In September, Gebze typically sees daytime highs of 24.4°C and overnight lows around 15.2°C. Compared to the annual average high of 18.1°C, September runs +6.2°C.
September in Gebze averages a daytime high of 24.4°C and an overnight low of 15.2°C.
September runs +6.2°C compared to Gebze's annual average high of 18.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 24.4°C and cooler evenings around 15.2°C.