September in Eagan averages a daily high of 23.4°C with nights around 12.7°C. Expect roughly 8.5 wet days totalling 68.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Eagan is May–June.
Based on MINNEAPOLIS ST. PAUL INTERNATIONAL AIRPORT, MN US (10.4km), 1995–2024. 30 years of September data.