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Mykonos Weather – September

September is a great time to visit Mykonos as it’s less crowded and the weather is still great.

You can expect warm, sunny days with little or no rain. Daytime temperatures reach an average high of 27°C (81°F) and a low of 18°C (64°F) in the evenings.

Weather conditions in September are excellent for sunbathing, swimming, snorkelling and scuba diving.

Away from the beach, this is also a good time to explore the island on foot, bicycle or motorcycle. Don't miss the preserved ruins of classical antiquity on tiny Delos Island, just a short boat ride away.

September is regarded as the shoulder season in Mykonos, and while hotel rates haven’t dropped by much the beaches and entertainment venues are certainly less crowded.


Mykonos – September Weather Averages

Ave Temp (°C) Temperature icon  23°C (73°F)
Ave High Temp (°C) Temperature icon  27°C (81°F)
Ave Low Temp (°C) temperature icon  18°C (64°F)
Sunshine (Hrs daily) sun icon  10 hours per day
Daylight (Hrs daily) 12  12 hours per day
Comfort Level Moderately hot icon  Moderate heat & humidity
UV Index 7  High
Days with some Rain umbrella icon  2 days
Ave Rainfall (mm) rain cloud  10mm
Sea Temp (°C) swimming icon  24°C (75°F)
Mykonos Town, Mykonos, Greece

Best time to visit Mykonos

The best time to visit Mykonos is in spring and early summer, from March to June, and the first two weeks of September, when the excessive summer heat has passed, the seawater is still warm, the crowds have dissipated and all the facilities are still operational.

Mykonos enjoys a Mediterranean climate with hot, dry summers and mild, wet winters.

Mykonos Weather Overview


Mykonos – Monthly Review

January February March April
May June July August
September October November December

Note: Meteorological data is sourced from the United States National Oceanic and Atmospheric Administration (NOAA) and the World Meteorological Organization (WMO), with additional historical climate data sourced from the Hellenic National Meteorological Service (HNMS).


Latest update: Mykonos Weather in September: 27 February, 2019


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