September weather in Beaufort, SC
The average temperature in Beaufort in September is 77.6°F (69.5°F–85.7°F). Average precipitation: 4.03 inches.
September is a fall month in Beaufort, and is warmer than the annual average of 67.2°F. Daily temperatures swing about 16.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 11m. For travel, September is a comfortable month to visit.
Avg High
85.7°F
Avg Low
69.5°F
Precipitation
4.03 in
Daylight
12h 11m
September records in Beaufort
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1970) | 63.0°F (1976) | 2.80 in (1969) |
| September 2 | 96.1°F (2020) | 63.0°F (1967) | 2.90 in (1987) |
| September 3 | 95.0°F (1966) | 61.0°F (1967) | 2.16 in (1998) |
| September 4 | 97.0°F (2020) | 63.0°F (1967) | 4.76 in (1979) |
| September 5 | 97.0°F (2020) | 57.0°F (1997) | 3.87 in (1987) |
| September 6 | 96.1°F (1980) | 55.9°F (1997) | 2.76 in (1962) |
| September 7 | 97.0°F (1980) | 61.0°F (1997) | 1.54 in (1979) |
| September 8 | 96.1°F (1980) | 59.0°F (1988) | 1.30 in (1994) |
| September 9 | 98.1°F (1945) | 60.1°F (2011) | 2.94 in (2021) |
| September 10 | 96.1°F (1945) | 55.0°F (1998) | 1.93 in (1964) |
| September 11 | 96.1°F (1985) | 54.0°F (1976) | 6.26 in (2017) |
| September 12 | 95.0°F (1991) | 54.0°F (1976) | 1.61 in (1964) |
| September 13 | 96.1°F (1991) | 57.9°F (1967) | 1.23 in (1972) |
| September 14 | 98.1°F (1991) | 55.9°F (1964) | 4.39 in (1976) |
| September 15 | 98.1°F (1980) | 55.9°F (1967) | 1.49 in (2002) |
| September 16 | 98.1°F (1980) | 57.0°F (1967) | 2.52 in (1945) |
| September 17 | 97.0°F (1972) | 57.0°F (2001) | 3.13 in (1945) |
| September 18 | 95.0°F (2018) | 59.0°F (2001) | 2.06 in (1960) |
| September 19 | 96.1°F (2025) | 57.0°F (1996) | 0.61 in (1998) |
| September 20 | 96.1°F (2025) | 52.0°F (1981) | 4.18 in (2021) |
| September 21 | 95.0°F (1980) | 57.9°F (1962) | 4.85 in (1989) |
| September 22 | 96.1°F (1990) | 54.0°F (1983) | 1.09 in (1989) |
| September 23 | 93.9°F (1980) | 48.9°F (1983) | 1.96 in (2011) |
| September 24 | 96.1°F (2025) | 50.0°F (1967) | 2.86 in (1997) |
| September 25 | 95.0°F (1961) | 50.0°F (1990) | 1.65 in (2020) |
| September 26 | 95.0°F (2025) | 54.0°F (1990) | 2.00 in (1988) |
| September 27 | 93.9°F (1970) | 55.9°F (1982) | 1.24 in (2009) |
| September 28 | 96.1°F (2017) | 54.0°F (1985) | 2.25 in (1984) |
| September 29 | 93.0°F (2019) | 52.0°F (1967) | 5.80 in (1959) |
| September 30 | 93.9°F (2019) | 45.0°F (1967) | 1.53 in (1980) |