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Greece

Aegean Sea - Greece weather in September 2025

Greece

Aegean Sea - Greece weather in September 2025

 

Day

27 °C

 

Night

20 °C

 

Sea

23 °C

 

Precipitation

11 mm

in month

 

Rainy days

1 days

in month

 

Daylight

12 hours

average

 

Sunshine

11 hours

average

 

Humidity

63 %

 

Day

27 °C

 

Night

20 °C

 

Sea

23 °C

 

Precipitation

11 mm

in month

 

Rainy days

1 days

in month

 

Daylight

12 hours

average

 

Sunshine

11 hours

average

 

Humidity

63 %

Overview: Aegean Sea - Greece
In Aegean Sea in September, the average air temperature ranges from 27 °C (80 °F) during the day to 20 °C (68 °F) at night. There are 1 day of rain on average, where the rainfall is 11 mm (0.42 in).

Weather charts for Aegean Sea - Greece

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Weather overview and FAQs

Weather overview

In Aegean Sea in September, the average air temperature ranges from 27 °C (80 °F) during the day to 20 °C (68 °F) at night. There are 1 day of rain on average, where the rainfall is 11 mm (0.42 in).

Are there good conditions to visit in Aegean Sea in September?

September is one of the best months to visit Aegean Sea. The daily temperatures in this month reach pleasant 27 °C (80 °F). The temperature of the sea will be perfect at 23 °C (74 °F). At night, temperatures hover around a pleasant 20 °C (68 °F). You can expect just 1 day of rain during the month, taking an umbrella is not necessary.

What temperature can I expect during the day in Aegean Sea in September?

In Aegean Sea in September, the average daily temperatures will be 27 °C (80 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

What is the sea temperature in September in Aegean Sea?

The temperature of the sea in Aegean Sea in September is 23 °C (74 °F). This warm sea is nice for swimming, maybe cold for some, but most people can spend a long time in it.

How many rainy days can I expect in Aegean Sea in September?

In Aegean Sea in September, we can expect 1 day to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 0.3 days of the week, or in general - 4 % days.

What is the humidity in September in Aegean Sea?

Humidity in Aegean Sea in September is 63 %.

What is the night temperature in Aegean Sea in September?

The average night temperature in Aegean Sea in September is 20 °C (68 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

How many sunny hours can I expect in Aegean Sea in September?

In September in Aegean Sea, you can expect around 11 hours of sunshine.

Is there a dry season in Aegean Sea in September?

Yes, there is a dry season in September in Aegean Sea with just 1 day during the month being rainy.

Is the sea in Aegean Sea warmer in September than in August?

No, the sea temperature in Aegean Sea in September is not higher than in August.

What is the temperature trend in Aegean Sea in September?

During September in Aegean Sea, the day temperatures are decreasing - from 28 °C (83 °F) at the beginning of the month to 25 °C (77 °F) at the end of the month.

How long is the day (from dawn till dusk) in Aegean Sea in September?

The length of daylight in Aegean Sea in September is 12 hours.

Is the weather in Aegean Sea warmer in September than in October?

Yes, September in Aegean Sea is warmer than October by 3 °C (38 °F).

Is Aegean Sea rainier in September than in August?

Yes, Aegean Sea is a rainier September than in August.

How windy is it in September in Aegean Sea?

An average wind scale that can be expected in Aegean Sea in September is 4.

How does the sea temperature evolve during the month in Aegean Sea in September?

Aegean Sea has a decreasing trend of the sea temperature during September - from 24 °C (75 °F) in the first days of the month to 23 °C (73 °F) in the last days of the month.

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Useful links

The most beautiful Greek islands, where you’ll feel as if you’re in a film
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