September in South Fulton averages a daily high of 28.6°C with nights around 18.8°C. Expect roughly 7.2 wet days totalling 95.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit South Fulton is April–May.
Based on ATLANTA HARTSFIELD JACKSON INTERNATIONAL AIRPORT, GA US (21.8km), 1995–2024. 30 years of September data.