In September, Klagenfurt am Woerthersee typically sees daytime highs of 19.1°C and overnight lows around 8.4°C. Compared to the annual average high of 12.8°C, September runs +6.3°C.
September in Klagenfurt am Woerthersee averages a daytime high of 19.1°C and an overnight low of 8.4°C.
September runs +6.3°C compared to Klagenfurt am Woerthersee's annual average high of 12.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 19.1°C and cooler evenings around 8.4°C.