September in Rikaze averages a daily high of 20°C with nights around 6.6°C. Expect roughly 14.5 wet days totalling 58mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Rikaze is April–May.
Based on XIGAZE, CH (0km), 1995–2024. 23 years of September data.