September weather in Clifton, VA
The average temperature in Clifton in September is 68.3°F (58.3°F–78.2°F). Average precipitation: inches.
September is a fall month in Clifton, and is warmer than the annual average of 55.5°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Daylight averages about 12h 14m. For travel, September is one of the best months of the year to visit.
Avg High
78.2°F
Avg Low
58.3°F
Precipitation
in
Daylight
12h 14m
September records in Clifton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2010) | 51.1°F (2025) | 1.80 in (2021) |
| September 2 | 96.1°F (2010) | 53.1°F (2009) | 3.40 in (2006) |
| September 3 | 93.9°F (2010) | 53.1°F (2025) | 1.00 in (2019) |
| September 4 | 95.0°F (2023) | 53.1°F (2025) | 0.55 in (2020) |
| September 5 | 97.0°F (2023) | 52.0°F (2024) | 0.90 in (2006) |
| September 6 | 96.1°F (2023) | 55.0°F (2010) | 1.45 in (2011) |
| September 7 | 96.1°F (2023) | 51.1°F (2013) | 5.20 in (2008) |
| September 8 | 93.9°F (2016) | 48.9°F (2024) | 1.10 in (2011) |
| September 9 | 96.1°F (2010) | 46.0°F (2024) | 4.15 in (2011) |
| September 10 | 95.0°F (2016) | 46.9°F (2024) | 0.90 in (2018) |
| September 11 | 95.0°F (2016) | 48.0°F (2010) | 1.20 in (2022) |
| September 12 | 93.9°F (2013) | 48.0°F (2010) | 0.45 in (2010) |
| September 13 | 93.0°F (2019) | 51.1°F (2012) | 1.25 in (2022) |
| September 14 | 90.0°F (2008) | 48.9°F (2014) | 0.93 in (2008) |
| September 15 | 93.9°F (2016) | 44.1°F (2013) | 0.56 in (2004) |
| September 16 | 88.0°F (2005) | 44.1°F (2011) | 0.34 in (2004) |
| September 17 | 91.0°F (2010) | 45.0°F (2007) | 0.20 in (2021) |
| September 18 | 88.0°F (2005) | 41.0°F (2013) | 2.00 in (2004) |
| September 19 | 88.0°F (2016) | 41.0°F (2013) | 0.65 in (2012) |
| September 20 | 87.1°F (2025) | 41.0°F (2020) | 0.45 in (2016) |
| September 21 | 88.0°F (2005) | 42.1°F (2020) | 0.05 in (2024) |
| September 22 | 87.1°F (2019) | 39.0°F (2020) | 0.85 in (2013) |
| September 23 | 93.9°F (2010) | 39.0°F (2020) | 1.20 in (2021) |
| September 24 | 93.9°F (2010) | 41.0°F (2013) | 2.27 in (2023) |
| September 25 | 98.1°F (2010) | 45.0°F (2012) | 1.10 in (2014) |
| September 26 | 93.9°F (2010) | 45.0°F (2012) | 0.83 in (2008) |
| September 27 | 91.0°F (2007) | 48.9°F (2006) | 0.40 in (2018) |
| September 28 | 88.0°F (2007) | 44.1°F (2022) | 1.90 in (2012) |
| September 29 | 88.0°F (2007) | 44.1°F (2022) | 3.70 in (2004) |
| September 30 | 86.0°F (2019) | 42.1°F (2005) | 2.30 in (2015) |