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September weather forecast in Vanimo

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

	758 mmHg		84%
	3.8 m/s		+29

31 August, Sunday. day, 27°; night, 25°; rain

1 September, mon

	758 mmHg		85%
	4.19 m/s		+29

1 September, Monday. day, 28°; night, 25°; rain

2 September, tue

	758 mmHg		85%
	4.3 m/s		+29

2 September, Tuesday. day, 27°; night, 25°; rain

3 September, wed

	758 mmHg		85%
	4 m/s		+29

3 September, Wednesday. day, 28°; night, 25°; rain

4 September, thu

	758 mmHg		84%
	4.3 m/s		+29

4 September, Thursday. day, 27°; night, 25°; rain

5 September, fri

	758 mmHg		84%
	4.1 m/s		+29

5 September, Friday. day, 28°; night, 25°; rain

6 September, sat

	758 mmHg		85%
	4 m/s		+29

6 September, Saturday. day, 28°; night, 25°; rain

7 September, sun

	758 mmHg		84%
	3.8 m/s		+29

7 September, Sunday. day, 28°; night, 25°; rain

8 September, mon

	758 mmHg		85%
	4.3 m/s		+29

8 September, Monday. day, 28°; night, 25°; rain

9 September, tue

	758 mmHg		85%
	4 m/s		+29

9 September, Tuesday. day, 27°; night, 25°; rain

10 September, wed

	758 mmHg		86%
	4.3 m/s		+29

10 September, Wednesday. day, 27°; night, 25°; rain

11 September, thu

	758 mmHg		85%
	4.19 m/s		+29

11 September, Thursday. day, 27°; night, 25°; rain

12 September, fri

	758 mmHg		85%
	4.3 m/s		+29

12 September, Friday. day, 28°; night, 25°; rain

13 September, sat

	758 mmHg		85%
	4.5 m/s		+29

13 September, Saturday. day, 27°; night, 25°; rain

14 September, sun

	758 mmHg		84%
	4.1 m/s		+29

14 September, Sunday. day, 28°; night, 25°; rain

15 September, mon

	758 mmHg		85%
	4.19 m/s		+29

15 September, Monday. day, 28°; night, 25°; rain

16 September, tue

	758 mmHg		85%
	4.3 m/s		+29

16 September, Tuesday. day, 27°; night, 25°; rain

17 September, wed

	758 mmHg		84%
	4.5 m/s		+29

17 September, Wednesday. day, 28°; night, 25°; rain

18 September, thu

	758 mmHg		85%
	4.3 m/s		+29

18 September, Thursday. day, 28°; night, 25°; overcast

19 September, fri

	758 mmHg		85%
	4.1 m/s		+29

19 September, Friday. day, 28°; night, 25°; rain

20 September, sat

	758 mmHg		85%
	4.1 m/s		+30

20 September, Saturday. day, 28°; night, 25°; rain

21 September, sun

	758 mmHg		84%
	3.8 m/s		+29

21 September, Sunday. day, 28°; night, 25°; rain

22 September, mon

	758 mmHg		84%
	4 m/s		+29

22 September, Monday. day, 28°; night, 25°; rain

23 September, tue

	758 mmHg		84%
	3.9 m/s		+30

23 September, Tuesday. day, 28°; night, 25°; rain

24 September, wed

	758 mmHg		84%
	4.19 m/s		+29

24 September, Wednesday. day, 28°; night, 25°; rain

25 September, thu

	758 mmHg		84%
	4.3 m/s		+29

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

26 September, fri

	758 mmHg		84%
	4.1 m/s		+29

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

27 September, sat

	758 mmHg		84%
	4 m/s		+29

27 September, Saturday. day, 28°; night, 25°; overcast

28 September, sun

	757 mmHg		83%
	4 m/s		+30

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

29 September, mon

	757 mmHg		84%
	4.1 m/s		+29

29 September, Monday. day, 28°; night, 25°; rain

30 September, tue

	758 mmHg		84%
	4.1 m/s		+29

30 September, Tuesday. day, 28°; night, 25°; rain

1 October, wed

	758 mmHg		84%
	4.5 m/s		+29

1 October, Wednesday. day, 28°; night, 25°; rain

2 October, thu

	758 mmHg		83%
	4.3 m/s		+29

2 October, Thursday. day, 28°; night, 25°; clear

3 October, fri

	758 mmHg		84%
	4.3 m/s		+30

3 October, Friday. day, 28°; night, 25°; rain

4 October, sat

	757 mmHg		84%
	4.1 m/s		+30

4 October, Saturday. day, 28°; night, 25°; rain

Average data for 10 years

Vanimo September

0

sunny days

27

days with precipitation

14

cloudy days

0 sunny days; 27 days with precipitation; 14 cloudy days;

84

%

air humidity

2.9

m/s

WindSE

262

mm of precipitation

(8% of annual average)

+29

°C

Water temperature

air humidity 84%; 262 millimeters of precipitation (8% of annual average); Wind south-easterly 2.9 Meters per second; Water temperature +29°

Weather graphs for September

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

E

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

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

Kiunga
Merauke
Wamena
Mount-Hagen
Enarotali
Goroka
Porgera
Jayapura
Anguganak

Cities with similar weather in September

Phuket
Santo Domingo
Male
Phan Thiet
Samui
Krabi
Ko Chang
Puerto Plata
Panaji

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

In September, the weather in Vanimo is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Vanimo has 27 rainy and 3 cloudy days in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Vanimo.

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