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September weather forecast in Olongapo

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

	740 mmHg		88%
	3 m/s		+29

31 August, Sunday. day, 29°; night, 24°; rain

1 September, mon

	740 mmHg		88%
	3.1 m/s		+29

1 September, Monday. day, 28°; night, 24°; rain

2 September, tue

	740 mmHg		89%
	3.1 m/s		+29

2 September, Tuesday. day, 28°; night, 24°; rain

3 September, wed

	740 mmHg		89%
	3.2 m/s		+29

3 September, Wednesday. day, 28°; night, 24°; rain

4 September, thu

	740 mmHg		89%
	3.1 m/s		+29

4 September, Thursday. day, 28°; night, 24°; rain

5 September, fri

	740 mmHg		89%
	3.2 m/s		+29

5 September, Friday. day, 28°; night, 24°; rain

6 September, sat

	740 mmHg		88%
	3.2 m/s		+29

6 September, Saturday. day, 29°; night, 24°; rain

7 September, sun

	740 mmHg		87%
	2.9 m/s		+29

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

8 September, mon

	740 mmHg		87%
	3 m/s		+28

8 September, Monday. day, 29°; night, 24°; rain

9 September, tue

	740 mmHg		88%
	2.9 m/s		+29

9 September, Tuesday. day, 29°; night, 24°; rain

10 September, wed

	740 mmHg		88%
	2.9 m/s		+29

10 September, Wednesday. day, 28°; night, 24°; rain

11 September, thu

	740 mmHg		89%
	3 m/s		+28

11 September, Thursday. day, 28°; night, 24°; rain

12 September, fri

	739 mmHg		89%
	3.2 m/s		+28

12 September, Friday. day, 28°; night, 24°; rain

13 September, sat

	739 mmHg		88%
	3.2 m/s		+28

13 September, Saturday. day, 28°; night, 24°; rain

14 September, sun

	739 mmHg		89%
	3.5 m/s		+29

14 September, Sunday. day, 28°; night, 24°; rain

15 September, mon

	739 mmHg		89%
	3.4 m/s		+29

15 September, Monday. day, 28°; night, 24°; rain

16 September, tue

	740 mmHg		89%
	3.2 m/s		+29

16 September, Tuesday. day, 28°; night, 24°; rain

17 September, wed

	740 mmHg		88%
	3.1 m/s		+29

17 September, Wednesday. day, 28°; night, 24°; rain

18 September, thu

	740 mmHg		88%
	3.1 m/s		+29

18 September, Thursday. day, 28°; night, 24°; rain

19 September, fri

	740 mmHg		89%
	3.1 m/s		+28

19 September, Friday. day, 28°; night, 24°; rain

20 September, sat

	740 mmHg		88%
	2.9 m/s		+29

20 September, Saturday. day, 28°; night, 24°; rain

21 September, sun

	740 mmHg		88%
	3 m/s		+29

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

22 September, mon

	740 mmHg		88%
	2.8 m/s		+29

22 September, Monday. day, 29°; night, 24°; rain

23 September, tue

	740 mmHg		88%
	2.7 m/s		+28

23 September, Tuesday. day, 29°; night, 24°; rain

24 September, wed

	740 mmHg		87%
	2.6 m/s		+29

24 September, Wednesday. day, 29°; night, 24°; rain

25 September, thu

	740 mmHg		87%
	2.6 m/s		+29

25 September, Thursday. day, 29°; night, 24°; rain

26 September, fri

	739 mmHg		87%
	2.8 m/s		+28

26 September, Friday. day, 29°; night, 24°; rain

27 September, sat

	739 mmHg		87%
	3.1 m/s		+28

27 September, Saturday. day, 29°; night, 24°; rain

28 September, sun

	739 mmHg		88%
	3.3 m/s		+28

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

29 September, mon

	740 mmHg		88%
	2.9 m/s		+29

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

30 September, tue

	740 mmHg		87%
	2.8 m/s		+28

30 September, Tuesday. day, 29°; night, 24°; rain

1 October, wed

	740 mmHg		87%
	3.1 m/s		+28

1 October, Wednesday. day, 29°; night, 24°; rain

2 October, thu

	740 mmHg		87%
	3.1 m/s		+28

2 October, Thursday. day, 29°; night, 24°; rain

3 October, fri

	740 mmHg		86%
	2.9 m/s		+29

3 October, Friday. day, 29°; night, 24°; rain

4 October, sat

	740 mmHg		86%
	2.7 m/s		+29

4 October, Saturday. day, 29°; night, 24°; rain

Average data for 10 years

Olongapo September

0

sunny days

29

days with precipitation

23

cloudy days

0 sunny days; 29 days with precipitation; 23 cloudy days;

88

%

air humidity

1.7

m/s

WindS

419

mm of precipitation

(16% of annual average)

+29

°C

Water temperature

air humidity 88%; 419 millimeters of precipitation (16% of annual average); Wind southerly 1.7 Meters per second; Water temperature +29°

Weather graphs for September

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

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

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

Manila
Boracay
El Nido
Coron
Calapan
Pasig
Dagupan
Legaspi
Vigan

Cities with similar weather in September

Phuket
Santo Domingo
Varadero
Male
Phan Thiet
Samui
Krabi
Puerto Plata
Panaji

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

In September, the weather in Olongapo is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Olongapo has 29 rainy and 1 partly cloudy day in September. The rains are usually heavy. September as well as April, May, June, and July is considered the most uncomfortable time to visit Olongapo.

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