September weather in Millen, GA
The average temperature in Millen in September is 75.0°F (64.8°F–85.2°F). Average precipitation: 3.50 inches.
September is a fall month in Millen, and is warmer than the annual average of 64.4°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 11m. For travel, September is a comfortable month to visit.
Avg High
85.2°F
Avg Low
64.8°F
Precipitation
3.50 in
Daylight
12h 11m
September records in Millen
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (2014) | 63.0°F (2025) | 0.76 in (2019) |
| September 2 | 95.0°F (2014) | 63.0°F (2023) | 1.08 in (2004) |
| September 3 | 93.9°F (2010) | 60.1°F (2009) | 0.30 in (2013) |
| September 4 | 93.9°F (2020) | 55.0°F (2021) | 0.90 in (2003) |
| September 5 | 95.0°F (2020) | 55.0°F (2021) | 1.94 in (2003) |
| September 6 | 93.0°F (2025) | 57.9°F (2011) | 1.65 in (2004) |
| September 7 | 93.9°F (2008) | 57.9°F (2011) | 3.90 in (2004) |
| September 8 | 96.1°F (2019) | 57.9°F (2011) | 1.17 in (2014) |
| September 9 | 95.0°F (2019) | 57.9°F (2011) | 1.14 in (2009) |
| September 10 | 95.0°F (2011) | 55.9°F (2025) | 0.72 in (2004) |
| September 11 | 96.1°F (2002) | 55.9°F (2025) | 0.95 in (2017) |
| September 12 | 93.0°F (2011) | 57.9°F (2025) | 3.65 in (2017) |
| September 13 | 93.9°F (2011) | 59.0°F (2021) | 1.02 in (2002) |
| September 14 | 95.0°F (2011) | 57.0°F (2025) | 1.42 in (2002) |
| September 15 | 95.0°F (2011) | 55.0°F (2001) | 0.56 in (2023) |
| September 16 | 95.0°F (2005) | 52.0°F (2001) | 1.39 in (2021) |
| September 17 | 96.1°F (2005) | 55.9°F (2001) | 1.32 in (2021) |
| September 18 | 97.0°F (2019) | 57.0°F (2003) | 0.92 in (2006) |
| September 19 | 91.9°F (2010) | 55.9°F (2001) | 0.10 in (2021) |
| September 20 | 97.0°F (2010) | 55.0°F (2006) | 1.46 in (2000) |
| September 21 | 95.0°F (2010) | 57.0°F (2014) | 0.37 in (2021) |
| September 22 | 95.0°F (2022) | 53.1°F (2020) | 1.33 in (2013) |
| September 23 | 95.0°F (2022) | 52.0°F (2020) | 1.97 in (2014) |
| September 24 | 93.9°F (2024) | 48.9°F (2022) | 0.61 in (2002) |
| September 25 | 95.0°F (2025) | 48.9°F (2022) | 1.79 in (2004) |
| September 26 | 98.1°F (2019) | 48.9°F (2001) | 2.83 in (2009) |
| September 27 | 98.1°F (2019) | 46.9°F (2000) | 0.83 in (2011) |
| September 28 | 97.0°F (2019) | 48.0°F (2003) | 1.17 in (2020) |
| September 29 | 93.9°F (2017) | 48.0°F (2006) | 1.26 in (2020) |
| September 30 | 93.0°F (2019) | 42.1°F (2001) | 1.05 in (2018) |