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September weather forecast in Nagaoka

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

	753 mmHg		78%
	3.2 m/s		+27

31 August, Sunday. day, 29°; night, 22°; rain

1 September, mon

	754 mmHg		76%
	3.2 m/s		+27

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

2 September, tue

	754 mmHg		75%
	3.8 m/s		+28

2 September, Tuesday. day, 29°; night, 22°; partly cloudy

3 September, wed

	754 mmHg		76%
	3.4 m/s		+27

3 September, Wednesday. day, 29°; night, 21°; partly cloudy

4 September, thu

	754 mmHg		76%
	3.8 m/s		+27

4 September, Thursday. day, 29°; night, 21°; rain

5 September, fri

	754 mmHg		76%
	3.2 m/s		+27

5 September, Friday. day, 29°; night, 21°; overcast

6 September, sat

	753 mmHg		78%
	3.6 m/s		+27

6 September, Saturday. day, 28°; night, 21°; rain

7 September, sun

	753 mmHg		78%
	3.8 m/s		+26

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

8 September, mon

	754 mmHg		79%
	3.5 m/s		+26

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

9 September, tue

	754 mmHg		77%
	3.2 m/s		+26

9 September, Tuesday. day, 28°; night, 21°; rain

10 September, wed

	755 mmHg		79%
	3.2 m/s		+27

10 September, Wednesday. day, 28°; night, 21°; rain

11 September, thu

	755 mmHg		78%
	3.5 m/s		+26

11 September, Thursday. day, 28°; night, 20°; rain

12 September, fri

	756 mmHg		77%
	3.5 m/s		+26

12 September, Friday. day, 27°; night, 20°; partly cloudy

13 September, sat

	756 mmHg		78%
	3.5 m/s		+26

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

14 September, sun

	756 mmHg		77%
	3.2 m/s		+26

14 September, Sunday. day, 27°; night, 20°; rain

15 September, mon

	755 mmHg		77%
	3.2 m/s		+26

15 September, Monday. day, 27°; night, 19°; partly cloudy

16 September, tue

	754 mmHg		77%
	3.5 m/s		+26

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

17 September, wed

	754 mmHg		77%
	3.7 m/s		+26

17 September, Wednesday. day, 27°; night, 20°; rain

18 September, thu

	755 mmHg		76%
	3.4 m/s		+26

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

19 September, fri

	755 mmHg		75%
	3.9 m/s		+25

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

20 September, sat

	756 mmHg		77%
	3.5 m/s		+25

20 September, Saturday. day, 25°; night, 18°; clear

21 September, sun

	755 mmHg		78%
	3.6 m/s		+25

21 September, Sunday. day, 25°; night, 18°; overcast

22 September, mon

	756 mmHg		78%
	4 m/s		+25

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

23 September, tue

	757 mmHg		77%
	3.6 m/s		+25

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

24 September, wed

	757 mmHg		75%
	3.6 m/s		+25

24 September, Wednesday. day, 25°; night, 17°; rain

25 September, thu

	757 mmHg		78%
	3.3 m/s		+24

25 September, Thursday. day, 24°; night, 17°; overcast

26 September, fri

	757 mmHg		77%
	3.3 m/s		+24

26 September, Friday. day, 24°; night, 16°; overcast

27 September, sat

	757 mmHg		76%
	3.6 m/s		+24

27 September, Saturday. day, 24°; night, 16°; rain

28 September, sun

	757 mmHg		76%
	3.9 m/s		+24

28 September, Sunday. day, 24°; night, 16°; partly cloudy

29 September, mon

	757 mmHg		74%
	3.2 m/s		+24

29 September, Monday. day, 24°; night, 16°; partly cloudy

30 September, tue

	756 mmHg		76%
	3.6 m/s		+24

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

1 October, wed

	755 mmHg		77%
	3.8 m/s		+24

1 October, Wednesday. day, 24°; night, 17°; partly cloudy

2 October, thu

	756 mmHg		76%
	4.3 m/s		+23

2 October, Thursday. day, 24°; night, 16°; rain

3 October, fri

	757 mmHg		75%
	3.8 m/s		+23

3 October, Friday. day, 23°; night, 16°; partly cloudy

4 October, sat

	758 mmHg		76%
	4 m/s		+23

4 October, Saturday. day, 23°; night, 15°; rain

Average data for 10 years

Nagaoka September

1

sunny day

15

days with precipitation

11

cloudy days

1 sunny day; 15 days with precipitation; 11 cloudy days;

77

%

air humidity

2

m/s

WindSE

150

mm of precipitation

(9% of annual average)

+26

°C

Water temperature

air humidity 77%; 150 millimeters of precipitation (9% of annual average); Wind south-easterly 2 Meters per second; Water temperature +26°

Weather graphs for September

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

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S

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SE

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S

S

1

Average data for 10 years

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3

4

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11

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29

30

Daytime temperature

Night-time temperature

Cities near you

Tokyo
Kyoto
Toyama
Hakone
Sendai
Aomori
Nagano
Nagoya
Fuji

Cities with similar weather in September

Kemer
Barcelona
Rome
Athens
Thessaloniki
Salou
Malaga
Alicante
Naples

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

In September, the weather in Nagaoka is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, Nagaoka has 15 rainy, 7 cloudy, 7 partly cloudy, and 1 sunny day in September. The rains are usually heavy.

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