September in Columbus averages a daily high of 30.5°C with nights around 19.8°C. Expect roughly 7.2 wet days totalling 94.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Columbus is March–April.
Based on COLUMBUS METROPOLITAN AIRPORT, GA US (7.5km), 1995–2024. 30 years of September data.