | 8.82 in (1948) |
| September 8 | 100.0°F (1980) | 55.0°F (1982) | 3.01 in (1950) |
| September 9 | 99.0°F (1954) | 53.1°F (1956) | 4.03 in (1988) |
| September 10 | 98.1°F (1954) | 46.9°F (1956) | 2.08 in (1967) |
| September 11 | 100.9°F (2002) | 46.0°F (1956) | 3.98 in (2017) |
| September 12 | 99.0°F (1954) | 50.0°F (1976) | 4.22 in (2016) |
| September 13 | 96.1°F (1997) | 50.0°F (1976) | 3.01 in (1964) |
| September 14 | 95.0°F (2008) | 45.0°F (1985) | 2.60 in (1924) |
| September 15 | 98.1°F (1956) | 45.0°F (1985) | 2.86 in (1963) |
| September 16 | 100.0°F (2005) | 45.0°F (1985) | 1.91 in (1999) |
| September 17 | 99.0°F (1980) | 48.0°F (2001) | 4.16 in (2020) |
| September 18 | 99.0°F (1980) | 51.1°F (2001) | 2.54 in (1994) |
| September 19 | 97.0°F (1997) | 45.0°F (1981) | 1.28 in (1971) |
| September 20 | 98.1°F (1954) | 45.0°F (1984) | 3.14 in (1975) |
| September 21 | 97.0°F (2017) | 46.0°F (1981) | 1.00 in (2015) |
| September 22 | 95.0°F (1954) | 50.0°F (1981) | 4.76 in (2000) |
| September 23 | 96.1°F (2007) | 44.1°F (1999) | 1.36 in (1951) |
| September 24 | 98.1°F (1980) | 44.1°F (1982) | 4.31 in (1997) |
| September 25 | 96.1°F (1980) | 43.0°F (1990) | 1.56 in (2002) |
| September 26 | 97.0°F (2019) | 44.1°F (1981) | 2.87 in (2024) |
| September 27 | 97.0°F (1986) | 45.0°F (1981) | 3.60 in (1953) |
| September 28 | 99.0°F (2017) | 45.0°F (1985) | 1.80 in (1966) |
| September 29 | 93.9°F (2005) | 45.0°F (1985) | 2.94 in (1963) |
| September 30 | 97.0°F (2019) | 39.9°F (1967) | 4.93 in (1959) |