Typical Weather in Mankato, MN in September
73° F Avg High
49° F Avg Low
5 Rainy Days
☀️ Temperature Summary
September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. Highs in September are typically around 73°F, which is warmer than usual in Mankato. You can expect overnight lows near 49°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 77°F and 66°F.
September is a great time to visit Mankato, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In September you can expect close to a 18% chance of rain for any given day. It rains more than usual in September, with total rainfall for the month typically near 3 inches.
Rainfall Throughout the Year
Planning a trip to Mankato? Try our free trip weather planner