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September weather forecast in Kirkwall

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		84%
	9.6 m/s		+13

31 August, Sunday. day, 13°; night, 12°; rain

1 September, mon

	759 mmHg		86%
	9.39 m/s		+13

1 September, Monday. day, 13°; night, 12°; rain

2 September, tue

	758 mmHg		86%
	10 m/s		+13

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

3 September, wed

	758 mmHg		84%
	9.8 m/s		+13

3 September, Wednesday. day, 13°; night, 12°; partly cloudy

4 September, thu

	758 mmHg		85%
	9.89 m/s		+13

4 September, Thursday. day, 13°; night, 12°; clear

5 September, fri

	759 mmHg		85%
	9.8 m/s		+13

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

6 September, sat

	757 mmHg		86%
	10.1 m/s		+13

6 September, Saturday. day, 13°; night, 12°; partly cloudy

7 September, sun

	757 mmHg		86%
	10.9 m/s		+13

7 September, Sunday. day, 13°; night, 12°; rain

8 September, mon

	756 mmHg		86%
	11 m/s		+13

8 September, Monday. day, 13°; night, 12°; clear

9 September, tue

	757 mmHg		84%
	10.5 m/s		+13

9 September, Tuesday. day, 13°; night, 12°; partly cloudy

10 September, wed

	756 mmHg		85%
	10.2 m/s		+13

10 September, Wednesday. day, 13°; night, 12°; overcast

11 September, thu

	754 mmHg		86%
	11 m/s		+13

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

12 September, fri

	756 mmHg		81%
	11.3 m/s		+13

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

13 September, sat

	756 mmHg		83%
	10.7 m/s		+13

13 September, Saturday. day, 12°; night, 11°; overcast

14 September, sun

	756 mmHg		85%
	11.2 m/s		+13

14 September, Sunday. day, 12°; night, 11°; rain

15 September, mon

	757 mmHg		83%
	11.2 m/s		+13

15 September, Monday. day, 12°; night, 11°; rain

16 September, tue

	757 mmHg		82%
	11.3 m/s		+13

16 September, Tuesday. day, 12°; night, 11°; rain

17 September, wed

	758 mmHg		82%
	11 m/s		+13

17 September, Wednesday. day, 12°; night, 11°; overcast

18 September, thu

	757 mmHg		83%
	9.5 m/s		+13

18 September, Thursday. day, 12°; night, 11°; partly cloudy

19 September, fri

	758 mmHg		82%
	9.6 m/s		+13

19 September, Friday. day, 12°; night, 11°; clear

20 September, sat

	757 mmHg		83%
	10.1 m/s		+13

20 September, Saturday. day, 12°; night, 11°; rain

21 September, sun

	757 mmHg		83%
	10.7 m/s		+13

21 September, Sunday. day, 13°; night, 11°; rain

22 September, mon

	757 mmHg		82%
	10.9 m/s		+13

22 September, Monday. day, 12°; night, 11°; rain

23 September, tue

	757 mmHg		82%
	11.4 m/s		+13

23 September, Tuesday. day, 12°; night, 11°; rain

24 September, wed

	757 mmHg		81%
	11.3 m/s		+13

24 September, Wednesday. day, 12°; night, 11°; overcast

25 September, thu

	756 mmHg		83%
	11.5 m/s		+13

25 September, Thursday. day, 12°; night, 11°; rain

26 September, fri

	757 mmHg		81%
	11.8 m/s		+13

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

27 September, sat

	756 mmHg		81%
	11 m/s		+13

27 September, Saturday. day, 12°; night, 10°; overcast

28 September, sun

	755 mmHg		81%
	11 m/s		+13

28 September, Sunday. day, 12°; night, 11°; rain

29 September, mon

	755 mmHg		82%
	10.7 m/s		+13

29 September, Monday. day, 12°; night, 11°; partly cloudy

30 September, tue

	754 mmHg		82%
	11.7 m/s		+13

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

1 October, wed

	752 mmHg		81%
	11.9 m/s		+13

1 October, Wednesday. day, 12°; night, 10°; rain

2 October, thu

	753 mmHg		79%
	12.8 m/s		+13

2 October, Thursday. day, 12°; night, 10°; clear

3 October, fri

	752 mmHg		81%
	13.2 m/s		+12

3 October, Friday. day, 12°; night, 10°; rain

4 October, sat

	752 mmHg		80%
	12.9 m/s		+12

4 October, Saturday. day, 11°; night, 10°; rain

Average data for 10 years

Kirkwall September

3

sunny days

17

days with precipitation

13

cloudy days

3 sunny days; 17 days with precipitation; 13 cloudy days;

83

%

air humidity

8.1

m/s

WindSW

100

mm of precipitation

(9% of annual average)

+13

°C

Water temperature

air humidity 83%; 100 millimeters of precipitation (9% of annual average); Wind south-westerly 8.1 Meters per second; Water temperature +13°

Weather graphs for September

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

SW

SW

SW

S

S

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

S

S

S

S

S

S

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

Edinburgh
Glasgow
Aberdeen
Oban
Fort William
Largs
Perth
Lerwick
Inverness

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 Kirkwall is typically warm. Average daily high temperature in September is about 12 degrees above zero. On average, Kirkwall has 17 rainy, 5 cloudy, 5 partly cloudy, and 3 sunny days in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Kirkwall.

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