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September weather forecast in Hamamatsu

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		77%
	4.8 m/s		+27

31 August, Sunday. day, 30°; night, 24°; rain

1 September, mon

	757 mmHg		77%
	4.69 m/s		+27

1 September, Monday. day, 30°; night, 24°; overcast

2 September, tue

	757 mmHg		76%
	4.6 m/s		+27

2 September, Tuesday. day, 30°; night, 24°; partly cloudy

3 September, wed

	757 mmHg		76%
	4.9 m/s		+27

3 September, Wednesday. day, 30°; night, 24°; rain

4 September, thu

	757 mmHg		76%
	4.8 m/s		+27

4 September, Thursday. day, 29°; night, 23°; rain

5 September, fri

	757 mmHg		75%
	4.69 m/s		+27

5 September, Friday. day, 29°; night, 23°; rain

6 September, sat

	756 mmHg		77%
	4.9 m/s		+27

6 September, Saturday. day, 29°; night, 23°; rain

7 September, sun

	757 mmHg		78%
	5.3 m/s		+27

7 September, Sunday. day, 29°; night, 24°; rain

8 September, mon

	757 mmHg		77%
	4.8 m/s		+27

8 September, Monday. day, 29°; night, 23°; rain

9 September, tue

	758 mmHg		77%
	4.6 m/s		+27

9 September, Tuesday. day, 29°; night, 23°; rain

10 September, wed

	758 mmHg		77%
	4.3 m/s		+27

10 September, Wednesday. day, 29°; night, 23°; rain

11 September, thu

	758 mmHg		76%
	4.6 m/s		+27

11 September, Thursday. day, 29°; night, 23°; rain

12 September, fri

	759 mmHg		75%
	4.4 m/s		+27

12 September, Friday. day, 29°; night, 23°; rain

13 September, sat

	759 mmHg		74%
	4.5 m/s		+27

13 September, Saturday. day, 29°; night, 23°; clear

14 September, sun

	759 mmHg		76%
	4.69 m/s		+26

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

15 September, mon

	758 mmHg		76%
	5.2 m/s		+26

15 September, Monday. day, 28°; night, 22°; overcast

16 September, tue

	758 mmHg		76%
	5.7 m/s		+26

16 September, Tuesday. day, 27°; night, 22°; rain

17 September, wed

	758 mmHg		77%
	5.4 m/s		+26

17 September, Wednesday. day, 28°; night, 22°; rain

18 September, thu

	758 mmHg		76%
	4.69 m/s		+26

18 September, Thursday. day, 28°; night, 22°; clear

19 September, fri

	758 mmHg		73%
	4.6 m/s		+26

19 September, Friday. day, 29°; night, 21°; clear

20 September, sat

	758 mmHg		75%
	4.69 m/s		+26

20 September, Saturday. day, 27°; night, 21°; clear

21 September, sun

	758 mmHg		75%
	5 m/s		+26

21 September, Sunday. day, 27°; night, 21°; rain

22 September, mon

	759 mmHg		76%
	5.1 m/s		+25

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

23 September, tue

	759 mmHg		74%
	4.8 m/s		+25

23 September, Tuesday. day, 26°; night, 20°; partly cloudy

24 September, wed

	759 mmHg		74%
	4.8 m/s		+25

24 September, Wednesday. day, 26°; night, 20°; partly cloudy

25 September, thu

	759 mmHg		74%
	4.5 m/s		+25

25 September, Thursday. day, 27°; night, 20°; partly cloudy

26 September, fri

	760 mmHg		75%
	4.19 m/s		+25

26 September, Friday. day, 26°; night, 20°; partly cloudy

27 September, sat

	760 mmHg		73%
	4.8 m/s		+24

27 September, Saturday. day, 26°; night, 19°; clear

28 September, sun

	760 mmHg		72%
	4.69 m/s		+24

28 September, Sunday. day, 26°; night, 20°; clear

29 September, mon

	760 mmHg		72%
	4.5 m/s		+24

29 September, Monday. day, 25°; night, 19°; overcast

30 September, tue

	759 mmHg		75%
	5.3 m/s		+24

30 September, Tuesday. day, 25°; night, 19°; rain

1 October, wed

	758 mmHg		75%
	5.2 m/s		+24

1 October, Wednesday. day, 25°; night, 20°; rain

2 October, thu

	759 mmHg		72%
	5.2 m/s		+24

2 October, Thursday. day, 26°; night, 19°; partly cloudy

3 October, fri

	760 mmHg		71%
	5 m/s		+24

3 October, Friday. day, 25°; night, 19°; partly cloudy

4 October, sat

	760 mmHg		73%
	4.3 m/s		+24

4 October, Saturday. day, 25°; night, 19°; rain

Average data for 10 years

Hamamatsu September

6

sunny days

16

days with precipitation

10

cloudy days

6 sunny days; 16 days with precipitation; 10 cloudy days;

75

%

air humidity

3

m/s

WindS

226

mm of precipitation

(12% of annual average)

+26

°C

Water temperature

air humidity 75%; 226 millimeters of precipitation (12% of annual average); Wind southerly 3 Meters per second; Water temperature +26°

Weather graphs for September

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

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SE

SE

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S

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SE

S

S

S

S

SE

SE

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SE

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S

SE

1

Average data for 10 years

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30

Daytime temperature

Night-time temperature

Cities near you

Tokyo
Osaka
Kyoto
Toyama
Fuji
Hakone
Yokohama
Kamakura
Nagano

Cities with similar weather in September

Antalya
Tunis
Marmaris
Paphos
Athens
Jerba
Limassol
Rhodes
Sousse

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

In September, the weather in Hamamatsu is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Hamamatsu has 16 rainy, 6 sunny, 5 partly cloudy, and 3 cloudy days in September. The rains are usually heavy. September as well as June, July, and August is considered the most uncomfortable time to visit Hamamatsu.

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