September in Raleigh averages a daily high of 27.9°C with nights around 17.4°C. Expect roughly 7.3 wet days totalling 163.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Raleigh is April–May.
Based on RALEIGH STATE UNIVERSITY, NC US (5.8km), 1995–2024. 30 years of September data.