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September weather forecast in Semarang

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

	757 mmHg		73%
	5 m/s		+29

31 August, Sunday. day, 28°; night, 26°; partly cloudy

1 September, mon

	757 mmHg		73%
	5.2 m/s		+30

1 September, Monday. day, 28°; night, 26°; clear

2 September, tue

	758 mmHg		73%
	5.1 m/s		+30

2 September, Tuesday. day, 28°; night, 26°; clear

3 September, wed

	758 mmHg		73%
	5.1 m/s		+30

3 September, Wednesday. day, 28°; night, 26°; clear

4 September, thu

	758 mmHg		73%
	5 m/s		+30

4 September, Thursday. day, 28°; night, 26°; clear

5 September, fri

	758 mmHg		74%
	4.8 m/s		+30

5 September, Friday. day, 28°; night, 26°; rain

6 September, sat

	758 mmHg		73%
	5.1 m/s		+30

6 September, Saturday. day, 28°; night, 26°; clear

7 September, sun

	758 mmHg		72%
	5.2 m/s		+30

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

8 September, mon

	758 mmHg		73%
	5.1 m/s		+30

8 September, Monday. day, 28°; night, 26°; rain

9 September, tue

	758 mmHg		73%
	5.2 m/s		+30

9 September, Tuesday. day, 28°; night, 26°; clear

10 September, wed

	758 mmHg		72%
	4.9 m/s		+30

10 September, Wednesday. day, 28°; night, 26°; clear

11 September, thu

	757 mmHg		72%
	5 m/s		+30

11 September, Thursday. day, 28°; night, 27°; clear

12 September, fri

	758 mmHg		71%
	5.3 m/s		+30

12 September, Friday. day, 28°; night, 26°; partly cloudy

13 September, sat

	758 mmHg		71%
	5.3 m/s		+30

13 September, Saturday. day, 28°; night, 26°; clear

14 September, sun

	758 mmHg		72%
	5.1 m/s		+30

14 September, Sunday. day, 28°; night, 26°; partly cloudy

15 September, mon

	757 mmHg		72%
	5.1 m/s		+30

15 September, Monday. day, 28°; night, 26°; clear

16 September, tue

	758 mmHg		72%
	5.1 m/s		+30

16 September, Tuesday. day, 28°; night, 27°; rain

17 September, wed

	758 mmHg		73%
	4.8 m/s		+30

17 September, Wednesday. day, 28°; night, 27°; overcast

18 September, thu

	758 mmHg		74%
	5 m/s		+30

18 September, Thursday. day, 28°; night, 27°; partly cloudy

19 September, fri

	758 mmHg		73%
	5.2 m/s		+30

19 September, Friday. day, 28°; night, 27°; overcast

20 September, sat

	758 mmHg		73%
	4.9 m/s		+30

20 September, Saturday. day, 28°; night, 27°; partly cloudy

21 September, sun

	758 mmHg		74%
	5 m/s		+30

21 September, Sunday. day, 28°; night, 26°; overcast

22 September, mon

	758 mmHg		74%
	4.9 m/s		+30

22 September, Monday. day, 28°; night, 26°; partly cloudy

23 September, tue

	757 mmHg		73%
	4.9 m/s		+30

23 September, Tuesday. day, 28°; night, 26°; partly cloudy

24 September, wed

	757 mmHg		75%
	4.9 m/s		+30

24 September, Wednesday. day, 28°; night, 27°; partly cloudy

25 September, thu

	757 mmHg		75%
	5 m/s		+30

25 September, Thursday. day, 28°; night, 26°; rain

26 September, fri

	757 mmHg		74%
	4.9 m/s		+30

26 September, Friday. day, 28°; night, 26°; rain

27 September, sat

	757 mmHg		74%
	5.1 m/s		+30

27 September, Saturday. day, 28°; night, 26°; rain

28 September, sun

	757 mmHg		74%
	4.9 m/s		+30

28 September, Sunday. day, 28°; night, 26°; partly cloudy

29 September, mon

	757 mmHg		74%
	4.9 m/s		+30

29 September, Monday. day, 28°; night, 27°; partly cloudy

30 September, tue

	757 mmHg		75%
	4.9 m/s		+30

30 September, Tuesday. day, 28°; night, 27°; rain

1 October, wed

	757 mmHg		75%
	5 m/s		+30

1 October, Wednesday. day, 28°; night, 27°; clear

2 October, thu

	757 mmHg		76%
	5.1 m/s		+30

2 October, Thursday. day, 28°; night, 26°; partly cloudy

3 October, fri

	757 mmHg		75%
	5.2 m/s		+30

3 October, Friday. day, 28°; night, 27°; partly cloudy

4 October, sat

	757 mmHg		75%
	4.9 m/s		+30

4 October, Saturday. day, 28°; night, 26°; partly cloudy

Average data for 10 years

Semarang September

11

sunny days

7

days with precipitation

4

cloudy days

11 sunny days; 7 days with precipitation; 4 cloudy days;

73

%

air humidity

2.9

m/s

WindS

34

mm of precipitation

(2% of annual average)

+30

°C

Water temperature

air humidity 73%; 34 millimeters of precipitation (2% of annual average); Wind southerly 2.9 Meters per second; Water temperature +30°

Weather graphs for September

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

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S

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S

S

S

S

S

S

S

S

S

S

S

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S

S

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S

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S

S

S

1

Average data for 10 years

2

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10

11

12

13

14

15

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20

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27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Jakarta
Blitar
Yogyakarta
Sukabumi
Depok
Bogor
Surabaya
Bandung
Tangerang

Cities with similar weather in September

Pattaya
Santo Domingo
Varadero
Havana
Ko Chang
Mumbai
Kinshasa
Boca Chica
Cam Ranh Bay

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

In September, the weather in Semarang is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Semarang has 11 sunny, 9 partly cloudy, 7 rainy, and 3 cloudy days in September. The rains are usually light.

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