September in Kawachi-Nagano averages a daily high of 29.6°C. Expect roughly 10.8 wet days totalling 142.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kawachi-Nagano is April–June.
Based on OSAKA, JA (27.6km), 1995–2024. 21 years of September data.