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September in Kotō averages a daily high of 30.3°C. Expect roughly 10 wet days totalling 167.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kotō is April–May.
Based on KUMAMOTO, JA (6.1km), 1995–2024. 26 years of September data.
See all twelve months for Kotō →