September weather in Brookhaven, GA
The average temperature in Brookhaven in September is 72.9°F (62.8°F–82.9°F). Average precipitation: 4.12 inches.
September is a fall month in Brookhaven, and is warmer than the annual average of 61.5°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
82.9°F
Avg Low
62.8°F
Precipitation
4.12 in
Daylight
12h 12m
September records in Brookhaven
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2011) | 62.1°F (1999) | 1.82 in (2000) |
| September 2 | 96.1°F (2011) | 45.0°F (2010) | 0.50 in (2022) |
| September 3 | 95.0°F (2011) | 57.9°F (2017) | 1.82 in (2014) |
| September 4 | 96.1°F (2019) | 57.0°F (2017) | 0.62 in (2022) |
| September 5 | 97.0°F (1998) | 54.0°F (2010) | 0.75 in (2011) |
| September 6 | 95.0°F (1999) | 57.0°F (2010) | 0.32 in (2021) |
| September 7 | 95.0°F (1999) | 50.0°F (2017) | 2.04 in (2004) |
| September 8 | 95.0°F (1999) | 51.1°F (2017) | 1.59 in (2014) |
| September 9 | 98.1°F (2019) | 54.0°F (1998) | 1.53 in (1999) |
| September 10 | 96.1°F (2002) | 54.0°F (2011) | 0.68 in (2019) |
| September 11 | 96.1°F (2010) | 55.9°F (1999) | 3.10 in (2017) |
| September 12 | 96.1°F (2019) | 57.9°F (2017) | 0.68 in (2014) |
| September 13 | 96.1°F (2019) | 52.0°F (2015) | 1.61 in (2007) |
| September 14 | 95.0°F (2018) | 48.0°F (2015) | 0.55 in (2007) |
| September 15 | 93.9°F (2005) | 53.1°F (2015) | 0.85 in (2009) |
| September 16 | 93.9°F (2019) | 52.0°F (2001) | 5.35 in (2004) |
| September 17 | 96.1°F (2019) | 51.1°F (2001) | 3.42 in (2020) |
| September 18 | 91.9°F (2010) | 54.0°F (2003) | 1.28 in (2016) |
| September 19 | 93.9°F (2018) | 51.1°F (2004) | 1.31 in (2009) |
| September 20 | 95.0°F (2010) | 54.0°F (2004) | 1.78 in (2009) |
| September 21 | 95.0°F (2010) | 51.1°F (2006) | 5.87 in (2009) |
| September 22 | 93.9°F (2024) | 50.0°F (2020) | 1.81 in (2003) |
| September 23 | 93.9°F (2024) | 46.0°F (1999) | 1.22 in (2011) |
| September 24 | 97.0°F (1998) | 44.1°F (2012) | 1.43 in (2001) |
| September 25 | 93.0°F (2010) | 50.0°F (2001) | 2.78 in (2024) |
| September 26 | 93.0°F (2019) | 44.1°F (2001) | 5.43 in (2024) |
| September 27 | 93.9°F (2019) | 43.0°F (2001) | 3.63 in (2004) |
| September 28 | 91.0°F (2017) | 42.1°F (2022) | 0.41 in (1999) |
| September 29 | 91.9°F (2019) | 44.1°F (2003) | 0.90 in (2015) |
| September 30 | 93.9°F (2019) | 44.1°F (2003) | 1.15 in (2010) |