September in Saint Cloud averages a daily high of 22.5°C with nights around 9.4°C. Expect roughly 9.5 wet days totalling 75.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Saint Cloud is May–September.
Based on ST. CLOUD REGIONAL AIRPORT, MN US (8.8km), 1995–2024. 30 years of September data.