September weather in Martinsburg, WV
The average temperature in Martinsburg in September is 66.8°F (54.4°F–79.2°F). Average precipitation: 4.17 inches.
September is a fall month in Martinsburg, and is warmer than the annual average of 53.9°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
79.2°F
Avg Low
54.4°F
Precipitation
4.17 in
Daylight
12h 15m
September records in Martinsburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2010) | 46.9°F (2009) | 3.63 in (2018) |
| September 2 | 98.1°F (2010) | 45.0°F (2009) | 2.98 in (2021) |
| September 3 | 98.1°F (2010) | 45.0°F (2009) | 0.89 in (2012) |
| September 4 | 98.1°F (2010) | 48.0°F (2009) | 2.02 in (2003) |
| September 5 | 97.0°F (2023) | 48.9°F (2009) | 0.45 in (2001) |
| September 6 | 96.1°F (2023) | 43.0°F (2000) | 1.35 in (2011) |
| September 7 | 97.0°F (1998) | 43.0°F (2000) | 1.67 in (2011) |
| September 8 | 93.9°F (2010) | 45.0°F (2025) | 0.60 in (2023) |
| September 9 | 93.9°F (2015) | 43.0°F (2024) | 1.72 in (2018) |
| September 10 | 91.9°F (2016) | 43.0°F (2024) | 1.97 in (2018) |
| September 11 | 93.9°F (2013) | 44.1°F (2017) | 1.28 in (2023) |
| September 12 | 93.9°F (2013) | 44.1°F (2017) | 1.14 in (2013) |
| September 13 | 93.9°F (2019) | 46.9°F (2012) | 1.30 in (2022) |
| September 14 | 93.9°F (1998) | 44.1°F (2014) | 0.27 in (2018) |
| September 15 | 95.0°F (1998) | 42.1°F (2001) | 1.09 in (2011) |
| September 16 | 91.9°F (1998) | 39.9°F (2001) | 0.45 in (2011) |
| September 17 | 91.9°F (1998) | 39.9°F (2007) | 0.98 in (2010) |
| September 18 | 88.0°F (2005) | 39.0°F (2007) | 0.83 in (2025) |
| September 19 | 88.0°F (2021) | 39.0°F (2013) | 1.85 in (2012) |
| September 20 | 89.1°F (1998) | 33.1°F (2020) | 1.82 in (2000) |
| September 21 | 89.1°F (1998) | 34.0°F (2020) | 0.75 in (2001) |
| September 22 | 88.0°F (2019) | 35.1°F (2020) | 0.85 in (2019) |
| September 23 | 95.0°F (2010) | 34.0°F (2020) | 2.12 in (2021) |
| September 24 | 93.0°F (2010) | 37.9°F (1998) | 1.50 in (2023) |
| September 25 | 95.0°F (2010) | 39.0°F (2012) | 0.74 in (2001) |
| September 26 | 91.0°F (2007) | 39.0°F (2012) | 1.47 in (2000) |
| September 27 | 91.0°F (1998) | 37.9°F (2000) | 2.73 in (2007) |
| September 28 | 90.0°F (2017) | 37.0°F (2000) | 1.45 in (2018) |
| September 29 | 91.0°F (2019) | 41.0°F (2022) | 2.00 in (2016) |
| September 30 | 84.9°F (1998) | 37.0°F (2000) | 1.70 in (2015) |