September weather in Clinton, SC
The average temperature in Clinton in September is 73.7°F (63.1°F–84.4°F). Average precipitation: 3.65 inches.
September is a fall month in Clinton, and is warmer than the annual average of 61.8°F. Daily temperatures swing about 21.3°F between overnight low and afternoon high. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
84.4°F
Avg Low
63.1°F
Precipitation
3.65 in
Daylight
12h 12m
September records in Clinton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2011) | 57.9°F (2025) | 1.48 in (2017) |
| September 2 | 96.1°F (2011) | 57.0°F (2025) | 0.68 in (2016) |
| September 3 | 100.0°F (2011) | 57.0°F (2017) | 1.19 in (2016) |
| September 4 | 95.0°F (2011) | 57.9°F (2017) | 0.66 in (2012) |
| September 5 | 93.9°F (2015) | 57.9°F (2017) | 0.98 in (2015) |
| September 6 | 93.0°F (2012) | 57.9°F (2021) | 0.60 in (2017) |
| September 7 | 96.1°F (2023) | 54.0°F (2017) | 0.20 in (2017) |
| September 8 | 96.1°F (2019) | 54.0°F (2017) | 1.23 in (2014) |
| September 9 | 96.1°F (2019) | 54.0°F (2011) | 0.31 in (2012) |
| September 10 | 96.1°F (2019) | 53.1°F (2017) | 1.13 in (2022) |
| September 11 | 93.0°F (2016) | 53.1°F (2017) | 0.09 in (2020) |
| September 12 | 95.0°F (2019) | 55.9°F (2017) | 2.95 in (2017) |
| September 13 | 97.0°F (2019) | 54.0°F (2015) | 1.12 in (2014) |
| September 14 | 93.9°F (2019) | 51.1°F (2015) | 0.47 in (2024) |
| September 15 | 93.9°F (2011) | 53.1°F (2015) | 0.01 in (2020) |
| September 16 | 91.9°F (2011) | 54.0°F (2015) | 1.85 in (2018) |
| September 17 | 95.0°F (2019) | 55.0°F (2011) | 0.90 in (2020) |
| September 18 | 96.1°F (2019) | 55.0°F (2011) | 2.83 in (2020) |
| September 19 | 88.0°F (2016) | 55.0°F (2011) | 0.61 in (2012) |
| September 20 | 91.0°F (2016) | 48.0°F (2020) | 0.07 in (2016) |
| September 21 | 90.0°F (2017) | 48.0°F (2020) | 0.29 in (2025) |
| September 22 | 91.0°F (2022) | 46.9°F (2020) | 0.41 in (2013) |
| September 23 | 95.0°F (2022) | 46.9°F (2020) | 1.71 in (2011) |
| September 24 | 91.9°F (2019) | 48.9°F (2022) | 0.50 in (2011) |
| September 25 | 93.0°F (2016) | 51.1°F (2012) | 1.55 in (2015) |
| September 26 | 93.0°F (2019) | 51.1°F (2021) | 1.08 in (2013) |
| September 27 | 96.1°F (2019) | 52.0°F (2021) | 6.20 in (2024) |
| September 28 | 96.1°F (2019) | 51.1°F (2022) | 0.72 in (2016) |
| September 29 | 91.9°F (2017) | 50.0°F (2022) | 0.25 in (2015) |
| September 30 | 96.1°F (2019) | 51.1°F (2020) | 0.51 in (2014) |