Athens vs Mykonos

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Mykonos edges ahead as the better destination in September. Mykonos offers 11 hours of daily sunshine with only 1 rain days, while Athens sees 11 sunshine hours and 3 rain days.

Athens sits in the comfortable travel range at 28°C. Mykonos is also comfortable at 24°C.

For travelers who prioritize dry weather, Mykonos is the stronger choice in September.

Athens reaches an average high of 28°C (82°F) and drops to 19°C (66°F) at night during September. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Mykonos averages 24°C (75°F) for the high and 21°C (70°F) for the low, with a daily range of 3°C. The 4°C difference is noticeable but not dramatic.

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

Athens receives approximately 17 mm of rainfall across 3 rain days during September. Rain is occasional, so a light rain jacket should suffice.

Mykonos sees 6 mm over 1 rain days. That makes Mykonos the drier option by 2 rain days and 11 mm of total precipitation.

Both cities share similar humidity levels at 65%.