September in South Jordan averages a daily high of 26.5°C with nights around 13.9°C. Expect roughly 6 wet days totalling 38mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit South Jordan is May–June.
Based on COTTONWOOD WEIR, UT US (13.9km), 1995–2024. 30 years of September data.