Mykonos weather

Mykonos is blessed with a Mediterranean climate and is hot and dry during the summer. We've looked at the most up-to-date weather data for Mykonos, covering the last 12 years up to 2021, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Mykonos weather in September.

How warm is it in Mykonos during September?

The temperature is extremely stable in September with average highs of 24℃ and lows just 2℃ lower at 23℃. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Mykonos during September?

On average, there will be 3 rainy days during the month, amounting to 2.8mm in total. That's almost nothing at all, therefore rain isn't something we think you need to consider. You're not likely to see a thunderstorm during your trip.

How warm is the sea in Mykonos during September?

The water temperature around Mykonos reaches a pleasant 24℃ during September. While generally considered warm, some people might find it a little on the cool side on entering the water.