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September weather forecast in Hakone

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

	724 mmHg		83%
	3.1 m/s		+26

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

1 September, mon

	725 mmHg		83%
	2.8 m/s		+26

1 September, Monday. day, 27°; night, 21°; rain

2 September, tue

	725 mmHg		82%
	2.9 m/s		+26

2 September, Tuesday. day, 27°; night, 21°; clear

3 September, wed

	725 mmHg		83%
	2.7 m/s		+26

3 September, Wednesday. day, 27°; night, 21°; rain

4 September, thu

	725 mmHg		83%
	2.8 m/s		+26

4 September, Thursday. day, 26°; night, 20°; rain

5 September, fri

	725 mmHg		82%
	2.6 m/s		+26

5 September, Friday. day, 26°; night, 21°; rain

6 September, sat

	724 mmHg		84%
	3 m/s		+26

6 September, Saturday. day, 26°; night, 20°; rain

7 September, sun

	724 mmHg		84%
	3.3 m/s		+26

7 September, Sunday. day, 26°; night, 21°; rain

8 September, mon

	725 mmHg		84%
	3.1 m/s		+26

8 September, Monday. day, 26°; night, 20°; rain

9 September, tue

	725 mmHg		83%
	2.7 m/s		+26

9 September, Tuesday. day, 26°; night, 21°; partly cloudy

10 September, wed

	725 mmHg		81%
	2.7 m/s		+26

10 September, Wednesday. day, 27°; night, 20°; clear

11 September, thu

	726 mmHg		82%
	2.5 m/s		+26

11 September, Thursday. day, 26°; night, 20°; rain

12 September, fri

	726 mmHg		82%
	2.4 m/s		+26

12 September, Friday. day, 26°; night, 20°; clear

13 September, sat

	726 mmHg		81%
	2.6 m/s		+26

13 September, Saturday. day, 26°; night, 20°; partly cloudy

14 September, sun

	726 mmHg		82%
	2.6 m/s		+26

14 September, Sunday. day, 25°; night, 20°; rain

15 September, mon

	726 mmHg		81%
	3.1 m/s		+26

15 September, Monday. day, 24°; night, 19°; rain

16 September, tue

	725 mmHg		83%
	3.2 m/s		+26

16 September, Tuesday. day, 24°; night, 19°; rain

17 September, wed

	725 mmHg		83%
	3.1 m/s		+25

17 September, Wednesday. day, 25°; night, 19°; partly cloudy

18 September, thu

	725 mmHg		82%
	2.9 m/s		+25

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

19 September, fri

	725 mmHg		78%
	3.1 m/s		+25

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

20 September, sat

	726 mmHg		80%
	2.7 m/s		+25

20 September, Saturday. day, 24°; night, 18°; clear

21 September, sun

	725 mmHg		82%
	3.3 m/s		+25

21 September, Sunday. day, 23°; night, 18°; rain

22 September, mon

	726 mmHg		81%
	3.5 m/s		+25

22 September, Monday. day, 23°; night, 18°; rain

23 September, tue

	727 mmHg		81%
	3.1 m/s		+25

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

24 September, wed

	727 mmHg		81%
	3.1 m/s		+25

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

25 September, thu

	726 mmHg		80%
	3 m/s		+25

25 September, Thursday. day, 23°; night, 18°; overcast

26 September, fri

	727 mmHg		82%
	2.8 m/s		+25

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

27 September, sat

	727 mmHg		81%
	2.8 m/s		+25

27 September, Saturday. day, 21°; night, 16°; rain

28 September, sun

	727 mmHg		78%
	2.7 m/s		+25

28 September, Sunday. day, 23°; night, 17°; clear

29 September, mon

	727 mmHg		80%
	2.7 m/s		+25

29 September, Monday. day, 22°; night, 16°; overcast

30 September, tue

	726 mmHg		81%
	3.2 m/s		+24

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

1 October, wed

	725 mmHg		81%
	3.1 m/s		+24

1 October, Wednesday. day, 22°; night, 17°; rain

2 October, thu

	726 mmHg		79%
	2.7 m/s		+24

2 October, Thursday. day, 23°; night, 17°; partly cloudy

3 October, fri

	727 mmHg		81%
	2.4 m/s		+24

3 October, Friday. day, 22°; night, 17°; rain

4 October, sat

	727 mmHg		80%
	2.6 m/s		+24

4 October, Saturday. day, 22°; night, 16°; rain

Average data for 10 years

Hakone September

6

sunny days

18

days with precipitation

13

cloudy days

6 sunny days; 18 days with precipitation; 13 cloudy days;

82

%

air humidity

1.8

m/s

WindSE

260

mm of precipitation

(12% of annual average)

+26

°C

Water temperature

air humidity 82%; 260 millimeters of precipitation (12% of annual average); Wind south-easterly 1.8 Meters per second; Water temperature +26°

Weather graphs for September

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

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S

SE

SE

SE

S

SE

SE

S

S

S

S

SE

SE

E

SE

S

S

S

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

1

Average data for 10 years

2

3

4

5

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10

11

12

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14

15

16

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18

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20

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30

Daytime temperature

Night-time temperature

Cities near you

Tokyo
Osaka
Kyoto
Toyama
Sendai
Nagano
Nagoya
Fuji
Niigata

Cities with similar weather in September

Baku
Batumi
Budva
Venice
New Athos
Thessaloniki
Gudauta
Bar
Pisa

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

In September, the weather in Hakone is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Hakone has 18 rainy, 6 sunny, 4 partly cloudy, and 2 cloudy days in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Hakone.

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