September weather in North Myrtle Beach, SC
The average temperature in North Myrtle Beach in September is 75.5°F (67.7°F–83.2°F). Average precipitation: 6.65 inches.
September is a fall month in North Myrtle Beach, and is warmer than the annual average of 64°F. Daily temperatures swing about 15.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 12m. For travel, September is a wet month.
Avg High
83.2°F
Avg Low
67.7°F
Precipitation
6.65 in
Daylight
12h 12m
September records in North Myrtle Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2012) | 59.0°F (1999) | 0.65 in (1953) |
| September 2 | 90.0°F (2003) | 60.1°F (1954) | 8.90 in (2016) |
| September 3 | 95.0°F (2010) | 55.0°F (1954) | 3.46 in (2000) |
| September 4 | 93.9°F (2020) | 62.1°F (1954) | 1.53 in (1953) |
| September 5 | 93.0°F (2023) | 57.9°F (1952) | 10.39 in (2019) |
| September 6 | 91.0°F (1954) | 57.9°F (1950) | 1.97 in (2017) |
| September 7 | 91.9°F (2016) | 60.1°F (1952) | 2.43 in (1999) |
| September 8 | 89.1°F (2010) | 57.9°F (1953) | 2.49 in (1950) |
| September 9 | 91.0°F (2007) | 55.0°F (1951) | 1.00 in (2021) |
| September 10 | 90.0°F (2010) | 54.0°F (1951) | 1.12 in (2022) |
| September 11 | 93.9°F (2002) | 55.9°F (1949) | 2.97 in (1952) |
| September 12 | 90.0°F (2010) | 57.0°F (1999) | 1.35 in (2016) |
| September 13 | 89.1°F (2000) | 59.0°F (1953) | 4.33 in (1949) |
| September 14 | 90.0°F (2010) | 53.1°F (1953) | 5.71 in (2018) |
| September 15 | 91.9°F (2008) | 55.9°F (2015) | 12.04 in (1999) |
| September 16 | 91.0°F (2005) | 54.0°F (2023) | 3.38 in (1999) |
| September 17 | 91.0°F (2019) | 52.0°F (2001) | 4.12 in (2020) |
| September 18 | 89.1°F (2016) | 54.0°F (2001) | 4.06 in (2000) |
| September 19 | 91.9°F (1949) | 55.0°F (2001) | 3.00 in (2016) |
| September 20 | 90.0°F (2015) | 55.0°F (1951) | 0.72 in (1954) |
| September 21 | 91.9°F (1954) | 55.0°F (1949) | 1.30 in (1999) |
| September 22 | 90.0°F (1950) | 50.0°F (1999) | 4.90 in (1952) |
| September 23 | 90.0°F (2007) | 46.9°F (1999) | 2.31 in (2000) |
| September 24 | 89.1°F (2000) | 48.9°F (2022) | 0.82 in (2015) |
| September 25 | 90.0°F (2010) | 46.9°F (1950) | 2.13 in (2008) |
| September 26 | 87.1°F (2010) | 46.0°F (1950) | 1.75 in (1953) |
| September 27 | 91.0°F (2017) | 52.0°F (2001) | 6.93 in (1951) |
| September 28 | 90.0°F (2007) | 52.0°F (2001) | 0.86 in (2010) |
| September 29 | 91.0°F (2019) | 51.1°F (2001) | 2.04 in (2010) |
| September 30 | 88.0°F (2019) | 48.0°F (2001) | 3.41 in (2022) |