When to goThessaloniki · September 2026←→Pleasantly warm in Thessaloniki: 28° / 19° on average, 8h sun a day.
Highlights this month🎪Summer Festival at the Garden Theater continues starts1 Sept🎪90th Thessaloniki International Fair (TIF) Week 1 starts5 Sept🌡5-day heat streak begins5 Sept
Best days for…🏖Best beach daySun 6 Sept✨Best beach weekendSat 12 Sept🌿Best quiet dayTue 1 Sept🎨Best cultural dayMon 14 Sept
Typical month🌤Temp avg high / low28° / 19°🌧Rainy days3☀️Sunshine per day8 h🌊Sea temp23°30-year climate normals — actual conditions vary.