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September weather forecast in Atami

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

	728 mmHg		81%
	7.5 m/s		+26

31 August, Sunday. day, 25°; night, 23°; clear

1 September, mon

	729 mmHg		80%
	7.1 m/s		+26

1 September, Monday. day, 25°; night, 23°; partly cloudy

2 September, tue

	729 mmHg		80%
	6.6 m/s		+26

2 September, Tuesday. day, 25°; night, 23°; rain

3 September, wed

	729 mmHg		80%
	5.6 m/s		+26

3 September, Wednesday. day, 25°; night, 23°; rain

4 September, thu

	729 mmHg		81%
	5 m/s		+26

4 September, Thursday. day, 26°; night, 24°; rain

5 September, fri

	728 mmHg		80%
	5.5 m/s		+26

5 September, Friday. day, 25°; night, 23°; rain

6 September, sat

	727 mmHg		81%
	6.5 m/s		+26

6 September, Saturday. day, 26°; night, 23°; clear

7 September, sun

	727 mmHg		82%
	7.5 m/s		+26

7 September, Sunday. day, 25°; night, 23°; rain

8 September, mon

	728 mmHg		80%
	6.1 m/s		+26

8 September, Monday. day, 24°; night, 23°; clear

9 September, tue

	729 mmHg		73%
	5.5 m/s		+26

9 September, Tuesday. day, 25°; night, 23°; clear

10 September, wed

	730 mmHg		73%
	5.3 m/s		+26

10 September, Wednesday. day, 25°; night, 23°; partly cloudy

11 September, thu

	729 mmHg		75%
	5.4 m/s		+26

11 September, Thursday. day, 25°; night, 23°; rain

12 September, fri

	728 mmHg		70%
	5.3 m/s		+26

12 September, Friday. day, 26°; night, 24°; clear

13 September, sat

	730 mmHg		75%
	4.6 m/s		+26

13 September, Saturday. day, 25°; night, 23°; partly cloudy

14 September, sun

	731 mmHg		79%
	4.9 m/s		+26

14 September, Sunday. day, 24°; night, 22°; rain

15 September, mon

	729 mmHg		80%
	6 m/s		+26

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

16 September, tue

	730 mmHg		81%
	6.1 m/s		+26

16 September, Tuesday. day, 23°; night, 21°; rain

17 September, wed

	729 mmHg		75%
	6.9 m/s		+25

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

18 September, thu

	729 mmHg		75%
	6.5 m/s		+25

18 September, Thursday. day, 24°; night, 22°; rain

19 September, fri

	728 mmHg		76%
	6.6 m/s		+25

19 September, Friday. day, 24°; night, 22°; clear

20 September, sat

	728 mmHg		74%
	7.3 m/s		+25

20 September, Saturday. day, 24°; night, 22°; overcast

21 September, sun

	729 mmHg		73%
	6.4 m/s		+25

21 September, Sunday. day, 24°; night, 21°; rain

22 September, mon

	730 mmHg		76%
	6 m/s		+25

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

23 September, tue

	730 mmHg		80%
	6.8 m/s		+25

23 September, Tuesday. day, 21°; night, 20°; clear

24 September, wed

	728 mmHg		77%
	7.4 m/s		+25

24 September, Wednesday. day, 22°; night, 21°; rain

25 September, thu

	730 mmHg		75%
	6.8 m/s		+25

25 September, Thursday. day, 22°; night, 20°; partly cloudy

26 September, fri

	731 mmHg		75%
	7.3 m/s		+25

26 September, Friday. day, 21°; night, 20°; clear

27 September, sat

	731 mmHg		74%
	7.4 m/s		+25

27 September, Saturday. day, 22°; night, 20°; rain

28 September, sun

	731 mmHg		75%
	6.5 m/s		+25

28 September, Sunday. day, 22°; night, 21°; rain

29 September, mon

	731 mmHg		80%
	6.4 m/s		+25

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

30 September, tue

	732 mmHg		81%
	7.4 m/s		+24

30 September, Tuesday. day, 21°; night, 20°; clear

1 October, wed

	729 mmHg		81%
	7.5 m/s		+24

1 October, Wednesday. day, 22°; night, 20°; rain

2 October, thu

	729 mmHg		79%
	6.1 m/s		+24

2 October, Thursday. day, 22°; night, 20°; clear

3 October, fri

	731 mmHg		81%
	6.3 m/s		+24

3 October, Friday. day, 21°; night, 19°; clear

4 October, sat

	732 mmHg		79%
	7.4 m/s		+24

4 October, Saturday. day, 20°; night, 19°; rain

Average data for 10 years

Atami September

9

sunny days

16

days with precipitation

5

cloudy days

9 sunny days; 16 days with precipitation; 5 cloudy days;

77

%

air humidity

4.4

m/s

WindNE

207

mm of precipitation

(14% of annual average)

+26

°C

Water temperature

air humidity 77%; 207 millimeters of precipitation (14% of annual average); Wind north-easterly 4.4 Meters per second; Water temperature +26°

Weather graphs for September

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

SE

SE

SE

S

SE

SW

N

NE

SW

S

SW

SW

NE

NE

NE

NE

S

SW

NW

SW

E

NE

N

N

NE

NE

NE

N

N

NE

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

Tokyo
Osaka
Kyoto
Hakone
Fuji
Nagoya
Toyama
Nagano
Sendai

Cities with similar weather in September

Kemer
Barcelona
Rome
Athens
Thessaloniki
Salou
Malaga
Naples
Gudauta

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

In September, the weather in Atami is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Atami has 16 rainy, 9 sunny, 4 partly cloudy, and 1 cloudy day in September. The rains are usually heavy.

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