September weather in Johnsonville, SC
The average temperature in Johnsonville in September is 74.4°F (65.2°F–83.6°F). Average precipitation: 6.91 inches.
September is a fall month in Johnsonville, and is warmer than the annual average of 63.5°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 12m. For travel, September is a wet month.
Avg High
83.6°F
Avg Low
65.2°F
Precipitation
6.91 in
Daylight
12h 12m
September records in Johnsonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2013) | 66.0°F (2010) | 1.67 in (2004) |
| September 2 | 91.9°F (2012) | 63.0°F (2009) | 0.00 in (2004) |
| September 3 | 93.9°F (2012) | 59.0°F (2008) | 0.00 in (2004) |
| September 4 | 91.9°F (2010) | 59.0°F (2008) | 0.48 in (2013) |
| September 5 | 91.0°F (2013) | 60.1°F (2009) | 0.13 in (2006) |
| September 6 | 90.0°F (2007) | 62.1°F (2010) | 4.42 in (2008) |
| September 7 | 90.0°F (2012) | 66.0°F (2005) | 0.30 in (2011) |
| September 8 | 90.0°F (2008) | 62.1°F (2013) | 1.03 in (2004) |
| September 9 | 91.0°F (2010) | 62.1°F (2007) | 0.44 in (2004) |
| September 10 | 91.9°F (2007) | 57.9°F (2012) | 0.40 in (2008) |
| September 11 | 93.0°F (2007) | 55.9°F (2012) | 0.92 in (2004) |
| September 12 | 93.0°F (2007) | 55.0°F (2012) | 1.15 in (2010) |
| September 13 | 90.0°F (2013) | 57.0°F (2012) | 2.28 in (2014) |
| September 14 | 90.0°F (2013) | 52.0°F (2015) | 1.87 in (2006) |
| September 15 | 89.1°F (2008) | 51.1°F (2015) | 1.85 in (2014) |
| September 16 | 91.0°F (2005) | 51.1°F (2015) | 0.49 in (2014) |
| September 17 | 93.0°F (2005) | 59.0°F (2015) | 1.21 in (2008) |
| September 18 | 93.9°F (2005) | 55.0°F (2013) | 0.42 in (2004) |
| September 19 | 91.0°F (2005) | 55.0°F (2013) | 1.01 in (2012) |
| September 20 | 89.1°F (2005) | 57.0°F (2004) | 0.20 in (2007) |
| September 21 | 91.9°F (2010) | 53.1°F (2006) | 0.40 in (2007) |
| September 22 | 89.1°F (2005) | 53.1°F (2006) | 0.34 in (2013) |
| September 23 | 88.0°F (2007) | 57.0°F (2004) | 0.73 in (2005) |
| September 24 | 91.0°F (2007) | 53.1°F (2012) | 0.89 in (2011) |
| September 25 | 89.1°F (2005) | 51.1°F (2012) | 1.08 in (2015) |
| September 26 | 91.0°F (2010) | 53.1°F (2012) | 2.78 in (2009) |
| September 27 | 87.1°F (2005) | 54.0°F (2006) | 4.26 in (2010) |
| September 28 | 88.0°F (2007) | 52.0°F (2013) | 2.11 in (2010) |
| September 29 | 88.0°F (2007) | 52.0°F (2009) | 0.20 in (2006) |
| September 30 | 88.0°F (2005) | 48.0°F (2009) | 4.46 in (2010) |