September in Roanoke averages a daily high of 26.3°C with nights around 15.2°C. Expect roughly 9 wet days totalling 113.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Roanoke is September–October.
Based on ROANOKE BLACKSBURG REGIONAL AIRPORT, VA US (5.9km), 1995–2024. 30 years of September data.