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September weather forecast in Port-Stenli

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		79%
	9.3 m/s		+6

31 August, Sunday. day, 5°; night, 2°; clear

1 September, mon

	752 mmHg		80%
	9.6 m/s		+6

1 September, Monday. day, 5°; night, 2°; clear

2 September, tue

	753 mmHg		81%
	9.2 m/s		+6

2 September, Tuesday. day, 6°; night, 2°; clear

3 September, wed

	753 mmHg		81%
	8.7 m/s		+7

3 September, Wednesday. day, 5°; night, 2°; rain

4 September, thu

	752 mmHg		80%
	9.39 m/s		+7

4 September, Thursday. day, 5°; night, 2°; partly cloudy

5 September, fri

	752 mmHg		78%
	9.8 m/s		+6

5 September, Friday. day, 6°; night, 2°; partly cloudy

6 September, sat

	752 mmHg		81%
	8.6 m/s		+7

6 September, Saturday. day, 5°; night, 2°; overcast

7 September, sun

	751 mmHg		82%
	9.39 m/s		+7

7 September, Sunday. day, 5°; night, 2°; overcast

8 September, mon

	750 mmHg		82%
	9 m/s		+7

8 September, Monday. day, 6°; night, 3°; rain

9 September, tue

	750 mmHg		79%
	8.8 m/s		+6

9 September, Tuesday. day, 5°; night, 2°; rain

10 September, wed

	750 mmHg		80%
	9.7 m/s		+6

10 September, Wednesday. day, 5°; night, 2°; overcast

11 September, thu

	750 mmHg		80%
	10.1 m/s		+7

11 September, Thursday. day, 5°; night, 2°; rain

12 September, fri

	749 mmHg		78%
	10 m/s		+8

12 September, Friday. day, 5°; night, 2°; rain

13 September, sat

	751 mmHg		79%
	9.6 m/s		+7

13 September, Saturday. day, 6°; night, 2°; rain

14 September, sun

	750 mmHg		80%
	9.7 m/s		+8

14 September, Sunday. day, 6°; night, 3°; rain

15 September, mon

	749 mmHg		77%
	10 m/s		+8

15 September, Monday. day, 6°; night, 3°; partly cloudy

16 September, tue

	750 mmHg		77%
	9.7 m/s		+8

16 September, Tuesday. day, 6°; night, 3°; overcast

17 September, wed

	750 mmHg		77%
	10.2 m/s		+9

17 September, Wednesday. day, 6°; night, 2°; rain

18 September, thu

	751 mmHg		78%
	8.8 m/s		+7

18 September, Thursday. day, 6°; night, 3°; overcast

19 September, fri

	752 mmHg		79%
	8.89 m/s		+6

19 September, Friday. day, 5°; night, 2°; partly cloudy

20 September, sat

	751 mmHg		80%
	9.6 m/s		+6

20 September, Saturday. day, 6°; night, 2°; rain

21 September, sun

	752 mmHg		77%
	8.89 m/s		+7

21 September, Sunday. day, 6°; night, 2°; partly cloudy

22 September, mon

	752 mmHg		80%
	9 m/s		+8

22 September, Monday. day, 7°; night, 2°; partly cloudy

23 September, tue

	753 mmHg		79%
	8.6 m/s		+8

23 September, Tuesday. day, 7°; night, 2°; clear

24 September, wed

	753 mmHg		79%
	9.2 m/s		+8

24 September, Wednesday. day, 7°; night, 3°; clear

25 September, thu

	752 mmHg		79%
	9.7 m/s		+8

25 September, Thursday. day, 7°; night, 3°; rain

26 September, fri

	753 mmHg		77%
	9.5 m/s		+8

26 September, Friday. day, 7°; night, 3°; clear

27 September, sat

	752 mmHg		78%
	9.7 m/s		+8

27 September, Saturday. day, 7°; night, 3°; partly cloudy

28 September, sun

	754 mmHg		78%
	9.1 m/s		+9

28 September, Sunday. day, 7°; night, 3°; overcast

29 September, mon

	753 mmHg		79%
	8.39 m/s		+8

29 September, Monday. day, 7°; night, 3°; partly cloudy

30 September, tue

	752 mmHg		80%
	8.7 m/s		+8

30 September, Tuesday. day, 7°; night, 3°; partly cloudy

1 October, wed

	753 mmHg		77%
	9.39 m/s		+9

1 October, Wednesday. day, 7°; night, 3°; overcast

2 October, thu

	755 mmHg		78%
	8.39 m/s		+9

2 October, Thursday. day, 7°; night, 3°; overcast

3 October, fri

	753 mmHg		81%
	9.5 m/s		+9

3 October, Friday. day, 7°; night, 3°; partly cloudy

4 October, sat

	752 mmHg		81%
	9.39 m/s		+8

4 October, Saturday. day, 7°; night, 3°; overcast

Average data for 10 years

Port-Stenli September

5

sunny days

10

days with precipitation

9

cloudy days

5 sunny days; 10 days with precipitation; 9 cloudy days;

79

%

air humidity

6.8

m/s

WindW

39

mm of precipitation

(8% of annual average)

+7

°C

Water temperature

air humidity 79%; 39 millimeters of precipitation (8% of annual average); Wind westerly 6.8 Meters per second; Water temperature +7°

Weather graphs for September

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

W

W

W

SW

W

SW

SW

SW

SW

SW

SW

SW

SW

W

W

W

W

SW

SW

SW

SW

SW

W

SW

W

W

W

W

W

SW

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

Ushuaia
Bellingshausen Station
Mar del Plata
Punta-Arenas
Comodoro Rivadavia
Calafate
Bahia Blanca
Puerto Madryn
Puerto Natales

Cities with similar weather in September

Cholpon-Ata
Reykyavik
Wellington
Nuuk
Ushuaia
Christchurch
Hobart
Punta-Arenas
San-Carlos-de-Bariloche

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

In September, the weather in Port-Stenli is typically cold. Average daily high temperature in September is about 6 degrees above zero. On average, Port-Stenli has 9 rainy, 9 partly cloudy, 7 cloudy, and 5 sunny days in September. The rains are usually light. September as well as January, February, March, and April is considered the most uncomfortable time to visit Port-Stenli.

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