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September weather forecast in Ålesund

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

	760 mmHg		81%
	6.5 m/s		+14

31 August, Sunday. day, 13°; night, 11°; clear

1 September, mon

	759 mmHg		81%
	7.5 m/s		+14

1 September, Monday. day, 13°; night, 11°; partly cloudy

2 September, tue

	759 mmHg		81%
	7.8 m/s		+15

2 September, Tuesday. day, 13°; night, 12°; rain

3 September, wed

	759 mmHg		81%
	8.1 m/s		+14

3 September, Wednesday. day, 14°; night, 11°; overcast

4 September, thu

	759 mmHg		81%
	8.1 m/s		+14

4 September, Thursday. day, 13°; night, 11°; rain

5 September, fri

	759 mmHg		81%
	7.5 m/s		+14

5 September, Friday. day, 13°; night, 11°; clear

6 September, sat

	758 mmHg		81%
	7 m/s		+14

6 September, Saturday. day, 13°; night, 11°; partly cloudy

7 September, sun

	757 mmHg		84%
	8.1 m/s		+14

7 September, Sunday. day, 14°; night, 11°; rain

8 September, mon

	757 mmHg		83%
	7.9 m/s		+14

8 September, Monday. day, 14°; night, 11°; clear

9 September, tue

	757 mmHg		83%
	7.9 m/s		+14

9 September, Tuesday. day, 14°; night, 11°; rain

10 September, wed

	758 mmHg		82%
	7.1 m/s		+14

10 September, Wednesday. day, 13°; night, 11°; rain

11 September, thu

	755 mmHg		83%
	7.7 m/s		+14

11 September, Thursday. day, 13°; night, 11°; rain

12 September, fri

	755 mmHg		83%
	8.39 m/s		+14

12 September, Friday. day, 13°; night, 11°; rain

13 September, sat

	756 mmHg		80%
	8 m/s		+14

13 September, Saturday. day, 13°; night, 10°; rain

14 September, sun

	755 mmHg		82%
	7.5 m/s		+13

14 September, Sunday. day, 12°; night, 10°; rain

15 September, mon

	756 mmHg		82%
	8.3 m/s		+13

15 September, Monday. day, 12°; night, 10°; rain

16 September, tue

	756 mmHg		81%
	8.1 m/s		+13

16 September, Tuesday. day, 12°; night, 10°; rain

17 September, wed

	757 mmHg		82%
	7.8 m/s		+13

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

18 September, thu

	758 mmHg		82%
	7.3 m/s		+13

18 September, Thursday. day, 12°; night, 10°; rain

19 September, fri

	758 mmHg		81%
	7.7 m/s		+13

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

20 September, sat

	758 mmHg		80%
	8.3 m/s		+12

20 September, Saturday. day, 12°; night, 10°; partly cloudy

21 September, sun

	757 mmHg		80%
	8.89 m/s		+13

21 September, Sunday. day, 12°; night, 10°; rain

22 September, mon

	756 mmHg		82%
	8.39 m/s		+12

22 September, Monday. day, 12°; night, 10°; rain

23 September, tue

	757 mmHg		82%
	8.39 m/s		+12

23 September, Tuesday. day, 12°; night, 10°; rain

24 September, wed

	757 mmHg		82%
	8.3 m/s		+13

24 September, Wednesday. day, 11°; night, 9°; partly cloudy

25 September, thu

	757 mmHg		79%
	8.89 m/s		+13

25 September, Thursday. day, 12°; night, 10°; partly cloudy

26 September, fri

	757 mmHg		78%
	8.89 m/s		+12

26 September, Friday. day, 12°; night, 10°; clear

27 September, sat

	756 mmHg		79%
	8.39 m/s		+12

27 September, Saturday. day, 11°; night, 9°; rain

28 September, sun

	756 mmHg		79%
	8 m/s		+12

28 September, Sunday. day, 11°; night, 9°; rain

29 September, mon

	756 mmHg		79%
	7.7 m/s		+12

29 September, Monday. day, 11°; night, 9°; rain

30 September, tue

	755 mmHg		80%
	7 m/s		+12

30 September, Tuesday. day, 11°; night, 9°; rain

1 October, wed

	754 mmHg		80%
	7.2 m/s		+12

1 October, Wednesday. day, 11°; night, 9°; rain

2 October, thu

	754 mmHg		79%
	7.4 m/s		+12

2 October, Thursday. day, 11°; night, 9°; rain

3 October, fri

	752 mmHg		79%
	8.39 m/s		+11

3 October, Friday. day, 11°; night, 9°; rain

4 October, sat

	752 mmHg		80%
	9 m/s		+11

4 October, Saturday. day, 11°; night, 9°; rain

Average data for 10 years

Ålesund September

3

sunny days

19

days with precipitation

13

cloudy days

3 sunny days; 19 days with precipitation; 13 cloudy days;

81

%

air humidity

5.7

m/s

WindS

223

mm of precipitation

(12% of annual average)

+13

°C

Water temperature

air humidity 81%; 223 millimeters of precipitation (12% of annual average); Wind southerly 5.7 Meters per second; Water temperature +13°

Weather graphs for September

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

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SE

S

S

S

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

Bergen
Stavanger
Geiranger
Geilo
Molde
Haugesund
Rjukan
Floro
Fagernes

Cities with similar weather in September

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Oslo
Yurmala
Palanga
Dublin

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

In September, the weather in Ålesund is typically warm. Average daily high temperature in September is about 12 degrees above zero. On average, Ålesund has 19 rainy, 7 partly cloudy, 3 sunny, and 1 cloudy day in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Ålesund.

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