September in Shizuoka averages a daily high of 28.7°C. Expect roughly 12.4 wet days totalling 270.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Shizuoka is April–June.
Based on SHIZUOKA, JA (1.5km), 1995–2024. 27 years of September data.