September in Tsuchiura averages a daily high of 26.6°C. Expect roughly 11.9 wet days totalling 169.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Tsuchiura is April–June.
Based on MITO, JA (39.8km), 1995–2024. 20 years of September data.