Mykonos vs Santorini

Mykonos and Santorini are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Mykonos sits in the comfortable travel range at 24°C. Santorini is also comfortable at 25°C.

For travelers who prioritize dry weather, both cities are equally dry in September.

Mykonos reaches an average high of 24°C (75°F) and drops to 21°C (70°F) at night during September. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.

Santorini averages 25°C (77°F) for the high and 22°C (72°F) for the low, with a daily range of 3°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Mykonos receives approximately 6 mm of rainfall across 1 rain days during September. Rain is rare this month, so dry conditions are likely.

Santorini sees 5 mm over 1 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.