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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

	785 mmHg		81%
	5 m/s		+29

31 August, Sunday. day, 28°; night, 26°; rain

1 September, mon

	785 mmHg		80%
	5 m/s		+29

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

2 September, tue

	784 mmHg		81%
	5.1 m/s		+29

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

3 September, wed

	785 mmHg		81%
	4.9 m/s		+29

3 September, Wednesday. day, 27°; night, 26°; clear

4 September, thu

	784 mmHg		81%
	3.5 m/s		+29

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

5 September, fri

	785 mmHg		81%
	4.3 m/s		+29

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

6 September, sat

	784 mmHg		80%
	4.5 m/s		+29

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

7 September, sun

	784 mmHg		81%
	4.4 m/s		+29

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

8 September, mon

	784 mmHg		81%
	5.5 m/s		+29

8 September, Monday. day, 27°; night, 26°; rain

9 September, tue

	784 mmHg		80%
	5.9 m/s		+29

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

10 September, wed

	785 mmHg		80%
	5 m/s		+29

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

11 September, thu

	785 mmHg		81%
	4.3 m/s		+29

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

12 September, fri

	784 mmHg		81%
	4.4 m/s		+29

12 September, Friday. day, 27°; night, 26°; rain

13 September, sat

	784 mmHg		81%
	4.3 m/s		+29

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

14 September, sun

	785 mmHg		81%
	4.5 m/s		+29

14 September, Sunday. day, 28°; night, 26°; rain

15 September, mon

	785 mmHg		83%
	4.9 m/s		+29

15 September, Monday. day, 27°; night, 26°; rain

16 September, tue

	784 mmHg		82%
	4.3 m/s		+29

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

17 September, wed

	784 mmHg		81%
	4.5 m/s		+29

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

18 September, thu

	784 mmHg		80%
	4 m/s		+29

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

19 September, fri

	784 mmHg		80%
	3.7 m/s		+29

19 September, Friday. day, 28°; night, 26°; clear

20 September, sat

	784 mmHg		81%
	4.4 m/s		+29

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

21 September, sun

	784 mmHg		81%
	4.5 m/s		+29

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

22 September, mon

	784 mmHg		80%
	5 m/s		+29

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

23 September, tue

	784 mmHg		81%
	5 m/s		+29

23 September, Tuesday. day, 28°; night, 26°; rain

24 September, wed

	784 mmHg		82%
	4.6 m/s		+29

24 September, Wednesday. day, 27°; night, 26°; rain

25 September, thu

	784 mmHg		81%
	4.9 m/s		+29

25 September, Thursday. day, 27°; night, 26°; rain

26 September, fri

	784 mmHg		81%
	5 m/s		+29

26 September, Friday. day, 27°; night, 26°; rain

27 September, sat

	784 mmHg		83%
	5 m/s		+29

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

28 September, sun

	783 mmHg		83%
	5.4 m/s		+29

28 September, Sunday. day, 27°; night, 26°; clear

29 September, mon

	784 mmHg		85%
	6 m/s		+29

29 September, Monday. day, 27°; night, 25°; rain

30 September, tue

	783 mmHg		83%
	5.8 m/s		+29

30 September, Tuesday. day, 27°; night, 25°; clear

1 October, wed

	783 mmHg		82%
	5.9 m/s		+29

1 October, Wednesday. day, 27°; night, 25°; clear

2 October, thu

	783 mmHg		82%
	5.4 m/s		+29

2 October, Thursday. day, 27°; night, 26°; rain

3 October, fri

	783 mmHg		82%
	4.5 m/s		+29

3 October, Friday. day, 27°; night, 25°; rain

4 October, sat

	783 mmHg		81%
	5 m/s		+29

4 October, Saturday. day, 27°; night, 25°; rain

Average data for 10 years

Port Antonio September

9

sunny days

21

days with precipitation

0

cloudy days

9 sunny days; 21 days with precipitation; 0 cloudy days;

81

%

air humidity

3.5

m/s

WindE

397

mm of precipitation

(10% of annual average)

+29

°C

Water temperature

air humidity 81%; 397 millimeters of precipitation (10% of annual average); Wind easterly 3.5 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

SE

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

SE

E

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

Camagüey
Baracoa
Kingston
Santiago de Cuba
Cayman Brac
Negril
Moa
Holguin
Montego Bay

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.

September in Port Antonio is the warmest month of the year. 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 21 rainy and 9 sunny days in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit Port Antonio.

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