September weather in Walterboro, SC
The average temperature in Walterboro in September is 74.6°F (65.0°F–84.2°F). Average precipitation: 4.60 inches.
September is a fall month in Walterboro, and is warmer than the annual average of 64.1°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 11m. For travel, September is a comfortable month to visit.
Avg High
84.2°F
Avg Low
65.0°F
Precipitation
4.60 in
Daylight
12h 11m
September records in Walterboro
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (1912) | 57.9°F (1999) | 5.70 in (1983) |
| September 2 | 105.1°F (1912) | 57.0°F (1967) | 1.90 in (2022) |
| September 3 | 105.1°F (1912) | 53.1°F (1954) | 3.20 in (2016) |
| September 4 | 100.9°F (1944) | 55.9°F (2021) | 4.80 in (1979) |
| September 5 | 100.0°F (1944) | 55.9°F (2021) | 2.87 in (1945) |
| September 6 | 100.9°F (1944) | 55.0°F (1984) | 3.20 in (2004) |
| September 7 | 100.0°F (1910) | 52.0°F (1984) | 1.50 in (1918) |
| September 8 | 97.0°F (1941) | 52.0°F (1953) | 2.00 in (1993) |
| September 9 | 100.0°F (1939) | 51.1°F (1966) | 3.40 in (1988) |
| September 10 | 100.0°F (1939) | 48.0°F (1966) | 2.05 in (1959) |
| September 11 | 99.0°F (1911) | 44.1°F (1956) | 3.62 in (1960) |
| September 12 | 98.1°F (1911) | 45.0°F (1976) | 4.75 in (2017) |
| September 13 | 99.0°F (1911) | 52.0°F (1917) | 1.86 in (1980) |
| September 14 | 97.0°F (1938) | 46.9°F (1953) | 2.50 in (1976) |
| September 15 | 97.0°F (1938) | 46.9°F (1953) | 2.51 in (1999) |
| September 16 | 99.0°F (1911) | 48.9°F (1967) | 6.80 in (1945) |
| September 17 | 98.1°F (1944) | 50.0°F (1961) | 4.40 in (1909) |
| September 18 | 97.0°F (1942) | 51.1°F (1910) | 2.00 in (2020) |
| September 19 | 99.0°F (1942) | 46.0°F (1981) | 3.35 in (1966) |
| September 20 | 99.0°F (1942) | 45.0°F (1984) | 1.13 in (1918) |
| September 21 | 97.0°F (1911) | 45.0°F (1984) | 1.80 in (1989) |
| September 22 | 99.0°F (1940) | 44.1°F (1999) | 2.10 in (1952) |
| September 23 | 99.0°F (1944) | 45.0°F (1983) | 3.35 in (1912) |
| September 24 | 93.9°F (1961) | 42.1°F (1967) | 4.80 in (1947) |
| September 25 | 96.1°F (1961) | 42.1°F (1990) | 6.47 in (2015) |
| September 26 | 97.0°F (1961) | 46.0°F (1940) | 3.37 in (2020) |
| September 27 | 96.1°F (1911) | 46.0°F (1940) | 2.06 in (2024) |
| September 28 | 97.0°F (1911) | 45.0°F (1962) | 1.10 in (1907) |
| September 29 | 97.0°F (1911) | 42.1°F (1909) | 3.75 in (1938) |
| September 30 | 96.1°F (1904) | 37.0°F (1967) | 1.18 in (2016) |