September weather in Olanta, SC
The average temperature in Olanta in September is 75.2°F (63.9°F–86.5°F). Average precipitation: 5.11 inches.
September is a fall month in Olanta, and is warmer than the annual average of 64.1°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 12m. For travel, September is a wet month.
Avg High
86.5°F
Avg Low
63.9°F
Precipitation
5.11 in
Daylight
12h 12m
September records in Olanta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1998) | 52.0°F (2025) | 1.59 in (2002) |
| September 2 | 99.0°F (2014) | 54.0°F (1999) | 1.10 in (2016) |
| September 3 | 98.1°F (2020) | 50.0°F (2025) | 5.43 in (2016) |
| September 4 | 95.0°F (2014) | 51.1°F (2025) | 3.16 in (1998) |
| September 5 | 97.0°F (2020) | 46.0°F (1997) | 1.20 in (2019) |
| September 6 | 95.0°F (1998) | 46.9°F (1997) | 2.16 in (2008) |
| September 7 | 96.1°F (2018) | 51.1°F (1997) | 1.51 in (2012) |
| September 8 | 96.1°F (2019) | 52.0°F (2017) | 1.66 in (2004) |
| September 9 | 96.1°F (2010) | 50.0°F (1998) | 0.42 in (1998) |
| September 10 | 97.0°F (2019) | 46.9°F (1998) | 1.61 in (1997) |
| September 11 | 95.0°F (2007) | 46.9°F (1998) | 2.22 in (1996) |
| September 12 | 97.0°F (2002) | 50.0°F (1998) | 3.34 in (2017) |
| September 13 | 95.0°F (2018) | 54.0°F (1998) | 0.44 in (2007) |
| September 14 | 93.0°F (1998) | 50.0°F (1996) | 3.42 in (2006) |
| September 15 | 95.0°F (2010) | 50.0°F (1996) | 2.09 in (2002) |
| September 16 | 96.1°F (2005) | 51.1°F (1996) | 4.05 in (1999) |
| September 17 | 100.0°F (2005) | 46.0°F (2001) | 0.60 in (2018) |
| September 18 | 98.1°F (2005) | 46.0°F (2001) | 3.91 in (2020) |
| September 19 | 99.0°F (2005) | 48.9°F (1996) | 1.71 in (2012) |
| September 20 | 93.9°F (2005) | 46.9°F (1996) | 0.33 in (2006) |
| September 21 | 99.0°F (2010) | 46.9°F (1996) | 1.15 in (1999) |
| September 22 | 93.9°F (2010) | 46.0°F (2020) | 2.53 in (1998) |
| September 23 | 95.0°F (2022) | 43.0°F (1999) | 2.30 in (2016) |
| September 24 | 95.0°F (2010) | 43.0°F (1999) | 2.06 in (2011) |
| September 25 | 97.0°F (2019) | 45.0°F (1999) | 2.60 in (1997) |
| September 26 | 96.1°F (2025) | 46.0°F (2001) | 1.06 in (2002) |
| September 27 | 95.0°F (2019) | 45.0°F (2001) | 2.85 in (2025) |
| September 28 | 96.1°F (2018) | 48.0°F (2000) | 1.95 in (2004) |
| September 29 | 96.1°F (2017) | 46.9°F (2000) | 1.61 in (1999) |
| September 30 | 98.1°F (2019) | 44.1°F (2003) | 4.61 in (2010) |