September weather in Petal, MS
The average temperature in Petal in September is 77.4°F (66.9°F–88.0°F). Average precipitation: 4.15 inches.
September is a fall month in Petal, and is warmer than the annual average of 66.5°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 11m. For travel, September is hot.
Avg High
88.0°F
Avg Low
66.9°F
Precipitation
4.15 in
Daylight
12h 11m
September records in Petal
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2000) | 62.1°F (2009) | 2.01 in (2008) |
| September 2 | 97.0°F (2000) | 63.0°F (2009) | 3.68 in (2008) |
| September 3 | 98.1°F (2024) | 64.0°F (2017) | 2.95 in (2011) |
| September 4 | 100.0°F (2000) | 64.0°F (2010) | 2.82 in (2011) |
| September 5 | 98.1°F (2015) | 57.9°F (2010) | 2.03 in (2011) |
| September 6 | 99.0°F (2023) | 57.0°F (2011) | 0.74 in (2001) |
| September 7 | 102.0°F (2023) | 53.1°F (2011) | 0.62 in (2022) |
| September 8 | 97.0°F (2019) | 54.0°F (2011) | 1.71 in (2001) |
| September 9 | 96.1°F (2015) | 53.1°F (2011) | 0.94 in (2003) |
| September 10 | 95.0°F (2016) | 54.0°F (2011) | 0.54 in (2013) |
| September 11 | 98.1°F (2002) | 57.9°F (2011) | 1.67 in (2024) |
| September 12 | 97.0°F (2023) | 60.1°F (2017) | 0.84 in (2000) |
| September 13 | 97.0°F (2019) | 52.0°F (2015) | 0.54 in (2021) |
| September 14 | 95.0°F (2018) | 48.9°F (2015) | 0.88 in (2018) |
| September 15 | 97.0°F (2018) | 57.9°F (2015) | 3.02 in (2021) |
| September 16 | 97.0°F (2019) | 55.0°F (2007) | 3.87 in (2014) |
| September 17 | 97.0°F (2019) | 53.1°F (2003) | 2.20 in (2016) |
| September 18 | 99.0°F (2019) | 52.0°F (2000) | 1.43 in (2011) |
| September 19 | 98.1°F (2005) | 53.1°F (2000) | 1.19 in (2017) |
| September 20 | 98.1°F (2015) | 55.9°F (2012) | 0.66 in (2008) |
| September 21 | 97.0°F (2025) | 53.1°F (2006) | 1.57 in (2013) |
| September 22 | 96.1°F (2006) | 59.0°F (2021) | 1.82 in (2003) |
| September 23 | 97.0°F (2025) | 54.0°F (2021) | 1.24 in (2006) |
| September 24 | 96.1°F (2010) | 52.0°F (2021) | 1.06 in (2013) |
| September 25 | 96.1°F (2016) | 52.0°F (2001) | 3.53 in (2002) |
| September 26 | 95.0°F (2019) | 48.0°F (2001) | 3.97 in (2002) |
| September 27 | 93.0°F (2005) | 46.9°F (2000) | 0.97 in (2015) |
| September 28 | 93.9°F (2019) | 48.0°F (2000) | 0.50 in (2011) |
| September 29 | 95.0°F (2019) | 48.0°F (2003) | 2.77 in (2012) |
| September 30 | 95.0°F (2019) | 46.9°F (2003) | 0.98 in (2012) |