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September weather forecast in Gemlik

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

	730 mmHg		71%
	4.9 m/s		+24

31 August, Sunday. day, 26°; night, 20°; rain

1 September, mon

	730 mmHg		70%
	4.9 m/s		+24

1 September, Monday. day, 26°; night, 20°; clear

2 September, tue

	731 mmHg		71%
	4.6 m/s		+24

2 September, Tuesday. day, 25°; night, 20°; clear

3 September, wed

	731 mmHg		71%
	4.8 m/s		+24

3 September, Wednesday. day, 25°; night, 19°; clear

4 September, thu

	731 mmHg		72%
	4.9 m/s		+24

4 September, Thursday. day, 25°; night, 19°; rain

5 September, fri

	731 mmHg		71%
	5 m/s		+24

5 September, Friday. day, 25°; night, 19°; clear

6 September, sat

	730 mmHg		69%
	5.2 m/s		+24

6 September, Saturday. day, 25°; night, 19°; rain

7 September, sun

	731 mmHg		70%
	5.3 m/s		+24

7 September, Sunday. day, 24°; night, 18°; clear

8 September, mon

	731 mmHg		69%
	5.2 m/s		+24

8 September, Monday. day, 24°; night, 18°; clear

9 September, tue

	732 mmHg		69%
	4.8 m/s		+24

9 September, Tuesday. day, 24°; night, 18°; clear

10 September, wed

	731 mmHg		70%
	4.9 m/s		+23

10 September, Wednesday. day, 24°; night, 18°; clear

11 September, thu

	731 mmHg		70%
	4.9 m/s		+23

11 September, Thursday. day, 24°; night, 18°; clear

12 September, fri

	731 mmHg		72%
	4.8 m/s		+23

12 September, Friday. day, 24°; night, 18°; clear

13 September, sat

	731 mmHg		71%
	4.8 m/s		+23

13 September, Saturday. day, 24°; night, 18°; clear

14 September, sun

	731 mmHg		71%
	4.8 m/s		+23

14 September, Sunday. day, 24°; night, 18°; clear

15 September, mon

	731 mmHg		72%
	4.3 m/s		+23

15 September, Monday. day, 24°; night, 18°; clear

16 September, tue

	731 mmHg		71%
	4.5 m/s		+23

16 September, Tuesday. day, 24°; night, 18°; clear

17 September, wed

	731 mmHg		71%
	4.1 m/s		+23

17 September, Wednesday. day, 24°; night, 18°; clear

18 September, thu

	731 mmHg		72%
	4.3 m/s		+23

18 September, Thursday. day, 24°; night, 18°; clear

19 September, fri

	731 mmHg		72%
	4.5 m/s		+23

19 September, Friday. day, 24°; night, 18°; clear

20 September, sat

	731 mmHg		74%
	4.5 m/s		+22

20 September, Saturday. day, 23°; night, 17°; clear

21 September, sun

	732 mmHg		74%
	4.69 m/s		+22

21 September, Sunday. day, 22°; night, 17°; rain

22 September, mon

	732 mmHg		73%
	4.5 m/s		+22

22 September, Monday. day, 21°; night, 17°; rain

23 September, tue

	732 mmHg		74%
	4.19 m/s		+22

23 September, Tuesday. day, 22°; night, 16°; rain

24 September, wed

	732 mmHg		72%
	3.8 m/s		+22

24 September, Wednesday. day, 22°; night, 16°; partly cloudy

25 September, thu

	732 mmHg		72%
	4.1 m/s		+22

25 September, Thursday. day, 22°; night, 17°; partly cloudy

26 September, fri

	732 mmHg		72%
	4.5 m/s		+22

26 September, Friday. day, 23°; night, 17°; clear

27 September, sat

	732 mmHg		74%
	4.8 m/s		+22

27 September, Saturday. day, 22°; night, 17°; partly cloudy

28 September, sun

	732 mmHg		75%
	4.5 m/s		+22

28 September, Sunday. day, 22°; night, 17°; rain

29 September, mon

	732 mmHg		75%
	4.4 m/s		+22

29 September, Monday. day, 22°; night, 17°; rain

30 September, tue

	732 mmHg		75%
	4.5 m/s		+22

30 September, Tuesday. day, 21°; night, 16°; rain

1 October, wed

	732 mmHg		74%
	4.4 m/s		+21

1 October, Wednesday. day, 21°; night, 16°; clear

2 October, thu

	733 mmHg		75%
	4.19 m/s		+21

2 October, Thursday. day, 21°; night, 16°; clear

3 October, fri

	733 mmHg		74%
	3.9 m/s		+21

3 October, Friday. day, 21°; night, 16°; clear

4 October, sat

	733 mmHg		74%
	4.1 m/s		+21

4 October, Saturday. day, 21°; night, 15°; clear

Average data for 10 years

Gemlik September

19

sunny days

8

days with precipitation

1

cloudy day

19 sunny days; 8 days with precipitation; 1 cloudy day;

72

%

air humidity

3.3

m/s

WindSE

60

mm of precipitation

(8% of annual average)

+23

°C

Water temperature

air humidity 72%; 60 millimeters of precipitation (8% of annual average); Wind south-easterly 3.3 Meters per second; Water temperature +23°

Weather graphs for September

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

E

E

E

E

E

SE

SE

E

E

E

E

E

SE

E

E

E

SE

SE

E

E

E

E

SE

SE

SE

SE

SE

SE

SE

SE

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Istanbul
Antalya
Ankara
Fethiye
Bodrum
Marmaris
Kemer
Izmir
Varna

Cities with similar weather in September

Gagra
Suhum
Pitsunda
New York
Rimini
Varna
Tivat
The Golden Sands
Chicago

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

In September, the weather in Gemlik is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Gemlik has 19 sunny, 8 rainy, and 3 partly cloudy days in September. The rains are usually heavy.

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