In September, Lelystad typically sees daytime highs of 18.1°C and overnight lows around 10.1°C. Compared to the annual average high of 12.6°C, September runs +5.5°C.
September in Lelystad averages a daytime high of 18.1°C and an overnight low of 10.1°C.
September runs +5.5°C compared to Lelystad's annual average high of 12.6°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 10.1°C.