September weather in Westminster, SC
The average temperature in Westminster in September is 71.0°F (60.1°F–81.8°F). Average precipitation: 4.89 inches.
September is a fall month in Westminster, and is warmer than the annual average of 59.2°F. Daily temperatures swing about 21.7°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
81.8°F
Avg Low
60.1°F
Precipitation
4.89 in
Daylight
12h 12m
September records in Westminster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1947) | 50.0°F (1946) | 2.45 in (1917) |
| September 2 | 102.0°F (1947) | 51.1°F (1954) | 2.45 in (1971) |
| September 3 | 100.9°F (1925) | 50.0°F (1952) | 4.00 in (2024) |
| September 4 | 106.0°F (1925) | 51.1°F (1978) | 3.98 in (2022) |
| September 5 | 102.0°F (1925) | 45.0°F (1997) | 3.65 in (1896) |
| September 6 | 100.0°F (1954) | 45.0°F (1924) | 4.76 in (1949) |
| September 7 | 108.0°F (1925) | 46.9°F (1924) | 3.00 in (1950) |
| September 8 | 106.0°F (1925) | 46.0°F (1932) | 8.13 in (2004) |
| September 9 | 102.0°F (1925) | 45.0°F (1902) | 2.55 in (1903) |
| September 10 | 102.0°F (1939) | 39.9°F (2017) | 1.44 in (2015) |
| September 11 | 97.0°F (1925) | 41.0°F (1976) | 1.76 in (1997) |
| September 12 | 95.0°F (1931) | 41.0°F (1998) | 2.13 in (2017) |
| September 13 | 99.0°F (1934) | 43.0°F (1902) | 4.82 in (1990) |
| September 14 | 97.0°F (1930) | 42.1°F (1953) | 3.62 in (1973) |
| September 15 | 98.1°F (1925) | 45.0°F (1902) | 4.08 in (1900) |
| September 16 | 96.1°F (1921) | 41.0°F (1961) | 3.40 in (1929) |
| September 17 | 100.0°F (1931) | 42.1°F (1999) | 4.80 in (2004) |
| September 18 | 100.0°F (1931) | 44.1°F (1903) | 2.81 in (2020) |
| September 19 | 104.0°F (1925) | 39.9°F (1981) | 1.65 in (1906) |
| September 20 | 100.9°F (1925) | 42.1°F (1981) | 9.65 in (1924) |
| September 21 | 96.1°F (1931) | 37.0°F (1918) | 8.38 in (2009) |
| September 22 | 99.0°F (1925) | 37.9°F (1983) | 2.09 in (1909) |
| September 23 | 100.0°F (1931) | 36.0°F (1999) | 3.17 in (2003) |
| September 24 | 100.0°F (1931) | 37.0°F (1990) | 1.50 in (1932) |
| September 25 | 93.9°F (1933) | 39.0°F (1990) | 2.60 in (1997) |
| September 26 | 93.0°F (1933) | 37.0°F (1899) | 4.87 in (2024) |
| September 27 | 93.0°F (1954) | 39.0°F (1899) | 5.42 in (2024) |
| September 28 | 93.9°F (1933) | 36.0°F (1947) | 4.10 in (2004) |
| September 29 | 99.0°F (1941) | 36.0°F (1899) | 3.51 in (1963) |
| September 30 | 93.0°F (1904) | 32.0°F (1967) | 7.64 in (1936) |