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September weather forecast in Oslo

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

27

+15

+12

27 August, sun

+15

+12

Feels like

+13

	755 mmHg		74%
	4.5 m/s

27 August, Sunday. day, 15°; night, 12°; rain

28

+14

+11

28 August, mon

+14

+11

Feels like

+12

	754 mmHg		80%
	5.1 m/s

28 August, Monday. day, 14°; night, 11°; rain

29

+15

+11

29 August, tue

+15

+11

Feels like

+13

	756 mmHg		70%
	4 m/s

29 August, Tuesday. day, 15°; night, 11°; clear

30

+15

+11

30 August, wed

+15

+11

Feels like

+13

	757 mmHg		75%
	3.9 m/s

30 August, Wednesday. day, 15°; night, 11°; clear

31

+15

+12

31 August, thu

+15

+12

Feels like

+13

	758 mmHg		75%
	4 m/s

31 August, Thursday. day, 15°; night, 12°; partly cloudy

1

+15

+11

1 September, fri

+15

+11

Feels like

+13

	757 mmHg		74%
	4.9 m/s

1 September, Friday. day, 15°; night, 11°; rain

2

+16

+11

2 September, sat

+16

+11

Feels like

+14

	758 mmHg		75%
	4.3 m/s

2 September, Saturday. day, 16°; night, 11°; partly cloudy

3

+15

+11

3 September, sun

+15

+11

Feels like

+14

	755 mmHg		77%
	4.3 m/s

3 September, Sunday. day, 15°; night, 11°; partly cloudy

4

+15

+11

4 September, mon

+15

+11

Feels like

+13

	755 mmHg		80%
	4.4 m/s

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

5

+15

+11

5 September, tue

+15

+11

Feels like

+12

	757 mmHg		73%
	5.5 m/s

5 September, Tuesday. day, 15°; night, 11°; clear

6

+15

+11

6 September, wed

+15

+11

Feels like

+12

	757 mmHg		76%
	5.1 m/s

6 September, Wednesday. day, 15°; night, 11°; clear

7

+15

+11

7 September, thu

+15

+11

Feels like

+13

	757 mmHg		73%
	4.8 m/s

7 September, Thursday. day, 15°; night, 11°; partly cloudy

8

+15

+12

8 September, fri

+15

+12

Feels like

+13

	757 mmHg		75%
	4.1 m/s

8 September, Friday. day, 15°; night, 12°; overcast

9

+15

+12

9 September, sat

+15

+12

Feels like

+13

	760 mmHg		75%
	4.1 m/s

9 September, Saturday. day, 15°; night, 12°; clear

10

+15

+12

10 September, sun

+15

+12

Feels like

+13

	758 mmHg		86%
	4.8 m/s

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

11

+14

+12

11 September, mon

+14

+12

Feels like

+12

	756 mmHg		82%
	5.4 m/s

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

12

+14

+11

12 September, tue

+14

+11

Feels like

+11

	757 mmHg		75%
	4.9 m/s

12 September, Tuesday. day, 14°; night, 11°; partly cloudy

13

+14

+10

13 September, wed

+14

+10

Feels like

+12

	757 mmHg		75%
	4 m/s

13 September, Wednesday. day, 14°; night, 10°; partly cloudy

14

+14

+11

14 September, thu

+14

+11

Feels like

+11

	755 mmHg		77%
	4.5 m/s

14 September, Thursday. day, 14°; night, 11°; partly cloudy

15

+13

+9

15 September, fri

+13

+9

Feels like

+11

	755 mmHg		75%
	4 m/s

15 September, Friday. day, 13°; night, 9°; clear

16

+12

+10

16 September, sat

+12

+10

Feels like

+10

	755 mmHg		75%
	4 m/s

16 September, Saturday. day, 12°; night, 10°; clear

17

+13

+10

17 September, sun

+13

+10

Feels like

+11

	755 mmHg		75%
	3.7 m/s

17 September, Sunday. day, 13°; night, 10°; rain

18

+13

+9

18 September, mon

+13

+9

Feels like

+11

	756 mmHg		80%
	3.7 m/s

18 September, Monday. day, 13°; night, 9°; rain

19

+12

+9

19 September, tue

+12

+9

Feels like

+10

	757 mmHg		82%
	3.7 m/s

19 September, Tuesday. day, 12°; night, 9°; rain

20

+13

+8

20 September, wed

+13

+8

Feels like

+10

	759 mmHg		74%
	3.9 m/s

20 September, Wednesday. day, 13°; night, 8°; clear

21

+12

+9

21 September, thu

+12

+9

Feels like

+10

	758 mmHg		77%
	4.6 m/s

21 September, Thursday. day, 12°; night, 9°; clear

22

+12

+9

22 September, fri

+12

+9

Feels like

+9

	758 mmHg		76%
	4 m/s

22 September, Friday. day, 12°; night, 9°; clear

23

+11

+8

23 September, sat

+11

+8

Feels like

+9

	758 mmHg		81%
	3.7 m/s

23 September, Saturday. day, 11°; night, 8°; rain

24

+12

+8

24 September, sun

+12

+8

Feels like

+9

	760 mmHg		76%
	4.4 m/s

24 September, Sunday. day, 12°; night, 8°; rain

25

+12

+9

25 September, mon

+12

+9

Feels like

+9

	761 mmHg		76%
	5 m/s

25 September, Monday. day, 12°; night, 9°; partly cloudy

26

+13

+8

26 September, tue

+13

+8

Feels like

+10

	763 mmHg		70%
	4.8 m/s

26 September, Tuesday. day, 13°; night, 8°; partly cloudy

27

+12

+9

27 September, wed

+12

+9

Feels like

+9

	762 mmHg		75%
	5.1 m/s

27 September, Wednesday. day, 12°; night, 9°; rain

28

+12

+8

28 September, thu

+12

+8

Feels like

+9

	761 mmHg		68%
	4.5 m/s

28 September, Thursday. day, 12°; night, 8°; clear

29

+12

+9

29 September, fri

+12

+9

Feels like

+10

	759 mmHg		69%
	4.3 m/s

29 September, Friday. day, 12°; night, 9°; partly cloudy

30

+10

+8

30 September, sat

+10

+8

Feels like

+7

	758 mmHg		79%
	4.5 m/s

30 September, Saturday. day, 10°; night, 8°; rain

Average data for 10 years

Oslo September

9

sunny days

11

days with precipitation

10

cloudy days

9 sunny days; 11 days with precipitation; 10 cloudy days;

76

%

air humidity

3

m/s

WindS

69

mm of precipitation

(8% of annual average)

air humidity 76%; 69 millimeters of precipitation (8% of annual average); Wind southerly 3 Meters per second

Weather graphs for September

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

S

SW

S

S

SE

N

E

S

S

S

SE

S

SW

SE

S

S

SW

W

SW

W

N

SW

SW

W

SW

SW

SW

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

Gothenburg, Sweden
Lillehammer, Norway
Trondheim, Norway
Aarhus, Denmark
Skovde, Sweden
Viborg, Denmark
Karlstad, Sweden
Arendal, Norway
Arvika, Sweden

Cities with similar weather in September

Helsinki, Finland
Riga, Latvia
Tallinn, Estonia
Stockholm, Sweden
Yurmala, Latvia
Palanga, Lithuania
Dublin, Ireland
Buenos Aires, Argentina
Copenhagen, Denmark

The weather forecast for September 2023 is based on historical data from the past 10 years.

In September, the weather in Oslo is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Oslo has 11 rainy, 9 sunny, 9 partly cloudy, and 1 cloudy day in September. The rains are usually moderate.

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