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September weather forecast in Okushiri

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

	757 mmHg		80%
	8.2 m/s		+24

31 August, Sunday. day, 22°; night, 21°; rain

1 September, mon

	758 mmHg		80%
	8.3 m/s		+24

1 September, Monday. day, 22°; night, 21°; partly cloudy

2 September, tue

	758 mmHg		78%
	9.5 m/s		+24

2 September, Tuesday. day, 22°; night, 21°; partly cloudy

3 September, wed

	759 mmHg		75%
	9.3 m/s		+23

3 September, Wednesday. day, 22°; night, 21°; clear

4 September, thu

	759 mmHg		76%
	8.5 m/s		+23

4 September, Thursday. day, 22°; night, 21°; partly cloudy

5 September, fri

	759 mmHg		77%
	8.5 m/s		+23

5 September, Friday. day, 22°; night, 21°; rain

6 September, sat

	758 mmHg		77%
	8.6 m/s		+23

6 September, Saturday. day, 22°; night, 21°; rain

7 September, sun

	758 mmHg		76%
	9.39 m/s		+23

7 September, Sunday. day, 22°; night, 21°; clear

8 September, mon

	759 mmHg		75%
	8.89 m/s		+23

8 September, Monday. day, 22°; night, 21°; clear

9 September, tue

	759 mmHg		77%
	8.2 m/s		+23

9 September, Tuesday. day, 22°; night, 20°; rain

10 September, wed

	760 mmHg		74%
	8.3 m/s		+23

10 September, Wednesday. day, 21°; night, 20°; rain

11 September, thu

	760 mmHg		76%
	8.5 m/s		+23

11 September, Thursday. day, 21°; night, 20°; rain

12 September, fri

	760 mmHg		75%
	8.8 m/s		+23

12 September, Friday. day, 21°; night, 20°; overcast

13 September, sat

	761 mmHg		72%
	9.39 m/s		+23

13 September, Saturday. day, 21°; night, 20°; partly cloudy

14 September, sun

	761 mmHg		72%
	8.5 m/s		+23

14 September, Sunday. day, 21°; night, 20°; partly cloudy

15 September, mon

	761 mmHg		72%
	7.7 m/s		+23

15 September, Monday. day, 21°; night, 20°; clear

16 September, tue

	760 mmHg		73%
	8.8 m/s		+23

16 September, Tuesday. day, 21°; night, 20°; overcast

17 September, wed

	759 mmHg		75%
	9.5 m/s		+23

17 September, Wednesday. day, 21°; night, 20°; rain

18 September, thu

	759 mmHg		73%
	10.3 m/s		+23

18 September, Thursday. day, 21°; night, 19°; rain

19 September, fri

	759 mmHg		69%
	10.3 m/s		+23

19 September, Friday. day, 20°; night, 19°; clear

20 September, sat

	761 mmHg		65%
	8.7 m/s		+22

20 September, Saturday. day, 20°; night, 18°; partly cloudy

21 September, sun

	761 mmHg		65%
	8.1 m/s		+22

21 September, Sunday. day, 20°; night, 18°; partly cloudy

22 September, mon

	762 mmHg		69%
	9.2 m/s		+22

22 September, Monday. day, 19°; night, 18°; rain

23 September, tue

	762 mmHg		70%
	9.1 m/s		+22

23 September, Tuesday. day, 19°; night, 18°; rain

24 September, wed

	762 mmHg		72%
	9.8 m/s		+22

24 September, Wednesday. day, 19°; night, 18°; rain

25 September, thu

	762 mmHg		70%
	9.5 m/s		+22

25 September, Thursday. day, 19°; night, 18°; clear

26 September, fri

	763 mmHg		68%
	8.2 m/s		+22

26 September, Friday. day, 19°; night, 18°; clear

27 September, sat

	762 mmHg		72%
	10.1 m/s		+22

27 September, Saturday. day, 19°; night, 18°; rain

28 September, sun

	762 mmHg		70%
	9.7 m/s		+22

28 September, Sunday. day, 19°; night, 18°; clear

29 September, mon

	762 mmHg		70%
	9.3 m/s		+21

29 September, Monday. day, 19°; night, 18°; rain

30 September, tue

	761 mmHg		71%
	9.3 m/s		+21

30 September, Tuesday. day, 19°; night, 18°; clear

1 October, wed

	759 mmHg		74%
	10.1 m/s		+21

1 October, Wednesday. day, 19°; night, 17°; rain

2 October, thu

	759 mmHg		71%
	10.5 m/s		+21

2 October, Thursday. day, 18°; night, 16°; rain

3 October, fri

	761 mmHg		69%
	11.1 m/s		+21

3 October, Friday. day, 18°; night, 16°; rain

4 October, sat

	762 mmHg		67%
	10 m/s		+20

4 October, Saturday. day, 17°; night, 16°; rain

Average data for 10 years

Okushiri September

9

sunny days

12

days with precipitation

7

cloudy days

9 sunny days; 12 days with precipitation; 7 cloudy days;

73

%

air humidity

6.5

m/s

WindS

142

mm of precipitation

(11% of annual average)

+23

°C

Water temperature

air humidity 73%; 142 millimeters of precipitation (11% of annual average); Wind southerly 6.5 Meters per second; Water temperature +23°

Weather graphs for September

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

SE

S

S

S

SE

SE

S

S

S

S

S

S

S

S

S

S

S

S

SW

SW

SW

S

S

S

S

S

S

SW

SW

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

Sapporo
Aomori
Akita
Hakodate
Shirahama
Wakkanai
Asahikawa
Yamagata
Obihiro

Cities with similar weather in September

Suhum
Burgas
Varna
Tivat
The Sunny Beach
Podgorica
The Golden Sands
Chicago
Pomorie

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

In September, the weather in Okushiri is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Okushiri has 12 rainy, 9 sunny, 7 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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