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September weather forecast in Vastervik

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

	759 mmHg		82%
	4.5 m/s		+17

31 August, Sunday. day, 18°; night, 11°; rain

1 September, mon

	760 mmHg		82%
	4.5 m/s		+17

1 September, Monday. day, 17°; night, 10°; rain

2 September, tue

	760 mmHg		79%
	4.4 m/s		+16

2 September, Tuesday. day, 18°; night, 10°; partly cloudy

3 September, wed

	760 mmHg		82%
	4.5 m/s		+16

3 September, Wednesday. day, 18°; night, 10°; partly cloudy

4 September, thu

	760 mmHg		80%
	4.3 m/s		+17

4 September, Thursday. day, 18°; night, 10°; clear

5 September, fri

	760 mmHg		80%
	4.6 m/s		+16

5 September, Friday. day, 18°; night, 10°; clear

6 September, sat

	760 mmHg		80%
	4.3 m/s		+16

6 September, Saturday. day, 18°; night, 10°; partly cloudy

7 September, sun

	759 mmHg		81%
	4.69 m/s		+16

7 September, Sunday. day, 18°; night, 11°; clear

8 September, mon

	758 mmHg		81%
	5.1 m/s		+16

8 September, Monday. day, 18°; night, 11°; partly cloudy

9 September, tue

	758 mmHg		81%
	5.2 m/s		+16

9 September, Tuesday. day, 18°; night, 10°; partly cloudy

10 September, wed

	758 mmHg		83%
	4.6 m/s		+16

10 September, Wednesday. day, 17°; night, 10°; partly cloudy

11 September, thu

	759 mmHg		84%
	4.5 m/s		+16

11 September, Thursday. day, 17°; night, 10°; rain

12 September, fri

	758 mmHg		83%
	4.8 m/s		+15

12 September, Friday. day, 17°; night, 10°; partly cloudy

13 September, sat

	758 mmHg		81%
	5 m/s		+15

13 September, Saturday. day, 17°; night, 10°; partly cloudy

14 September, sun

	757 mmHg		82%
	5.4 m/s		+15

14 September, Sunday. day, 16°; night, 10°; rain

15 September, mon

	757 mmHg		81%
	5.3 m/s		+15

15 September, Monday. day, 16°; night, 9°; rain

16 September, tue

	757 mmHg		80%
	5.2 m/s		+15

16 September, Tuesday. day, 15°; night, 8°; overcast

17 September, wed

	758 mmHg		81%
	4.9 m/s		+15

17 September, Wednesday. day, 15°; night, 8°; overcast

18 September, thu

	759 mmHg		82%
	4.6 m/s		+15

18 September, Thursday. day, 15°; night, 8°; rain

19 September, fri

	760 mmHg		82%
	4.6 m/s		+15

19 September, Friday. day, 15°; night, 9°; partly cloudy

20 September, sat

	761 mmHg		82%
	4.69 m/s		+14

20 September, Saturday. day, 15°; night, 8°; partly cloudy

21 September, sun

	760 mmHg		84%
	4.5 m/s		+14

21 September, Sunday. day, 15°; night, 8°; rain

22 September, mon

	759 mmHg		84%
	4.9 m/s		+14

22 September, Monday. day, 15°; night, 8°; rain

23 September, tue

	758 mmHg		82%
	4.69 m/s		+14

23 September, Tuesday. day, 15°; night, 8°; clear

24 September, wed

	759 mmHg		82%
	4.6 m/s		+14

24 September, Wednesday. day, 15°; night, 7°; clear

25 September, thu

	759 mmHg		83%
	4.5 m/s		+14

25 September, Thursday. day, 15°; night, 7°; clear

26 September, fri

	759 mmHg		83%
	4.69 m/s		+14

26 September, Friday. day, 15°; night, 8°; overcast

27 September, sat

	758 mmHg		83%
	5.3 m/s		+14

27 September, Saturday. day, 15°; night, 8°; overcast

28 September, sun

	757 mmHg		84%
	5.5 m/s		+13

28 September, Sunday. day, 14°; night, 8°; rain

29 September, mon

	758 mmHg		84%
	5 m/s		+13

29 September, Monday. day, 14°; night, 7°; rain

30 September, tue

	758 mmHg		83%
	5.1 m/s		+13

30 September, Tuesday. day, 13°; night, 7°; clear

1 October, wed

	757 mmHg		84%
	5.1 m/s		+13

1 October, Wednesday. day, 13°; night, 7°; partly cloudy

2 October, thu

	756 mmHg		86%
	4.8 m/s		+13

2 October, Thursday. day, 13°; night, 7°; overcast

3 October, fri

	757 mmHg		85%
	5.1 m/s		+13

3 October, Friday. day, 13°; night, 7°; partly cloudy

4 October, sat

	756 mmHg		84%
	5.1 m/s		+12

4 October, Saturday. day, 13°; night, 7°; partly cloudy

Average data for 10 years

Vastervik September

7

sunny days

9

days with precipitation

8

cloudy days

7 sunny days; 9 days with precipitation; 8 cloudy days;

82

%

air humidity

3.5

m/s

WindS

51

mm of precipitation

(8% of annual average)

+15

°C

Water temperature

air humidity 82%; 51 millimeters of precipitation (8% of annual average); Wind southerly 3.5 Meters per second; Water temperature +15°

Weather graphs for September

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

S

SW

SW

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

SW

SW

S

S

S

SW

S

S

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

Stockholm
Gdansk
Uppsala
Ystad
Visby
Lund
Gdynia
Avesta
Slupsk

Cities with similar weather in September

Helsinki
Riga
Tallinn
Oslo
Yurmala
Palanga
Dublin
Buenos Aires
Copenhagen

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

In September, the weather in Vastervik is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, Vastervik has 10 partly cloudy, 9 rainy, 7 sunny, and 4 cloudy days in September. The rains are usually moderate.

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