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September weather forecast in Surabaya

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		71%
	3.1 m/s		+29

31 August, Sunday. day, 32°; night, 23°; partly cloudy

1 September, mon

	753 mmHg		70%
	3.3 m/s		+29

1 September, Monday. day, 32°; night, 23°; clear

2 September, tue

	753 mmHg		70%
	3.2 m/s		+29

2 September, Tuesday. day, 32°; night, 23°; clear

3 September, wed

	754 mmHg		70%
	3.2 m/s		+29

3 September, Wednesday. day, 32°; night, 23°; partly cloudy

4 September, thu

	753 mmHg		70%
	3.2 m/s		+29

4 September, Thursday. day, 32°; night, 23°; partly cloudy

5 September, fri

	754 mmHg		70%
	3.1 m/s		+29

5 September, Friday. day, 32°; night, 23°; partly cloudy

6 September, sat

	754 mmHg		70%
	3.3 m/s		+29

6 September, Saturday. day, 32°; night, 23°; clear

7 September, sun

	754 mmHg		70%
	3.2 m/s		+29

7 September, Sunday. day, 32°; night, 23°; clear

8 September, mon

	754 mmHg		70%
	3.1 m/s		+29

8 September, Monday. day, 32°; night, 23°; clear

9 September, tue

	754 mmHg		69%
	3.3 m/s		+30

9 September, Tuesday. day, 32°; night, 23°; partly cloudy

10 September, wed

	754 mmHg		69%
	3.5 m/s		+29

10 September, Wednesday. day, 32°; night, 23°; clear

11 September, thu

	753 mmHg		69%
	3.6 m/s		+29

11 September, Thursday. day, 33°; night, 23°; clear

12 September, fri

	754 mmHg		69%
	3.3 m/s		+29

12 September, Friday. day, 33°; night, 23°; clear

13 September, sat

	754 mmHg		69%
	3.4 m/s		+30

13 September, Saturday. day, 33°; night, 23°; clear

14 September, sun

	754 mmHg		69%
	3.2 m/s		+30

14 September, Sunday. day, 33°; night, 23°; clear

15 September, mon

	753 mmHg		69%
	3.2 m/s		+30

15 September, Monday. day, 33°; night, 23°; partly cloudy

16 September, tue

	753 mmHg		70%
	3.5 m/s		+30

16 September, Tuesday. day, 32°; night, 23°; partly cloudy

17 September, wed

	754 mmHg		70%
	3.2 m/s		+29

17 September, Wednesday. day, 33°; night, 24°; overcast

18 September, thu

	754 mmHg		69%
	3.5 m/s		+30

18 September, Thursday. day, 33°; night, 24°; partly cloudy

19 September, fri

	754 mmHg		70%
	3.3 m/s		+29

19 September, Friday. day, 33°; night, 24°; partly cloudy

20 September, sat

	754 mmHg		70%
	3.2 m/s		+30

20 September, Saturday. day, 33°; night, 24°; clear

21 September, sun

	754 mmHg		70%
	3.2 m/s		+30

21 September, Sunday. day, 33°; night, 24°; partly cloudy

22 September, mon

	754 mmHg		70%
	3.3 m/s		+30

22 September, Monday. day, 33°; night, 24°; partly cloudy

23 September, tue

	753 mmHg		70%
	3.3 m/s		+30

23 September, Tuesday. day, 33°; night, 24°; rain

24 September, wed

	753 mmHg		71%
	3.4 m/s		+30

24 September, Wednesday. day, 33°; night, 23°; rain

25 September, thu

	753 mmHg		71%
	3.2 m/s		+30

25 September, Thursday. day, 33°; night, 24°; rain

26 September, fri

	753 mmHg		71%
	3.1 m/s		+30

26 September, Friday. day, 33°; night, 24°; rain

27 September, sat

	753 mmHg		70%
	3 m/s		+30

27 September, Saturday. day, 33°; night, 24°; rain

28 September, sun

	753 mmHg		69%
	3.2 m/s		+30

28 September, Sunday. day, 33°; night, 24°; clear

29 September, mon

	753 mmHg		69%
	3.2 m/s		+30

29 September, Monday. day, 33°; night, 24°; clear

30 September, tue

	753 mmHg		70%
	3.2 m/s		+30

30 September, Tuesday. day, 33°; night, 24°; clear

1 October, wed

	753 mmHg		70%
	3 m/s		+30

1 October, Wednesday. day, 33°; night, 24°; clear

2 October, thu

	753 mmHg		71%
	3.2 m/s		+30

2 October, Thursday. day, 33°; night, 24°; partly cloudy

3 October, fri

	753 mmHg		71%
	3.2 m/s		+30

3 October, Friday. day, 33°; night, 24°; clear

4 October, sat

	753 mmHg		71%
	3.2 m/s		+30

4 October, Saturday. day, 33°; night, 24°; partly cloudy

Average data for 10 years

Surabaya September

14

sunny days

5

days with precipitation

3

cloudy days

14 sunny days; 5 days with precipitation; 3 cloudy days;

70

%

air humidity

1.8

m/s

WindSE

30

mm of precipitation

(2% of annual average)

+30

°C

Water temperature

air humidity 70%; 30 millimeters of precipitation (2% of annual average); Wind south-easterly 1.8 Meters per second; Water temperature +30°

Weather graphs for September

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

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Bali
Denpasar
Nusa-Dua
Ubud
Kuta
Canggu
Uluwatu
Seminyak
Jimbaran

Cities with similar weather in September

Pattaya
Nha Trang
Sharm-El-Sheikh
Bangkok
Miami
Punta Cana
Singapore
Cancun
Hong Kong

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

In September, the weather in Surabaya is typically hot. Average daily high temperature in September is about 33 degrees above zero. On average, Surabaya has 14 sunny, 10 partly cloudy, 5 rainy, and 1 cloudy day in September. The rains are usually moderate.

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