September in Burlington averages a daily high of 27.8°C with nights around 16.1°C. Expect roughly 7.8 wet days totalling 126.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Burlington is April–May.
Based on BURLINGTON FIRE STATION NUMBER 5, NC US (4.1km), 1995–2024. 21 years of September data.