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September weather forecast in Yokohama

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

	756 mmHg		82%
	5.8 m/s		+27

31 August, Sunday. day, 28°; night, 23°; rain

1 September, mon

	757 mmHg		81%
	5 m/s		+27

1 September, Monday. day, 27°; night, 23°; rain

2 September, tue

	758 mmHg		80%
	5.3 m/s		+27

2 September, Tuesday. day, 27°; night, 23°; clear

3 September, wed

	758 mmHg		80%
	4.8 m/s		+26

3 September, Wednesday. day, 27°; night, 23°; rain

4 September, thu

	758 mmHg		81%
	4.69 m/s		+27

4 September, Thursday. day, 27°; night, 23°; rain

5 September, fri

	758 mmHg		80%
	4.5 m/s		+26

5 September, Friday. day, 27°; night, 23°; overcast

6 September, sat

	757 mmHg		82%
	5.3 m/s		+26

6 September, Saturday. day, 27°; night, 23°; rain

7 September, sun

	757 mmHg		81%
	5.7 m/s		+26

7 September, Sunday. day, 27°; night, 23°; rain

8 September, mon

	758 mmHg		82%
	5.4 m/s		+26

8 September, Monday. day, 27°; night, 23°; rain

9 September, tue

	758 mmHg		81%
	4.8 m/s		+26

9 September, Tuesday. day, 27°; night, 23°; clear

10 September, wed

	758 mmHg		80%
	4.69 m/s		+26

10 September, Wednesday. day, 27°; night, 23°; clear

11 September, thu

	759 mmHg		81%
	4.4 m/s		+26

11 September, Thursday. day, 27°; night, 22°; rain

12 September, fri

	759 mmHg		80%
	4.19 m/s		+27

12 September, Friday. day, 27°; night, 22°; clear

13 September, sat

	759 mmHg		79%
	4.69 m/s		+27

13 September, Saturday. day, 27°; night, 22°; partly cloudy

14 September, sun

	759 mmHg		80%
	4.69 m/s		+26

14 September, Sunday. day, 26°; night, 22°; overcast

15 September, mon

	759 mmHg		79%
	5.7 m/s		+26

15 September, Monday. day, 25°; night, 21°; rain

16 September, tue

	759 mmHg		80%
	5.7 m/s		+26

16 September, Tuesday. day, 25°; night, 21°; rain

17 September, wed

	758 mmHg		80%
	5.6 m/s		+26

17 September, Wednesday. day, 26°; night, 22°; rain

18 September, thu

	758 mmHg		79%
	5.4 m/s		+26

18 September, Thursday. day, 26°; night, 21°; clear

19 September, fri

	758 mmHg		77%
	5.4 m/s		+26

19 September, Friday. day, 26°; night, 21°; partly cloudy

20 September, sat

	759 mmHg		78%
	5.2 m/s		+26

20 September, Saturday. day, 25°; night, 20°; partly cloudy

21 September, sun

	759 mmHg		79%
	6.2 m/s		+26

21 September, Sunday. day, 24°; night, 20°; overcast

22 September, mon

	759 mmHg		79%
	6.2 m/s		+25

22 September, Monday. day, 24°; night, 20°; rain

23 September, tue

	760 mmHg		78%
	5.4 m/s		+25

23 September, Tuesday. day, 24°; night, 19°; partly cloudy

24 September, wed

	760 mmHg		78%
	5.8 m/s		+25

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

25 September, thu

	760 mmHg		78%
	5.7 m/s		+25

25 September, Thursday. day, 24°; night, 20°; rain

26 September, fri

	761 mmHg		78%
	4.9 m/s		+24

26 September, Friday. day, 23°; night, 19°; rain

27 September, sat

	761 mmHg		77%
	5 m/s		+24

27 September, Saturday. day, 23°; night, 18°; partly cloudy

28 September, sun

	760 mmHg		74%
	4.8 m/s		+24

28 September, Sunday. day, 24°; night, 19°; clear

29 September, mon

	761 mmHg		76%
	4.69 m/s		+24

29 September, Monday. day, 23°; night, 19°; overcast

30 September, tue

	760 mmHg		77%
	5.8 m/s		+24

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

1 October, wed

	759 mmHg		78%
	5.7 m/s		+24

1 October, Wednesday. day, 23°; night, 19°; rain

2 October, thu

	759 mmHg		76%
	4.9 m/s		+24

2 October, Thursday. day, 24°; night, 19°; clear

3 October, fri

	760 mmHg		76%
	4.5 m/s		+24

3 October, Friday. day, 23°; night, 19°; rain

4 October, sat

	761 mmHg		77%
	4.6 m/s		+24

4 October, Saturday. day, 23°; night, 18°; rain

Average data for 10 years

Yokohama September

6

sunny days

15

days with precipitation

11

cloudy days

6 sunny days; 15 days with precipitation; 11 cloudy days;

79

%

air humidity

3.3

m/s

WindSE

192

mm of precipitation

(12% of annual average)

+26

°C

Water temperature

air humidity 79%; 192 millimeters of precipitation (12% of annual average); Wind south-easterly 3.3 Meters per second; Water temperature +26°

Weather graphs for September

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

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Tokyo
Kyoto
Toyama
Hakone
Sendai
Nagano
Nagoya
Fuji
Niigata

Cities with similar weather in September

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

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

In September, the weather in Yokohama is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, Yokohama has 15 rainy, 6 sunny, 5 partly cloudy, and 4 cloudy days in September. The rains are usually heavy.

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