September weather in Austell, GA
The average temperature in Austell in September is 70.6°F (61.8°F–79.5°F). Average precipitation: 3.70 inches.
September is a fall month in Austell, and is warmer than the annual average of 60.1°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 12m. For travel, September is one of the best months of the year to visit.
Avg High
79.5°F
Avg Low
61.8°F
Precipitation
3.70 in
Daylight
12h 12m
September records in Austell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 87.1°F (2003) | 64.0°F (2005) | 4.09 in (2000) |
| September 2 | 87.1°F (2010) | 63.0°F (2005) | 0.30 in (1996) |
| September 3 | 91.9°F (2011) | 62.1°F (2009) | 0.36 in (2001) |
| September 4 | 88.0°F (2010) | 61.0°F (2008) | 0.93 in (2001) |
| September 5 | 89.1°F (2007) | 53.1°F (2010) | 0.16 in (1996) |
| September 6 | 91.0°F (2002) | 53.1°F (2010) | 0.05 in (1994) |
| September 7 | 88.0°F (2002) | 57.0°F (2011) | 1.93 in (2004) |
| September 8 | 87.1°F (2010) | 57.9°F (2011) | 0.91 in (2004) |
| September 9 | 87.1°F (2007) | 55.0°F (2011) | 0.76 in (1994) |
| September 10 | 88.0°F (2002) | 54.0°F (2011) | 0.43 in (1996) |
| September 11 | 91.0°F (2002) | 54.0°F (2011) | 0.14 in (2001) |
| September 12 | 91.0°F (2002) | 55.9°F (2011) | 0.89 in (2010) |
| September 13 | 86.0°F (2002) | 57.9°F (2010) | 0.91 in (2006) |
| September 14 | 84.0°F (2008) | 57.0°F (2010) | 0.91 in (2006) |
| September 15 | 86.0°F (2010) | 55.0°F (2006) | 0.58 in (1995) |
| September 16 | 86.0°F (2010) | 52.0°F (2000) | 0.41 in (2009) |
| September 17 | 84.9°F (2010) | 50.0°F (1999) | 4.20 in (2004) |
| September 18 | 88.0°F (2010) | 48.9°F (1999) | 2.13 in (2002) |
| September 19 | 87.1°F (2010) | 52.0°F (2004) | 0.59 in (2012) |
| September 20 | 87.1°F (2010) | 52.0°F (2004) | 0.68 in (2009) |
| September 21 | 89.1°F (2010) | 48.9°F (2006) | 6.12 in (2009) |
| September 22 | 90.0°F (2010) | 50.0°F (2006) | 4.35 in (2000) |
| September 23 | 87.1°F (2010) | 44.1°F (1999) | 0.82 in (2011) |
| September 24 | 82.9°F (2001) | 44.1°F (1999) | 0.90 in (1994) |
| September 25 | 87.1°F (2007) | 46.9°F (1999) | 2.95 in (1997) |
| September 26 | 84.9°F (2007) | 43.0°F (2001) | 1.30 in (1997) |
| September 27 | 82.0°F (2007) | 42.1°F (2001) | 2.75 in (2009) |
| September 28 | 82.0°F (2005) | 44.1°F (2001) | 2.68 in (2004) |
| September 29 | 81.0°F (2005) | 46.0°F (2003) | 0.92 in (1997) |
| September 30 | 81.0°F (2008) | 45.0°F (2003) | 1.02 in (1998) |