September in Anderson averages a daily high of 25°C with nights around 12.9°C. Expect roughly 7.4 wet days totalling 79.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Anderson is August–September.
Based on ANDERSON 1 N, IN US (1.3km), 1995–2024. 26 years of September data.