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September weather forecast. Otaru: Yandex

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

	744 mmHg		83%
	4.3 m/s		+22

31 August, Sunday. day, 22°; night, 18°; clear

1 September, mon

	745 mmHg		82%
	4.4 m/s		+22

1 September, Monday. day, 23°; night, 18°; partly cloudy

2 September, tue

	745 mmHg		80%
	4.8 m/s		+22

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

3 September, wed

	745 mmHg		79%
	5 m/s		+21

3 September, Wednesday. day, 22°; night, 17°; clear

4 September, thu

	746 mmHg		80%
	4.8 m/s		+22

4 September, Thursday. day, 22°; night, 17°; rain

5 September, fri

	745 mmHg		80%
	4.4 m/s		+22

5 September, Friday. day, 22°; night, 18°; rain

6 September, sat

	745 mmHg		81%
	4.4 m/s		+21

6 September, Saturday. day, 22°; night, 18°; rain

7 September, sun

	744 mmHg		80%
	5 m/s		+21

7 September, Sunday. day, 22°; night, 18°; partly cloudy

8 September, mon

	745 mmHg		79%
	5.2 m/s		+21

8 September, Monday. day, 22°; night, 17°; clear

9 September, tue

	746 mmHg		79%
	4.4 m/s		+21

9 September, Tuesday. day, 22°; night, 17°; rain

10 September, wed

	746 mmHg		78%
	4.8 m/s		+22

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

11 September, thu

	746 mmHg		80%
	4.6 m/s		+22

11 September, Thursday. day, 21°; night, 17°; rain

12 September, fri

	747 mmHg		80%
	4.8 m/s		+22

12 September, Friday. day, 20°; night, 16°; rain

13 September, sat

	747 mmHg		77%
	5 m/s		+22

13 September, Saturday. day, 20°; night, 16°; overcast

14 September, sun

	747 mmHg		78%
	4.6 m/s		+21

14 September, Sunday. day, 20°; night, 15°; partly cloudy

15 September, mon

	747 mmHg		78%
	4.1 m/s		+21

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

16 September, tue

	746 mmHg		78%
	4.6 m/s		+21

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

17 September, wed

	746 mmHg		79%
	5.1 m/s		+21

17 September, Wednesday. day, 20°; night, 16°; rain

18 September, thu

	745 mmHg		78%
	5.3 m/s		+21

18 September, Thursday. day, 20°; night, 16°; rain

19 September, fri

	745 mmHg		75%
	6.3 m/s		+20

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

20 September, sat

	746 mmHg		72%
	5.6 m/s		+20

20 September, Saturday. day, 19°; night, 14°; clear

21 September, sun

	747 mmHg		71%
	4.9 m/s		+20

21 September, Sunday. day, 19°; night, 14°; clear

22 September, mon

	748 mmHg		74%
	5 m/s		+20

22 September, Monday. day, 19°; night, 14°; partly cloudy

23 September, tue

	749 mmHg		77%
	4.6 m/s		+20

23 September, Tuesday. day, 18°; night, 14°; clear

24 September, wed

	748 mmHg		76%
	5.3 m/s		+20

24 September, Wednesday. day, 19°; night, 14°; rain

25 September, thu

	748 mmHg		77%
	5.2 m/s		+19

25 September, Thursday. day, 18°; night, 13°; partly cloudy

26 September, fri

	748 mmHg		75%
	4.9 m/s		+20

26 September, Friday. day, 18°; night, 13°; partly cloudy

27 September, sat

	748 mmHg		77%
	5.2 m/s		+19

27 September, Saturday. day, 18°; night, 13°; rain

28 September, sun

	747 mmHg		77%
	5.8 m/s		+19

28 September, Sunday. day, 18°; night, 13°; rain

29 September, mon

	747 mmHg		76%
	5.2 m/s		+19

29 September, Monday. day, 18°; night, 14°; partly cloudy

30 September, tue

	747 mmHg		77%
	5.3 m/s		+19

30 September, Tuesday. day, 18°; night, 13°; clear

1 October, wed

	745 mmHg		77%
	5.8 m/s		+19

1 October, Wednesday. day, 18°; night, 13°; rain

2 October, thu

	745 mmHg		78%
	6.3 m/s		+18

2 October, Thursday. day, 17°; night, 13°; rain

3 October, fri

	746 mmHg		75%
	6.6 m/s		+18

3 October, Friday. day, 16°; night, 12°; rain

4 October, sat

	747 mmHg		74%
	6.3 m/s		+18

4 October, Saturday. day, 16°; night, 12°; rain

Average data for 10 years

Otaru September

7

sunny days

14

days with precipitation

9

cloudy days

7 sunny days; 14 days with precipitation; 9 cloudy days;

78

%

air humidity

3.3

m/s

WindS

132

mm of precipitation

(10% of annual average)

+21

°C

Water temperature

air humidity 78%; 132 millimeters of precipitation (10% of annual average); Wind southerly 3.3 Meters per second; Water temperature +21°

Weather graphs for September

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

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S

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

S

S

SW

SW

SW

S

S

S

S

S

S

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

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29

30

Daytime temperature

Night-time temperature

Cities near you

Sapporo
Korsakov
Aomori
Holmsk
Nevelsk
Asahikawa
Aniva
Akita
Hachinohe

Cities with similar weather in September

Podgorica
Toronto
Vancouver
Boston
Seattle
Balkhash
Montreal
Albena
San Sebastian

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

In September, the weather in Otaru is typically warm. Average daily high temperature in September is about 20 degrees above zero. On average, Otaru has 14 rainy, 7 sunny, 7 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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