September weather in Flat Rock, NC
The average temperature in Flat Rock in September is °F (°F–°F). Average precipitation: 5.06 inches.
September is a fall month in Flat Rock, and is cooler than the annual average of 0°F. Daylight averages about 12h 13m.
Avg High
°F
Avg Low
°F
Precipitation
5.06 in
Daylight
12h 13m
September records in Flat Rock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 88.0°F (2011) | 59.0°F (2011) | 1.75 in (2021) |
| September 2 | 89.1°F (2011) | 59.0°F (2011) | 0.80 in (2024) |
| September 3 | 90.0°F (2011) | 59.0°F (2011) | 0.90 in (2014) |
| September 4 | 89.1°F (2011) | 60.1°F (2013) | 0.27 in (2022) |
| September 5 | 90.0°F (2015) | 60.1°F (2013) | 3.40 in (2022) |
| September 6 | 84.9°F (2014) | 55.9°F (2013) | 1.13 in (2011) |
| September 7 | 86.0°F (2014) | 55.9°F (2013) | 0.43 in (2011) |
| September 8 | 89.1°F (2016) | 54.0°F (2016) | 0.65 in (2014) |
| September 9 | 89.1°F (2016) | 54.0°F (2011) | 0.60 in (2018) |
| September 10 | 84.0°F (2013) | 53.1°F (2011) | 0.49 in (2023) |
| September 11 | 84.9°F (2013) | 48.9°F (2012) | 0.15 in (2018) |
| September 12 | 86.0°F (2014) | 50.0°F (2011) | 4.00 in (2017) |
| September 13 | 84.0°F (2013) | 53.1°F (2012) | 2.10 in (2020) |
| September 14 | 84.9°F (2011) | 51.1°F (2013) | 0.28 in (2023) |
| September 15 | 86.0°F (2011) | 52.0°F (2011) | 0.06 in (2014) |
| September 16 | 80.1°F (2011) | 55.0°F (2011) | 1.04 in (2018) |
| September 17 | 82.0°F (2013) | 55.0°F (2011) | 2.42 in (2018) |
| September 18 | 82.0°F (2017) | 55.0°F (2011) | 2.75 in (2020) |
| September 19 | 82.9°F (2017) | 51.1°F (2012) | 3.34 in (2012) |
| September 20 | 82.9°F (2017) | 53.1°F (2012) | 0.45 in (2024) |
| September 21 | 84.9°F (2017) | 52.0°F (2014) | 0.75 in (2021) |
| September 22 | 84.9°F (2017) | 53.1°F (2012) | 1.43 in (2013) |
| September 23 | 82.0°F (2012) | 46.9°F (2012) | 0.75 in (2021) |
| September 24 | 80.1°F (2011) | 42.1°F (2012) | 0.77 in (2011) |
| September 25 | 89.1°F (2016) | 42.1°F (2012) | 1.80 in (2020) |
| September 26 | 84.0°F (2017) | 46.9°F (2012) | 1.20 in (2013) |
| September 27 | 84.9°F (2017) | 52.0°F (2013) | 0.76 in (2011) |
| September 28 | 84.0°F (2017) | 48.9°F (2012) | 0.90 in (2015) |
| September 29 | 84.0°F (2017) | 48.9°F (2012) | 0.95 in (2015) |
| September 30 | 80.1°F (2011) | 50.0°F (2011) | 0.24 in (2012) |