September weather in Lyman, SC
The average temperature in Lyman in September is 72.5°F (62.4°F–82.7°F). Average precipitation: 3.73 inches.
September is a fall month in Lyman, and is warmer than the annual average of 61.3°F. Daily temperatures swing about 20.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
82.7°F
Avg Low
62.4°F
Precipitation
3.73 in
Daylight
12h 12m
September records in Lyman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1993) | 53.1°F (1976) | 1.03 in (2000) |
| September 2 | 98.1°F (2011) | 53.1°F (1967) | 1.09 in (1976) |
| September 3 | 95.0°F (2015) | 52.0°F (1967) | 2.06 in (2001) |
| September 4 | 97.0°F (2015) | 55.0°F (1994) | 2.00 in (2001) |
| September 5 | 95.0°F (2007) | 48.9°F (1997) | 1.24 in (2022) |
| September 6 | 95.0°F (2023) | 54.0°F (1984) | 1.36 in (1974) |
| September 7 | 95.0°F (1990) | 51.1°F (2017) | 4.00 in (2004) |
| September 8 | 93.9°F (1999) | 51.1°F (1988) | 1.09 in (2004) |
| September 9 | 96.1°F (2019) | 52.0°F (1965) | 1.75 in (2015) |
| September 10 | 96.1°F (2007) | 50.0°F (1998) | 1.79 in (2022) |
| September 11 | 95.0°F (2007) | 48.0°F (1976) | 1.84 in (2017) |
| September 12 | 96.1°F (2019) | 48.9°F (1993) | 1.47 in (2014) |
| September 13 | 95.0°F (2019) | 50.0°F (1967) | 4.21 in (1966) |
| September 14 | 95.0°F (1991) | 42.1°F (1985) | 4.38 in (1973) |
| September 15 | 95.0°F (1991) | 45.0°F (1985) | 3.15 in (2002) |
| September 16 | 95.0°F (1991) | 48.9°F (1985) | 2.42 in (1977) |
| September 17 | 95.0°F (2019) | 46.9°F (1984) | 3.00 in (2020) |
| September 18 | 91.9°F (1978) | 48.0°F (1985) | 1.89 in (1975) |
| September 19 | 93.0°F (1970) | 41.0°F (1981) | 2.11 in (1966) |
| September 20 | 93.9°F (2010) | 44.1°F (1981) | 0.53 in (2009) |
| September 21 | 91.9°F (2010) | 46.9°F (1991) | 2.88 in (2011) |
| September 22 | 93.0°F (2022) | 39.9°F (1983) | 1.36 in (2003) |
| September 23 | 93.0°F (2007) | 39.9°F (1983) | 2.59 in (2011) |
| September 24 | 95.0°F (2016) | 42.1°F (1990) | 1.50 in (1997) |
| September 25 | 93.9°F (2010) | 42.1°F (1990) | 2.26 in (2009) |
| September 26 | 96.1°F (2019) | 42.1°F (2001) | 3.35 in (2024) |
| September 27 | 93.0°F (1986) | 46.9°F (1983) | 4.46 in (2024) |
| September 28 | 91.9°F (2017) | 39.0°F (1993) | 3.89 in (1963) |
| September 29 | 95.0°F (2019) | 42.1°F (1967) | 3.25 in (1979) |
| September 30 | 93.0°F (2019) | 36.0°F (1967) | 1.37 in (1980) |