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September weather forecast in Port Louis

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

	766 mmHg		72%
	8.1 m/s		+23

31 August, Sunday. day, 23°; night, 21°; clear

1 September, mon

	766 mmHg		73%
	8.3 m/s		+23

1 September, Monday. day, 23°; night, 21°; clear

2 September, tue

	766 mmHg		73%
	8.39 m/s		+23

2 September, Tuesday. day, 23°; night, 21°; clear

3 September, wed

	766 mmHg		73%
	8 m/s		+23

3 September, Wednesday. day, 23°; night, 21°; clear

4 September, thu

	765 mmHg		73%
	8.1 m/s		+23

4 September, Thursday. day, 23°; night, 21°; clear

5 September, fri

	765 mmHg		73%
	8.1 m/s		+23

5 September, Friday. day, 23°; night, 21°; clear

6 September, sat

	765 mmHg		73%
	7.9 m/s		+23

6 September, Saturday. day, 23°; night, 21°; clear

7 September, sun

	765 mmHg		73%
	7.9 m/s		+23

7 September, Sunday. day, 23°; night, 21°; clear

8 September, mon

	766 mmHg		73%
	7.8 m/s		+23

8 September, Monday. day, 23°; night, 21°; clear

9 September, tue

	766 mmHg		72%
	8.2 m/s		+24

9 September, Tuesday. day, 23°; night, 21°; clear

10 September, wed

	766 mmHg		72%
	8 m/s		+24

10 September, Wednesday. day, 23°; night, 21°; partly cloudy

11 September, thu

	765 mmHg		73%
	7.6 m/s		+24

11 September, Thursday. day, 23°; night, 21°; clear

12 September, fri

	765 mmHg		74%
	7.6 m/s		+24

12 September, Friday. day, 23°; night, 21°; clear

13 September, sat

	765 mmHg		74%
	7.7 m/s		+23

13 September, Saturday. day, 23°; night, 21°; rain

14 September, sun

	765 mmHg		72%
	7.8 m/s		+23

14 September, Sunday. day, 23°; night, 21°; clear

15 September, mon

	765 mmHg		72%
	7.7 m/s		+23

15 September, Monday. day, 23°; night, 21°; partly cloudy

16 September, tue

	765 mmHg		72%
	7.9 m/s		+24

16 September, Tuesday. day, 23°; night, 21°; partly cloudy

17 September, wed

	765 mmHg		73%
	8 m/s		+23

17 September, Wednesday. day, 23°; night, 21°; rain

18 September, thu

	765 mmHg		73%
	8 m/s		+24

18 September, Thursday. day, 23°; night, 21°; rain

19 September, fri

	765 mmHg		74%
	8.1 m/s		+23

19 September, Friday. day, 23°; night, 21°; rain

20 September, sat

	765 mmHg		73%
	7.5 m/s		+23

20 September, Saturday. day, 23°; night, 21°; clear

21 September, sun

	765 mmHg		73%
	8 m/s		+23

21 September, Sunday. day, 23°; night, 21°; partly cloudy

22 September, mon

	765 mmHg		73%
	7.9 m/s		+24

22 September, Monday. day, 23°; night, 21°; partly cloudy

23 September, tue

	765 mmHg		73%
	7.7 m/s		+24

23 September, Tuesday. day, 23°; night, 21°; clear

24 September, wed

	765 mmHg		73%
	7.4 m/s		+24

24 September, Wednesday. day, 23°; night, 21°; clear

25 September, thu

	765 mmHg		75%
	7.3 m/s		+24

25 September, Thursday. day, 23°; night, 21°; clear

26 September, fri

	765 mmHg		75%
	7.8 m/s		+24

26 September, Friday. day, 23°; night, 21°; rain

27 September, sat

	765 mmHg		74%
	8.5 m/s		+24

27 September, Saturday. day, 23°; night, 21°; clear

28 September, sun

	765 mmHg		73%
	8.2 m/s		+24

28 September, Sunday. day, 23°; night, 21°; partly cloudy

29 September, mon

	765 mmHg		73%
	7.8 m/s		+24

29 September, Monday. day, 23°; night, 21°; clear

30 September, tue

	765 mmHg		73%
	7.5 m/s		+24

30 September, Tuesday. day, 23°; night, 21°; clear

1 October, wed

	765 mmHg		72%
	7.5 m/s		+24

1 October, Wednesday. day, 23°; night, 21°; clear

2 October, thu

	765 mmHg		74%
	7.7 m/s		+24

2 October, Thursday. day, 23°; night, 21°; clear

3 October, fri

	765 mmHg		73%
	7.6 m/s		+24

3 October, Friday. day, 23°; night, 21°; clear

4 October, sat

	765 mmHg		74%
	7.6 m/s		+24

4 October, Saturday. day, 24°; night, 21°; clear

Average data for 10 years

Port Louis September

19

sunny days

5

days with precipitation

6

cloudy days

19 sunny days; 5 days with precipitation; 6 cloudy days;

73

%

air humidity

6.7

m/s

WindE

22

mm of precipitation

(3% of annual average)

+24

°C

Water temperature

air humidity 73%; 22 millimeters of precipitation (3% of annual average); Wind easterly 6.7 Meters per second; Water temperature +24°

Weather graphs for September

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

SE

E

E

SE

SE

E

E

E

SE

E

E

E

SE

SE

SE

SE

E

SE

E

E

E

E

E

E

E

E

SE

E

E

E

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

Antananarivo
Grand Baie
Flic-en-Flac
Toamasina
Bel-Ombre
Blue Bay
Rodrigues Island
Cilaos
Mahebourg

Cities with similar weather in September

Batumi
Lisbon
Nice
Kobuleti
Porto
Kos
Santa Cruz de Tenerife
Funchal
Las Palmas de Gran Canaria

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

In September, the weather in Port Louis is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Port Louis has 19 sunny, 6 partly cloudy, and 5 rainy days in September. The rains are usually light. September as well as June, July, August, and October is considered the most comfortable time to visit Port Louis.

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