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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

30 August, sun

	749 mmHg		68%
	6.5 m/s		+24

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

31 August, mon

	748 mmHg		72%
	7 m/s		+23

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

1 September, tue

	748 mmHg		69%
	6.9 m/s		+23

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

2 September, wed

	748 mmHg		68%
	6.8 m/s		+23

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

3 September, thu

	748 mmHg		72%
	6.6 m/s		+23

3 September, Thursday. day, 23°; night, 21°; partly cloudy

4 September, fri

	748 mmHg		68%
	6.5 m/s		+23

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

5 September, sat

	749 mmHg		67%
	6.8 m/s		+23

5 September, Saturday. day, 23°; night, 21°; partly cloudy

6 September, sun

	749 mmHg		67%
	7.1 m/s		+23

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

7 September, mon

	749 mmHg		68%
	6.5 m/s		+23

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

8 September, tue

	749 mmHg		68%
	6.3 m/s		+23

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

9 September, wed

	749 mmHg		69%
	6.5 m/s		+24

9 September, Wednesday. day, 23°; night, 22°; partly cloudy

10 September, thu

	748 mmHg		68%
	6 m/s		+24

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

11 September, fri

	748 mmHg		66%
	6 m/s		+24

11 September, Friday. day, 23°; night, 22°; clear

12 September, sat

	748 mmHg		68%
	5.9 m/s		+24

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

13 September, sun

	748 mmHg		68%
	6.1 m/s		+23

13 September, Sunday. day, 22°; night, 21°; clear

14 September, mon

	748 mmHg		68%
	5.9 m/s		+23

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

15 September, tue

	747 mmHg		67%
	6.1 m/s		+23

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

16 September, wed

	747 mmHg		69%
	6 m/s		+24

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

17 September, thu

	748 mmHg		70%
	7 m/s		+23

17 September, Thursday. day, 23°; night, 22°; clear

18 September, fri

	748 mmHg		70%
	6.9 m/s		+24

18 September, Friday. day, 23°; night, 22°; partly cloudy

19 September, sat

	748 mmHg		74%
	6.8 m/s		+23

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

20 September, sun

	748 mmHg		70%
	6.9 m/s		+23

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

21 September, mon

	748 mmHg		68%
	6.3 m/s		+23

21 September, Monday. day, 23°; night, 21°; rain

22 September, tue

	748 mmHg		68%
	5.5 m/s		+24

22 September, Tuesday. day, 23°; night, 22°; clear

23 September, wed

	748 mmHg		67%
	5.1 m/s		+24

23 September, Wednesday. day, 24°; night, 22°; clear

24 September, thu

	747 mmHg		68%
	5.3 m/s		+24

24 September, Thursday. day, 24°; night, 22°; clear

25 September, fri

	748 mmHg		72%
	6.3 m/s		+24

25 September, Friday. day, 24°; night, 22°; clear

26 September, sat

	748 mmHg		69%
	6.5 m/s		+24

26 September, Saturday. day, 24°; night, 22°; clear

27 September, sun

	748 mmHg		68%
	6 m/s		+24

27 September, Sunday. day, 24°; night, 22°; clear

28 September, mon

	748 mmHg		69%
	6 m/s		+24

28 September, Monday. day, 24°; night, 22°; clear

29 September, tue

	748 mmHg		68%
	6.3 m/s		+24

29 September, Tuesday. day, 24°; night, 22°; clear

30 September, wed

	747 mmHg		66%
	6.5 m/s		+24

30 September, Wednesday. day, 24°; night, 22°; clear

1 October, thu

	747 mmHg		70%
	6.6 m/s		+24

1 October, Thursday. day, 23°; night, 22°; partly cloudy

2 October, fri

	747 mmHg		68%
	5.9 m/s		+24

2 October, Friday. day, 24°; night, 22°; partly cloudy

3 October, sat

	747 mmHg		68%
	6.4 m/s		+24

3 October, Saturday. day, 24°; night, 22°; clear

Average data for 10 years

Port Louis September

20

sunny days

1

day with precipitation

9

cloudy days

20 sunny days; 1 day with precipitation; 9 cloudy days;

68

%

air humidity

5.3

m/s

WindE

25

mm of precipitation

(4% of annual average)

+24

°C

Water temperature

air humidity 68%; 25 millimeters of precipitation (4% of annual average); Wind easterly 5.3 Meters per second; Water temperature +24°

Weather graphs for September

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

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E

SE

SE

SE

SE

SE

E

SE

E

E

E

SE

E

SE

E

SE

E

E

E

E

E

E

E

E

E

E

E

E

E

1

Average data for 10 years

2

3

4

5

6

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8

9

10

11

12

13

14

15

16

17

18

19

20

21

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23

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25

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27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

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

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 20 sunny, 9 partly cloudy, and 1 rainy day in September. The rains are usually light. September as well as July and October is considered the most comfortable time to visit Port Louis.

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