Skiathos weather

Our guide to the weather in Skiathos during September

24

Average high

6

UV Index

48mm

Month rainfall

25

Sea temperature

We've looked at the most up-to-date weather data for Skiathos, 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 Skiathos weather in September.

How warm is it in Skiathos during September?

The temperature is extremely stable in September with average highs of 24℃ and lows just 2℃ lower at 22℃. 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 Skiathos during September?

On average, there will be 10 rainy days during the month, amounting to 47.9mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

How warm is the sea in Skiathos during September?

The water temperature around Skiathos reaches a pleasant 25℃ during September. While generally considered warm, some people might find it a little on the cool side on entering the water.

Weather in Skiathos

Our month-by-month guide to the weather and climate in Skiathos

11.7

Skiathos weather in

January
12.7

Skiathos weather in

February
14.2

Skiathos weather in

March
16.1

Skiathos weather in

April
20.4

Skiathos weather in

May
24.3

Skiathos weather in

June
26.7

Skiathos weather in

July
27.0

Skiathos weather in

August
24.3

Skiathos weather in

September
20.3

Skiathos weather in

October
17.0

Skiathos weather in

November
13.6

Skiathos weather in

December