September weather in Chapel Hill, NC
The average temperature in Chapel Hill in September is 72.0°F (62.2°F–81.9°F). Average precipitation: 4.41 inches.
September is a fall month in Chapel Hill, and is warmer than the annual average of 60.6°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
81.9°F
Avg Low
62.2°F
Precipitation
4.41 in
Daylight
12h 13m
September records in Chapel Hill
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2010) | 59.0°F (2011) | 1.56 in (2013) |
| September 2 | 95.0°F (2014) | 57.9°F (2006) | 2.61 in (2012) |
| September 3 | 97.0°F (2010) | 57.0°F (2007) | 1.24 in (2012) |
| September 4 | 93.9°F (2007) | 57.9°F (2017) | 1.25 in (1999) |
| September 5 | 95.0°F (2007) | 54.0°F (2010) | 5.28 in (1999) |
| September 6 | 93.9°F (2007) | 55.9°F (2010) | 4.65 in (2008) |
| September 7 | 93.9°F (2016) | 53.1°F (2017) | 0.61 in (2004) |
| September 8 | 93.9°F (2016) | 50.0°F (2017) | 1.26 in (2004) |
| September 9 | 95.0°F (2007) | 52.0°F (2017) | 0.11 in (2015) |
| September 10 | 97.0°F (2007) | 53.1°F (2017) | 0.67 in (2008) |
| September 11 | 97.0°F (2007) | 53.1°F (1999) | 0.13 in (2014) |
| September 12 | 90.0°F (2013) | 52.0°F (2012) | 0.56 in (2017) |
| September 13 | 91.0°F (2008) | 52.0°F (2002) | 0.68 in (2006) |
| September 14 | 93.0°F (2010) | 50.0°F (2015) | 1.02 in (2007) |
| September 15 | 93.9°F (2010) | 50.0°F (2015) | 1.49 in (1999) |
| September 16 | 91.9°F (2010) | 48.0°F (2000) | 1.48 in (2008) |
| September 17 | 91.0°F (2005) | 45.0°F (2000) | 0.40 in (2004) |
| September 18 | 91.9°F (2005) | 48.9°F (1999) | 3.49 in (2012) |
| September 19 | 91.9°F (2010) | 50.0°F (1999) | 1.50 in (2016) |
| September 20 | 93.0°F (2010) | 51.1°F (2004) | 0.39 in (2001) |
| September 21 | 89.1°F (2017) | 48.0°F (2004) | 1.26 in (1999) |
| September 22 | 93.0°F (2010) | 46.0°F (1999) | 0.31 in (2000) |
| September 23 | 97.0°F (2010) | 42.1°F (1999) | 1.11 in (2003) |
| September 24 | 93.9°F (2010) | 46.0°F (1999) | 1.48 in (2014) |
| September 25 | 95.0°F (2010) | 46.0°F (2001) | 2.25 in (2015) |
| September 26 | 89.1°F (2007) | 43.0°F (2001) | 0.57 in (2010) |
| September 27 | 91.9°F (2017) | 45.0°F (2001) | 1.50 in (1999) |
| September 28 | 93.0°F (2017) | 46.0°F (2000) | 1.78 in (1999) |
| September 29 | 82.9°F (2005) | 46.0°F (2003) | 1.64 in (1999) |
| September 30 | 84.0°F (2015) | 43.0°F (2006) | 1.34 in (2010) |