September weather in Harman, WV
The average temperature in Harman in September is 58.5°F (48.9°F–68.1°F). Average precipitation: 3.97 inches.
September is a fall month in Harman, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
68.1°F
Avg Low
48.9°F
Precipitation
3.97 in
Daylight
12h 14m
September records in Harman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 80.8°F (2010) | 40.6°F (2025) | 1.55 in (2021) |
| September 2 | 84.0°F (2010) | 39.2°F (2009) | 0.41 in (2013) |
| September 3 | 83.3°F (2011) | 36.3°F (2021) | 0.61 in (2020) |
| September 4 | 82.4°F (2018) | 39.6°F (2009) | 2.09 in (2011) |
| September 5 | 82.0°F (2018) | 39.4°F (2010) | 1.33 in (2011) |
| September 6 | 81.9°F (2007) | 35.8°F (2010) | 1.65 in (2011) |
| September 7 | 81.0°F (2015) | 39.6°F (2025) | 0.17 in (2023) |
| September 8 | 82.4°F (2015) | 34.7°F (2025) | 2.73 in (2004) |
| September 9 | 80.1°F (2016) | 32.0°F (2020) | 1.68 in (2018) |
| September 10 | 80.1°F (2019) | 35.4°F (2017) | 0.65 in (2007) |
| September 11 | 81.3°F (2019) | 36.0°F (2012) | 0.89 in (2007) |
| September 12 | 79.3°F (2019) | 43.0°F (2012) | 0.95 in (2008) |
| September 13 | 79.3°F (2016) | 40.3°F (2014) | 0.49 in (2015) |
| September 14 | 81.1°F (2008) | 36.9°F (2013) | 0.83 in (2007) |
| September 15 | 77.0°F (2005) | 32.9°F (2007) | 0.44 in (2011) |
| September 16 | 78.4°F (2019) | 29.5°F (2007) | 1.34 in (2010) |
| September 17 | 77.2°F (2016) | 33.8°F (2014) | 1.48 in (2023) |
| September 18 | 77.0°F (2021) | 37.9°F (2010) | 1.69 in (2012) |
| September 19 | 78.3°F (2021) | 35.8°F (2004) | 0.27 in (2024) |
| September 20 | 76.6°F (2018) | 30.2°F (2020) | 0.26 in (2011) |
| September 21 | 78.3°F (2024) | 31.5°F (2020) | 0.79 in (2021) |
| September 22 | 79.7°F (2010) | 29.7°F (2020) | 0.99 in (2021) |
| September 23 | 79.3°F (2017) | 29.8°F (2014) | 0.79 in (2023) |
| September 24 | 79.7°F (2010) | 32.9°F (2013) | 0.45 in (2024) |
| September 25 | 79.7°F (2017) | 35.6°F (2021) | 0.45 in (2025) |
| September 26 | 78.4°F (2017) | 40.5°F (2006) | 1.04 in (2009) |
| September 27 | 78.6°F (2017) | 38.1°F (2022) | 1.64 in (2018) |
| September 28 | 75.9°F (2019) | 35.8°F (2016) | 1.74 in (2004) |
| September 29 | 80.1°F (2019) | 33.8°F (2005) | 1.41 in (2016) |
| September 30 | 76.6°F (2019) | 29.1°F (2005) | 2.38 in (2010) |