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September weather forecast. Greece: Yandex

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

31 August, sun

	751 mmHg		63%
	3.5 m/s		+27

31 August, Sunday. day, 28°; night, 22°; rain

1 September, mon

	751 mmHg		64%
	3.4 m/s		+27

1 September, Monday. day, 28°; night, 21°; clear

2 September, tue

	751 mmHg		65%
	3.3 m/s		+27

2 September, Tuesday. day, 27°; night, 21°; clear

3 September, wed

	752 mmHg		67%
	3.1 m/s		+27

3 September, Wednesday. day, 27°; night, 21°; clear

4 September, thu

	752 mmHg		64%
	3.5 m/s		+28

4 September, Thursday. day, 27°; night, 21°; clear

5 September, fri

	751 mmHg		65%
	3.7 m/s		+28

5 September, Friday. day, 27°; night, 21°; clear

6 September, sat

	751 mmHg		64%
	3.9 m/s		+26

6 September, Saturday. day, 26°; night, 20°; clear

7 September, sun

	752 mmHg		67%
	3.8 m/s		+26

7 September, Sunday. day, 26°; night, 20°; rain

8 September, mon

	752 mmHg		68%
	3.4 m/s		+26

8 September, Monday. day, 26°; night, 20°; rain

9 September, tue

	752 mmHg		66%
	3.5 m/s		+26

9 September, Tuesday. day, 26°; night, 20°; clear

10 September, wed

	752 mmHg		68%
	3.6 m/s		+26

10 September, Wednesday. day, 26°; night, 20°; clear

11 September, thu

	752 mmHg		67%
	3.5 m/s		+26

11 September, Thursday. day, 26°; night, 20°; clear

12 September, fri

	752 mmHg		66%
	3.2 m/s		+26

12 September, Friday. day, 26°; night, 19°; clear

13 September, sat

	752 mmHg		65%
	3.5 m/s		+27

13 September, Saturday. day, 26°; night, 19°; clear

14 September, sun

	752 mmHg		65%
	3.4 m/s		+27

14 September, Sunday. day, 26°; night, 19°; clear

15 September, mon

	752 mmHg		66%
	3.1 m/s		+25

15 September, Monday. day, 26°; night, 19°; clear

16 September, tue

	752 mmHg		68%
	3.1 m/s		+26

16 September, Tuesday. day, 26°; night, 19°; clear

17 September, wed

	752 mmHg		68%
	3.1 m/s		+26

17 September, Wednesday. day, 26°; night, 19°; clear

18 September, thu

	752 mmHg		69%
	3.1 m/s		+26

18 September, Thursday. day, 26°; night, 20°; clear

19 September, fri

	752 mmHg		71%
	3.2 m/s		+25

19 September, Friday. day, 26°; night, 19°; clear

20 September, sat

	752 mmHg		70%
	3.4 m/s		+24

20 September, Saturday. day, 25°; night, 19°; partly cloudy

21 September, sun

	753 mmHg		71%
	3.4 m/s		+23

21 September, Sunday. day, 24°; night, 18°; rain

22 September, mon

	753 mmHg		70%
	3.1 m/s		+24

22 September, Monday. day, 24°; night, 18°; rain

23 September, tue

	753 mmHg		70%
	3.2 m/s		+24

23 September, Tuesday. day, 24°; night, 17°; clear

24 September, wed

	753 mmHg		69%
	2.8 m/s		+24

24 September, Wednesday. day, 24°; night, 18°; partly cloudy

25 September, thu

	753 mmHg		69%
	3.2 m/s		+24

25 September, Thursday. day, 25°; night, 18°; partly cloudy

26 September, fri

	752 mmHg		70%
	3.4 m/s		+23

26 September, Friday. day, 24°; night, 18°; overcast

27 September, sat

	753 mmHg		69%
	3.4 m/s		+23

27 September, Saturday. day, 24°; night, 18°; rain

28 September, sun

	753 mmHg		72%
	3.3 m/s		+23

28 September, Sunday. day, 24°; night, 18°; rain

29 September, mon

	753 mmHg		71%
	3.2 m/s		+23

29 September, Monday. day, 24°; night, 17°; rain

30 September, tue

	753 mmHg		69%
	3.3 m/s		+23

30 September, Tuesday. day, 23°; night, 17°; clear

1 October, wed

	753 mmHg		69%
	3 m/s		+22

1 October, Wednesday. day, 23°; night, 17°; clear

2 October, thu

	754 mmHg		70%
	3.1 m/s		+22

2 October, Thursday. day, 23°; night, 17°; clear

3 October, fri

	754 mmHg		73%
	2.8 m/s		+23

3 October, Friday. day, 23°; night, 17°; clear

4 October, sat

	754 mmHg		72%
	2.9 m/s		+23

4 October, Saturday. day, 23°; night, 17°; clear

Average data for 10 years

Greece September

19

sunny days

7

days with precipitation

1

cloudy day

19 sunny days; 7 days with precipitation; 1 cloudy day;

68

%

air humidity

2

m/s

WindSE

76

mm of precipitation

(11% of annual average)

+25

°C

Water temperature

air humidity 68%; 76 millimeters of precipitation (11% of annual average); Wind south-easterly 2 Meters per second; Water temperature +25°

Weather graphs for September

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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SE

SE

SE

SE

SE

SE

SE

S

SE

SE

S

S

SE

S

S

S

S

SE

SE

S

S

S

S

S

S

SE

SE

S

S

1

Average data for 10 years

2

3

4

5

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10

11

12

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18

19

20

21

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

The weather forecast for September 2025 is based on historical data from the past 10 years.

In September, the weather in Greece is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, Greece has 19 sunny, 7 rainy, 3 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most comfortable time to visit Greece.

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