September in Jackson averages a daily high of 26.5°C with nights around 13.4°C. Expect roughly 6.6 wet days totalling 104.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Jackson is April–May.
Based on INDIAN MILLS 2 W, NJ US (7.4km), 1995–2024. 28 years of September data.