In September, Friedrichshafen typically sees daytime highs of 19.3°C and overnight lows around 10.2°C. Compared to the annual average high of 13.1°C, September runs +6.1°C.
September in Friedrichshafen averages a daytime high of 19.3°C and an overnight low of 10.2°C.
September runs +6.1°C compared to Friedrichshafen's annual average high of 13.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 19.3°C and cooler evenings around 10.2°C.