In September, Stuttgart typically sees daytime highs of 19.9°C and overnight lows around 9.2°C. Compared to the annual average high of 13.7°C, September runs +6.1°C.
September in Stuttgart averages a daytime high of 19.9°C and an overnight low of 9.2°C.
September runs +6.1°C compared to Stuttgart's annual average high of 13.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 19.9°C and cooler evenings around 9.2°C.