September in Hatogaya-honchō averages a daily high of 27.8°C. Expect roughly 12.9 wet days totalling 220.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hatogaya-honchō is April–June.
Based on TOKYO, JA (16.8km), 1995–2024. 21 years of September data.