September weather in Seabrook Island, SC
The average temperature in Seabrook Island in September is 77.2°F (69.1°F–85.3°F). Average precipitation: 5.19 inches.
September is a fall month in Seabrook Island, and is warmer than the annual average of 66.7°F. Daily temperatures swing about 16.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 11m. For travel, September is a wet month.
Avg High
85.3°F
Avg Low
69.1°F
Precipitation
5.19 in
Daylight
12h 11m
September records in Seabrook Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2014) | 70.0°F (2011) | 2.03 in (2016) |
| September 2 | 95.0°F (2012) | 69.1°F (2009) | 2.69 in (2007) |
| September 3 | 95.0°F (2020) | 66.0°F (2016) | 0.01 in (2014) |
| September 4 | 97.0°F (2020) | 69.1°F (2007) | 1.63 in (2019) |
| September 5 | 93.0°F (2020) | 66.9°F (2009) | 2.75 in (2019) |
| September 6 | 93.0°F (2012) | 64.9°F (2016) | 3.50 in (2004) |
| September 7 | 95.0°F (2012) | 63.0°F (2011) | 0.61 in (2012) |
| September 8 | 93.0°F (2010) | 62.1°F (2011) | 1.58 in (2014) |
| September 9 | 95.0°F (2010) | 63.0°F (2011) | 0.45 in (2020) |
| September 10 | 91.9°F (2011) | 62.1°F (2012) | 0.45 in (2015) |
| September 11 | 91.9°F (2016) | 63.0°F (2012) | 5.99 in (2017) |
| September 12 | 91.9°F (2014) | 64.0°F (2012) | 1.06 in (2020) |
| September 13 | 93.0°F (2013) | 61.0°F (2015) | 0.33 in (2016) |
| September 14 | 90.0°F (2008) | 57.0°F (2015) | 2.97 in (2016) |
| September 15 | 91.9°F (2008) | 59.0°F (2015) | 0.38 in (2018) |
| September 16 | 91.9°F (2013) | 63.0°F (2011) | 1.56 in (2008) |
| September 17 | 93.0°F (2019) | 60.1°F (2011) | 0.82 in (2020) |
| September 18 | 93.0°F (2018) | 63.0°F (2007) | 1.09 in (2014) |
| September 19 | 93.9°F (2018) | 63.0°F (2008) | 0.54 in (2016) |
| September 20 | 97.0°F (2010) | 59.0°F (2004) | 2.83 in (2014) |
| September 21 | 91.9°F (2010) | 57.9°F (2020) | 0.30 in (2011) |
| September 22 | 90.0°F (2010) | 55.9°F (2020) | 0.57 in (2017) |
| September 23 | 90.0°F (2010) | 55.9°F (2020) | 0.68 in (2011) |
| September 24 | 91.9°F (2019) | 59.0°F (2014) | 3.42 in (2015) |
| September 25 | 93.0°F (2010) | 59.0°F (2012) | 1.02 in (2020) |
| September 26 | 91.0°F (2018) | 63.0°F (2008) | 0.48 in (2008) |
| September 27 | 91.9°F (2017) | 62.1°F (2013) | 3.69 in (2009) |
| September 28 | 93.9°F (2017) | 59.0°F (2013) | 0.46 in (2020) |
| September 29 | 91.9°F (2017) | 59.0°F (2009) | 2.05 in (2010) |
| September 30 | 91.0°F (2019) | 55.0°F (2009) | 0.06 in (2012) |