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September weather forecast in Karlstad

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

	752 mmHg		80%
	3.9 m/s		+17

31 August, Sunday. day, 17°; night, 9°; partly cloudy

1 September, mon

	753 mmHg		79%
	3.7 m/s		+17

1 September, Monday. day, 18°; night, 9°; clear

2 September, tue

	753 mmHg		80%
	4.4 m/s		+17

2 September, Tuesday. day, 18°; night, 9°; rain

3 September, wed

	753 mmHg		79%
	4.19 m/s		+17

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

4 September, thu

	753 mmHg		79%
	4.5 m/s		+16

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

5 September, fri

	753 mmHg		79%
	4.3 m/s		+17

5 September, Friday. day, 18°; night, 9°; clear

6 September, sat

	753 mmHg		80%
	4.3 m/s		+16

6 September, Saturday. day, 17°; night, 9°; overcast

7 September, sun

	751 mmHg		81%
	4.6 m/s		+17

7 September, Sunday. day, 17°; night, 10°; clear

8 September, mon

	751 mmHg		79%
	4.8 m/s		+16

8 September, Monday. day, 17°; night, 10°; overcast

9 September, tue

	751 mmHg		80%
	4.5 m/s		+16

9 September, Tuesday. day, 17°; night, 10°; partly cloudy

10 September, wed

	751 mmHg		79%
	4.5 m/s		+16

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

11 September, thu

	751 mmHg		83%
	4.4 m/s		+16

11 September, Thursday. day, 16°; night, 9°; rain

12 September, fri

	750 mmHg		82%
	4.69 m/s		+16

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

13 September, sat

	750 mmHg		80%
	4.9 m/s		+16

13 September, Saturday. day, 16°; night, 9°; partly cloudy

14 September, sun

	750 mmHg		80%
	5.1 m/s		+16

14 September, Sunday. day, 16°; night, 9°; rain

15 September, mon

	750 mmHg		79%
	4.6 m/s		+16

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

16 September, tue

	750 mmHg		79%
	4.5 m/s		+15

16 September, Tuesday. day, 15°; night, 7°; rain

17 September, wed

	751 mmHg		80%
	4.6 m/s		+15

17 September, Wednesday. day, 14°; night, 7°; partly cloudy

18 September, thu

	752 mmHg		81%
	4.3 m/s		+15

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

19 September, fri

	752 mmHg		81%
	4.19 m/s		+15

19 September, Friday. day, 15°; night, 7°; rain

20 September, sat

	753 mmHg		82%
	4.19 m/s		+14

20 September, Saturday. day, 14°; night, 7°; overcast

21 September, sun

	752 mmHg		84%
	4.5 m/s		+14

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

22 September, mon

	751 mmHg		83%
	4.69 m/s		+14

22 September, Monday. day, 14°; night, 8°; overcast

23 September, tue

	751 mmHg		81%
	4.3 m/s		+14

23 September, Tuesday. day, 14°; night, 8°; partly cloudy

24 September, wed

	751 mmHg		82%
	4.4 m/s		+14

24 September, Wednesday. day, 14°; night, 7°; partly cloudy

25 September, thu

	752 mmHg		82%
	4.69 m/s		+14

25 September, Thursday. day, 14°; night, 7°; overcast

26 September, fri

	752 mmHg		82%
	4.8 m/s		+14

26 September, Friday. day, 14°; night, 8°; rain

27 September, sat

	751 mmHg		83%
	5.2 m/s		+14

27 September, Saturday. day, 13°; night, 7°; rain

28 September, sun

	750 mmHg		82%
	4.8 m/s		+14

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

29 September, mon

	751 mmHg		83%
	4.5 m/s		+14

29 September, Monday. day, 13°; night, 6°; rain

30 September, tue

	751 mmHg		82%
	4.5 m/s		+13

30 September, Tuesday. day, 13°; night, 6°; clear

1 October, wed

	749 mmHg		84%
	4.6 m/s		+13

1 October, Wednesday. day, 12°; night, 6°; partly cloudy

2 October, thu

	748 mmHg		86%
	4.4 m/s		+13

2 October, Thursday. day, 12°; night, 6°; rain

3 October, fri

	749 mmHg		85%
	4.69 m/s		+13

3 October, Friday. day, 12°; night, 6°; partly cloudy

4 October, sat

	748 mmHg		85%
	4.9 m/s		+13

4 October, Saturday. day, 12°; night, 6°; rain

Average data for 10 years

Karlstad September

6

sunny days

11

days with precipitation

9

cloudy days

6 sunny days; 11 days with precipitation; 9 cloudy days;

81

%

air humidity

3.3

m/s

WindS

70

mm of precipitation

(9% of annual average)

+15

°C

Water temperature

air humidity 81%; 70 millimeters of precipitation (9% of annual average); Wind southerly 3.3 Meters per second; Water temperature +15°

Weather graphs for September

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

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S

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S

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1

Average data for 10 years

2

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10

11

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30

Daytime temperature

Night-time temperature

Cities near you

Oslo
Copenhagen
Malmo
Gothenburg
Ystad
Gjovik
Lund
Avesta
Östersund

Cities with similar weather in September

Helsinki
Riga
Tallinn
Yurmala
Palanga
Dublin
Buenos Aires
Copenhagen
Melbourne

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

In September, the weather in Karlstad is typically warm. Average daily high temperature in September is about 15 degrees above zero. On average, Karlstad has 11 rainy, 7 partly cloudy, 6 sunny, and 6 cloudy days in September. The rains are usually moderate.

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