September in Denizli averages a daily high of 31.7°C with nights around 17.7°C. Expect roughly 3.9 wet days totalling 16.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Denizli is October–November.
Based on DENIZLI, TU (1.1km), 1995–2024. 23 years of September data.