In September, Minnetonka typically sees daytime highs of 21.7°C and overnight lows around 9.6°C. Compared to the annual average high of 12.2°C, September runs +9.4°C.
September in Minnetonka averages a daytime high of 21.7°C and an overnight low of 9.6°C.
September runs +9.4°C compared to Minnetonka's annual average high of 12.2°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 21.7°C and cooler evenings around 9.6°C.