September weather in Alto, GA
The average temperature in Alto in September is 71.0°F (60.6°F–81.5°F). Average precipitation: inches.
September is a fall month in Alto, and is warmer than the annual average of 59.5°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
81.5°F
Avg Low
60.6°F
Precipitation
in
Daylight
12h 12m
September records in Alto
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (2016) | 60.1°F (2002) | 1.96 in (2006) |
| September 2 | 91.9°F (2011) | 57.0°F (2025) | 2.67 in (2004) |
| September 3 | 96.1°F (2011) | 54.0°F (2017) | 0.85 in (2022) |
| September 4 | 93.0°F (2011) | 54.0°F (2017) | 0.24 in (2012) |
| September 5 | 91.0°F (2007) | 52.0°F (2010) | 2.60 in (2022) |
| September 6 | 91.9°F (2019) | 51.1°F (2010) | 0.76 in (2011) |
| September 7 | 93.0°F (2019) | 48.9°F (2017) | 0.62 in (2025) |
| September 8 | 93.0°F (2019) | 50.0°F (2017) | 2.76 in (2004) |
| September 9 | 91.9°F (2016) | 51.1°F (2017) | 0.53 in (2015) |
| September 10 | 95.0°F (2019) | 51.1°F (2002) | 3.23 in (2023) |
| September 11 | 91.9°F (2007) | 53.1°F (2003) | 0.14 in (2018) |
| September 12 | 93.9°F (2019) | 52.0°F (2003) | 1.93 in (2017) |
| September 13 | 97.0°F (2019) | 51.1°F (2003) | 1.13 in (2002) |
| September 14 | 93.9°F (2019) | 46.9°F (2015) | 2.26 in (2007) |
| September 15 | 91.9°F (2011) | 46.0°F (2015) | 2.85 in (2002) |
| September 16 | 91.0°F (2016) | 46.0°F (2001) | 1.87 in (2002) |
| September 17 | 95.0°F (2019) | 44.1°F (2001) | 3.86 in (2004) |
| September 18 | 95.0°F (2019) | 48.0°F (2000) | 1.73 in (2020) |
| September 19 | 91.0°F (2018) | 48.0°F (2003) | 0.73 in (2000) |
| September 20 | 91.0°F (2010) | 48.9°F (2003) | 1.53 in (2009) |
| September 21 | 93.0°F (2010) | 50.0°F (2006) | 3.54 in (2021) |
| September 22 | 91.9°F (2010) | 46.9°F (2020) | 1.74 in (2011) |
| September 23 | 95.0°F (2024) | 46.9°F (2020) | 1.59 in (2011) |
| September 24 | 90.0°F (2010) | 44.1°F (2012) | 0.55 in (2006) |
| September 25 | 93.0°F (2016) | 44.1°F (2012) | 0.97 in (2020) |
| September 26 | 93.9°F (2016) | 42.1°F (2001) | 2.32 in (2024) |
| September 27 | 93.0°F (2019) | 41.0°F (2001) | 1.46 in (2009) |
| September 28 | 91.9°F (2019) | 42.1°F (2001) | 2.02 in (2004) |
| September 29 | 90.0°F (2017) | 37.9°F (2003) | 2.62 in (2005) |
| September 30 | 93.0°F (2019) | 37.0°F (2003) | 2.18 in (2010) |