September in Rize averages a daily high of 24.8°C with nights around 17.9°C. Expect roughly 17.7 wet days totalling 302.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Rize is May–November.
Based on RIZE, TU (1.4km), 1995–2024. 12 years of September data.