September weather in Petersburg, VA
The average temperature in Petersburg in September is 71.1°F (60.8°F–81.5°F). Average precipitation: 4.63 inches.
September is a fall month in Petersburg, and is warmer than the annual average of 58.8°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
81.5°F
Avg Low
60.8°F
Precipitation
4.63 in
Daylight
12h 13m
September records in Petersburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (2010) | 54.0°F (2025) | 3.30 in (2006) |
| September 2 | 98.1°F (2010) | 55.0°F (2021) | 0.65 in (2016) |
| September 3 | 95.0°F (2014) | 55.0°F (2021) | 3.04 in (2003) |
| September 4 | 96.1°F (2023) | 57.0°F (2009) | 2.78 in (1979) |
| September 5 | 96.1°F (2023) | 55.0°F (2010) | 0.70 in (2006) |
| September 6 | 98.1°F (2023) | 54.0°F (2010) | 3.49 in (1979) |
| September 7 | 99.0°F (2023) | 52.0°F (2017) | 1.94 in (2008) |
| September 8 | 93.9°F (2023) | 52.0°F (2017) | 3.42 in (2011) |
| September 9 | 96.1°F (2016) | 50.0°F (2017) | 1.19 in (2012) |
| September 10 | 89.1°F (2016) | 51.1°F (2017) | 0.67 in (2015) |
| September 11 | 93.9°F (2019) | 52.0°F (2012) | 0.59 in (2022) |
| September 12 | 98.1°F (2019) | 52.0°F (2012) | 2.50 in (2003) |
| September 13 | 90.0°F (2013) | 50.0°F (2015) | 0.91 in (2006) |
| September 14 | 93.9°F (2016) | 50.0°F (2015) | 1.88 in (2018) |
| September 15 | 91.0°F (2008) | 48.9°F (2013) | 1.36 in (2004) |
| September 16 | 91.9°F (2019) | 48.0°F (2013) | 1.12 in (2025) |
| September 17 | 93.9°F (2010) | 48.9°F (2007) | 3.63 in (2020) |
| September 18 | 90.0°F (2005) | 46.9°F (2013) | 5.57 in (2003) |
| September 19 | 90.0°F (2005) | 46.9°F (2013) | 1.70 in (2012) |
| September 20 | 91.9°F (2005) | 46.9°F (2006) | 0.61 in (2016) |
| September 21 | 90.0°F (2022) | 45.0°F (2020) | 1.10 in (1983) |
| September 22 | 91.9°F (2022) | 45.0°F (2020) | 3.78 in (1979) |
| September 23 | 96.1°F (2005) | 48.0°F (2022) | 2.60 in (2023) |
| September 24 | 97.0°F (2010) | 39.9°F (2006) | 0.73 in (2024) |
| September 25 | 96.1°F (2010) | 46.9°F (2012) | 1.24 in (2009) |
| September 26 | 95.0°F (2010) | 48.0°F (2013) | 2.00 in (1982) |
| September 27 | 91.0°F (2007) | 48.0°F (2022) | 2.40 in (2025) |
| September 28 | 93.9°F (2019) | 46.9°F (2022) | 2.73 in (2011) |
| September 29 | 91.9°F (2019) | 46.0°F (2003) | 1.04 in (2015) |
| September 30 | 84.9°F (2015) | 46.0°F (2003) | 4.95 in (2010) |