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September weather forecast in Port Antonio

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

	747 mmHg		84%
	4.4 m/s		+29

31 August, Sunday. day, 28°; night, 25°; rain

1 September, mon

	747 mmHg		84%
	4.4 m/s		+29

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

2 September, tue

	747 mmHg		83%
	4.19 m/s		+29

2 September, Tuesday. day, 28°; night, 25°; clear

3 September, wed

	746 mmHg		84%
	4.19 m/s		+29

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

4 September, thu

	746 mmHg		84%
	4.1 m/s		+29

4 September, Thursday. day, 28°; night, 25°; clear

5 September, fri

	747 mmHg		84%
	4 m/s		+29

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

6 September, sat

	747 mmHg		84%
	4 m/s		+29

6 September, Saturday. day, 28°; night, 25°; partly cloudy

7 September, sun

	746 mmHg		84%
	3.9 m/s		+29

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

8 September, mon

	746 mmHg		83%
	4.19 m/s		+29

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

9 September, tue

	746 mmHg		84%
	4.3 m/s		+29

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

10 September, wed

	747 mmHg		84%
	4.69 m/s		+29

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

11 September, thu

	747 mmHg		83%
	4.6 m/s		+29

11 September, Thursday. day, 28°; night, 25°; clear

12 September, fri

	746 mmHg		84%
	4.1 m/s		+29

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

13 September, sat

	746 mmHg		84%
	4.19 m/s		+29

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

14 September, sun

	746 mmHg		83%
	4.1 m/s		+29

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

15 September, mon

	747 mmHg		84%
	4 m/s		+29

15 September, Monday. day, 28°; night, 25°; partly cloudy

16 September, tue

	747 mmHg		85%
	4.1 m/s		+29

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

17 September, wed

	746 mmHg		85%
	4.3 m/s		+29

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

18 September, thu

	746 mmHg		84%
	3.9 m/s		+29

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

19 September, fri

	746 mmHg		84%
	3.9 m/s		+29

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

20 September, sat

	746 mmHg		83%
	3.7 m/s		+29

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

21 September, sun

	746 mmHg		83%
	3.8 m/s		+29

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

22 September, mon

	746 mmHg		85%
	3.9 m/s		+29

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

23 September, tue

	746 mmHg		84%
	4.19 m/s		+29

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

24 September, wed

	746 mmHg		85%
	4.5 m/s		+29

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

25 September, thu

	746 mmHg		84%
	4.4 m/s		+29

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

26 September, fri

	746 mmHg		84%
	4.3 m/s		+29

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

27 September, sat

	746 mmHg		84%
	4 m/s		+29

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

28 September, sun

	746 mmHg		85%
	4.19 m/s		+29

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

29 September, mon

	746 mmHg		85%
	4.5 m/s		+29

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

30 September, tue

	746 mmHg		86%
	4.6 m/s		+29

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

1 October, wed

	746 mmHg		86%
	4.5 m/s		+29

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

2 October, thu

	746 mmHg		86%
	4.3 m/s		+29

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

3 October, fri

	746 mmHg		86%
	4.3 m/s		+29

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

4 October, sat

	746 mmHg		86%
	4.3 m/s		+29

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

Average data for 10 years

Port Antonio September

4

sunny days

24

days with precipitation

8

cloudy days

4 sunny days; 24 days with precipitation; 8 cloudy days;

84

%

air humidity

2.9

m/s

WindE

137

mm of precipitation

(10% of annual average)

+29

°C

Water temperature

air humidity 84%; 137 millimeters of precipitation (10% of annual average); Wind easterly 2.9 Meters per second; Water temperature +29°

Weather graphs for September

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

E

E

E

E

E

E

E

SE

E

E

E

E

SE

E

E

E

E

E

E

E

E

SE

SE

SE

SE

E

E

E

E

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

Camagüey
Santiago de Cuba
Cayman Brac
Kingston
Falmouth
Holguin
Montego Bay
White House Bay
Negril

Cities with similar weather in September

Phuket
Goa
Male
Phan Thiet
Samui
Netanya
Colombo
Phú Quốc
Krabi

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

In September, the weather in Port Antonio is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Port Antonio has 24 rainy, 4 sunny, and 2 partly cloudy days in September. The rains are usually heavy. September as well as January, March, April, and May is considered the most uncomfortable time to visit Port Antonio.

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