In September, Gemlik typically sees daytime highs of 24.7°C and overnight lows around 13.9°C. Compared to the annual average high of 18.4°C, September runs +6.3°C.
September in Gemlik averages a daytime high of 24.7°C and an overnight low of 13.9°C.
September runs +6.3°C compared to Gemlik's annual average high of 18.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 24.7°C and cooler evenings around 13.9°C.