September in Fukuchiyama averages a daily high of 27.6°C. Expect roughly 13.4 wet days totalling 237mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Fukuchiyama is May–June.
Based on MAIZURU REGIONAL MET HQ, JA (25.7km), 1995–2024. 21 years of September data.