September weather in Clayton, GA
The average temperature in Clayton in September is 69.0°F (58.6°F–79.3°F). Average precipitation: 5.74 inches.
September is a fall month in Clayton, and is warmer than the annual average of 57.8°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 12m. For travel, September is a wet month.
Avg High
79.3°F
Avg Low
58.6°F
Precipitation
5.74 in
Daylight
12h 12m
September records in Clayton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (1957) | 48.0°F (1976) | 3.00 in (2003) |
| September 2 | 93.9°F (1957) | 48.0°F (1909) | 4.70 in (1898) |
| September 3 | 93.9°F (2011) | 45.0°F (1929) | 2.50 in (1920) |
| September 4 | 97.0°F (1954) | 46.0°F (1934) | 1.92 in (1969) |
| September 5 | 95.0°F (1954) | 45.0°F (1967) | 6.68 in (1896) |
| September 6 | 96.1°F (1954) | 46.0°F (1982) | 4.90 in (1949) |
| September 7 | 96.1°F (1925) | 39.9°F (1924) | 2.83 in (1977) |
| September 8 | 96.1°F (1925) | 42.1°F (1968) | 8.00 in (2004) |
| September 9 | 98.1°F (1925) | 42.1°F (1924) | 2.30 in (1967) |
| September 10 | 98.1°F (1925) | 39.9°F (1924) | 3.00 in (1942) |
| September 11 | 93.9°F (1925) | 41.0°F (1924) | 1.50 in (1923) |
| September 12 | 93.0°F (1925) | 43.0°F (1976) | 2.18 in (2017) |
| September 13 | 93.9°F (1925) | 43.0°F (1968) | 2.22 in (1966) |
| September 14 | 91.0°F (1925) | 36.0°F (1985) | 2.95 in (1945) |
| September 15 | 91.0°F (1897) | 34.0°F (1985) | 3.00 in (1900) |
| September 16 | 93.0°F (1897) | 34.0°F (2001) | 4.30 in (2002) |
| September 17 | 93.9°F (1925) | 37.0°F (1985) | 12.75 in (2004) |
| September 18 | 96.1°F (1925) | 39.9°F (1943) | 3.61 in (1906) |
| September 19 | 95.0°F (1925) | 35.1°F (1981) | 1.93 in (1968) |
| September 20 | 98.1°F (1925) | 39.9°F (1933) | 7.10 in (1924) |
| September 21 | 97.0°F (1925) | 36.0°F (1918) | 3.65 in (2009) |
| September 22 | 95.0°F (1925) | 36.0°F (1913) | 3.52 in (2009) |
| September 23 | 91.0°F (1931) | 32.0°F (1982) | 4.50 in (1911) |
| September 24 | 90.0°F (1931) | 27.0°F (1896) | 2.31 in (2001) |
| September 25 | 91.9°F (1931) | 35.1°F (1928) | 4.09 in (1997) |
| September 26 | 89.1°F (1933) | 34.0°F (1928) | 5.20 in (1929) |
| September 27 | 88.0°F (2019) | 32.0°F (1940) | 7.43 in (2024) |
| September 28 | 89.1°F (1998) | 30.9°F (1947) | 2.60 in (2004) |
| September 29 | 88.0°F (1904) | 34.0°F (1962) | 3.44 in (1964) |
| September 30 | 89.1°F (2019) | 28.9°F (1967) | 5.05 in (1936) |