September weather in Porterdale, GA
The average temperature in Porterdale in September is 73.8°F (64.0°F–83.7°F). Average precipitation: 3.78 inches.
September is a fall month in Porterdale, and is warmer than the annual average of 62.1°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
83.7°F
Avg Low
64.0°F
Precipitation
3.78 in
Daylight
12h 12m
September records in Porterdale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1957) | 55.0°F (1946) | 2.36 in (1898) |
| September 2 | 100.0°F (1957) | 54.0°F (1946) | 1.66 in (2004) |
| September 3 | 99.0°F (1932) | 52.0°F (1934) | 1.91 in (1965) |
| September 4 | 100.0°F (1899) | 53.1°F (1952) | 2.09 in (1988) |
| September 5 | 102.0°F (1954) | 53.1°F (1934) | 2.61 in (1988) |
| September 6 | 100.9°F (1899) | 51.1°F (1997) | 1.42 in (1961) |
| September 7 | 102.0°F (1899) | 48.9°F (1952) | 4.19 in (2004) |
| September 8 | 102.9°F (1941) | 48.9°F (1951) | 1.58 in (2004) |
| September 9 | 102.0°F (1899) | 46.9°F (1951) | 1.68 in (1967) |
| September 10 | 98.1°F (1939) | 48.0°F (1902) | 1.90 in (1935) |
| September 11 | 95.0°F (1942) | 45.0°F (1976) | 1.56 in (1944) |
| September 12 | 97.0°F (1933) | 45.0°F (1940) | 1.60 in (1988) |
| September 13 | 96.1°F (1933) | 50.0°F (1940) | 1.68 in (1900) |
| September 14 | 97.0°F (1956) | 44.1°F (1953) | 3.46 in (1903) |
| September 15 | 98.1°F (1956) | 46.0°F (1937) | 2.00 in (1924) |
| September 16 | 98.1°F (1933) | 46.0°F (2001) | 2.60 in (2004) |
| September 17 | 100.0°F (1933) | 46.9°F (2001) | 2.20 in (1901) |
| September 18 | 102.9°F (1931) | 46.0°F (2001) | 2.72 in (2002) |
| September 19 | 100.0°F (1954) | 45.0°F (1981) | 0.91 in (1957) |
| September 20 | 98.1°F (1954) | 45.0°F (1981) | 2.80 in (1953) |
| September 21 | 96.1°F (2010) | 45.0°F (1951) | 1.08 in (1983) |
| September 22 | 98.1°F (1940) | 42.1°F (1983) | 2.87 in (2003) |
| September 23 | 100.0°F (1931) | 41.0°F (1982) | 2.80 in (1912) |
| September 24 | 100.9°F (1931) | 43.0°F (1967) | 0.90 in (1902) |
| September 25 | 97.0°F (1933) | 39.9°F (1928) | 3.30 in (1997) |
| September 26 | 95.0°F (1931) | 39.9°F (1899) | 2.47 in (1956) |
| September 27 | 96.1°F (1954) | 39.9°F (1940) | 3.44 in (2010) |
| September 28 | 98.1°F (1941) | 34.0°F (2001) | 1.52 in (1992) |
| September 29 | 98.1°F (1941) | 39.0°F (1899) | 2.25 in (1980) |
| September 30 | 95.0°F (1904) | 34.0°F (1967) | 3.25 in (1965) |