Greece weather

Our guide to the weather in Greece during September

28

Average high

5

UV Index

104mm

Monthly rainfall

60%

Humidity

We've looked at the most up-to-date weather data for Greece, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Greece weather in September.

How warm is it in Greece during September?

The temperature reaches around 28℃ during the daytime in September, falling away to 12℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Greece during September?

On average, there will be 4 rainy days during the month, amounting to 104.2mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Greece during September?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

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Holidays in Greece

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Breakfast

1-night

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Weather in Greece

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

9.6

Greece weather in

January
11.8

Greece weather in

February
14.4

Greece weather in

March
18.9

Greece weather in

April
24.5

Greece weather in

May
29.0

Greece weather in

June
32.1

Greece weather in

July
32.2

Greece weather in

August
27.7

Greece weather in

September
21.3

Greece weather in

October
16.5

Greece weather in

November
11.8

Greece weather in

December