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September weather forecast in Kumejima

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

	741 mmHg		82%
	3.2 m/s		+26

31 August, Sunday. day, 27°; night, 21°; rain

1 September, mon

	742 mmHg		80%
	3.1 m/s		+25

1 September, Monday. day, 28°; night, 21°; overcast

2 September, tue

	742 mmHg		80%
	3 m/s		+25

2 September, Tuesday. day, 28°; night, 21°; partly cloudy

3 September, wed

	742 mmHg		79%
	2.9 m/s		+25

3 September, Wednesday. day, 28°; night, 21°; partly cloudy

4 September, thu

	742 mmHg		82%
	3.2 m/s		+25

4 September, Thursday. day, 27°; night, 20°; rain

5 September, fri

	742 mmHg		80%
	2.9 m/s		+25

5 September, Friday. day, 27°; night, 21°; overcast

6 September, sat

	741 mmHg		82%
	3.3 m/s		+25

6 September, Saturday. day, 27°; night, 21°; rain

7 September, sun

	741 mmHg		82%
	3.5 m/s		+24

7 September, Sunday. day, 26°; night, 20°; rain

8 September, mon

	742 mmHg		81%
	3.3 m/s		+25

8 September, Monday. day, 27°; night, 20°; rain

9 September, tue

	742 mmHg		80%
	3.2 m/s		+25

9 September, Tuesday. day, 27°; night, 20°; rain

10 September, wed

	743 mmHg		78%
	2.8 m/s		+25

10 September, Wednesday. day, 28°; night, 20°; partly cloudy

11 September, thu

	743 mmHg		80%
	3 m/s		+24

11 September, Thursday. day, 27°; night, 20°; rain

12 September, fri

	743 mmHg		79%
	2.7 m/s		+25

12 September, Friday. day, 27°; night, 20°; rain

13 September, sat

	743 mmHg		79%
	2.8 m/s		+25

13 September, Saturday. day, 27°; night, 19°; partly cloudy

14 September, sun

	744 mmHg		79%
	2.9 m/s		+24

14 September, Sunday. day, 26°; night, 19°; rain

15 September, mon

	743 mmHg		81%
	3.4 m/s		+24

15 September, Monday. day, 25°; night, 19°; rain

16 September, tue

	743 mmHg		80%
	3.5 m/s		+24

16 September, Tuesday. day, 25°; night, 18°; rain

17 September, wed

	742 mmHg		81%
	3.7 m/s		+24

17 September, Wednesday. day, 26°; night, 19°; rain

18 September, thu

	742 mmHg		80%
	3.3 m/s		+24

18 September, Thursday. day, 26°; night, 19°; rain

19 September, fri

	742 mmHg		76%
	3.3 m/s		+24

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

20 September, sat

	743 mmHg		79%
	3.3 m/s		+24

20 September, Saturday. day, 25°; night, 17°; rain

21 September, sun

	743 mmHg		80%
	3.7 m/s		+24

21 September, Sunday. day, 24°; night, 17°; overcast

22 September, mon

	743 mmHg		80%
	3.8 m/s		+23

22 September, Monday. day, 24°; night, 17°; rain

23 September, tue

	745 mmHg		78%
	3.5 m/s		+23

23 September, Tuesday. day, 23°; night, 16°; partly cloudy

24 September, wed

	744 mmHg		79%
	3.4 m/s		+22

24 September, Wednesday. day, 23°; night, 17°; rain

25 September, thu

	744 mmHg		78%
	3.4 m/s		+23

25 September, Thursday. day, 23°; night, 17°; partly cloudy

26 September, fri

	745 mmHg		78%
	2.9 m/s		+23

26 September, Friday. day, 23°; night, 16°; overcast

27 September, sat

	744 mmHg		79%
	3.2 m/s		+23

27 September, Saturday. day, 22°; night, 15°; clear

28 September, sun

	744 mmHg		74%
	3.2 m/s		+22

28 September, Sunday. day, 23°; night, 16°; clear

29 September, mon

	745 mmHg		75%
	2.9 m/s		+21

29 September, Monday. day, 23°; night, 16°; partly cloudy

30 September, tue

	744 mmHg		79%
	3.4 m/s		+22

30 September, Tuesday. day, 23°; night, 16°; rain

1 October, wed

	743 mmHg		79%
	3.4 m/s		+22

1 October, Wednesday. day, 23°; night, 16°; rain

2 October, thu

	743 mmHg		74%
	3.5 m/s		+22

2 October, Thursday. day, 24°; night, 16°; partly cloudy

3 October, fri

	744 mmHg		75%
	3.4 m/s		+22

3 October, Friday. day, 23°; night, 15°; overcast

4 October, sat

	745 mmHg		77%
	3 m/s		+22

4 October, Saturday. day, 22°; night, 15°; rain

Average data for 10 years

Kumejima September

2

sunny days

16

days with precipitation

13

cloudy days

2 sunny days; 16 days with precipitation; 13 cloudy days;

79

%

air humidity

1.9

m/s

WindSE

172

mm of precipitation

(12% of annual average)

+24

°C

Water temperature

air humidity 79%; 172 millimeters of precipitation (12% of annual average); Wind south-easterly 1.9 Meters per second; Water temperature +24°

Weather graphs for September

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

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Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Tokyo
Toyama
Fuji
Hakone
Nagano
Yokohama
Shirahama
Shizuoka
Kamakura

Cities with similar weather in September

Kemer
Barcelona
Rome
Baku
Venice
Thessaloniki
Salou
Naples
Gudauta

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

September in Kumejima is the cloudiest month of the year. In September, the weather in Kumejima is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Kumejima has 16 rainy, 7 partly cloudy, 5 cloudy, and 2 sunny days in September. The rains are usually heavy. September as well as February, March, June, and July is considered the most uncomfortable time to visit Kumejima.

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