In September, Leeuwarden typically sees daytime highs of 17.9°C and overnight lows around 9.7°C. Compared to the annual average high of 12.3°C, September runs +5.6°C.
September in Leeuwarden averages a daytime high of 17.9°C and an overnight low of 9.7°C.
September runs +5.6°C compared to Leeuwarden's annual average high of 12.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 17.9°C and cooler evenings around 9.7°C.