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September weather forecast in Basse-Terre

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

	755 mmHg		81%
	5.1 m/s		+29

31 August, Sunday. day, 28°; night, 26°; partly cloudy

1 September, mon

	755 mmHg		82%
	5 m/s		+29

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

2 September, tue

	755 mmHg		82%
	5.2 m/s		+29

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

3 September, wed

	755 mmHg		82%
	5.3 m/s		+29

3 September, Wednesday. day, 28°; night, 26°; partly cloudy

4 September, thu

	755 mmHg		82%
	5.5 m/s		+29

4 September, Thursday. day, 28°; night, 26°; partly cloudy

5 September, fri

	755 mmHg		81%
	5.6 m/s		+29

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

6 September, sat

	755 mmHg		82%
	5.3 m/s		+29

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

7 September, sun

	755 mmHg		82%
	5 m/s		+29

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

8 September, mon

	755 mmHg		82%
	5.2 m/s		+29

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

9 September, tue

	755 mmHg		81%
	5.2 m/s		+29

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

10 September, wed

	755 mmHg		81%
	5.2 m/s		+29

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

11 September, thu

	755 mmHg		81%
	5.4 m/s		+29

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

12 September, fri

	755 mmHg		82%
	5 m/s		+29

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

13 September, sat

	755 mmHg		82%
	5 m/s		+29

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

14 September, sun

	755 mmHg		81%
	5.4 m/s		+29

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

15 September, mon

	755 mmHg		82%
	5.4 m/s		+29

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

16 September, tue

	755 mmHg		81%
	5.1 m/s		+29

16 September, Tuesday. day, 28°; night, 26°; partly cloudy

17 September, wed

	755 mmHg		82%
	5.3 m/s		+29

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

18 September, thu

	754 mmHg		81%
	5.4 m/s		+29

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

19 September, fri

	754 mmHg		82%
	5.3 m/s		+29

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

20 September, sat

	754 mmHg		81%
	5.3 m/s		+29

20 September, Saturday. day, 28°; night, 26°; overcast

21 September, sun

	755 mmHg		81%
	5.1 m/s		+29

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

22 September, mon

	755 mmHg		81%
	5 m/s		+29

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

23 September, tue

	755 mmHg		81%
	5.3 m/s		+29

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

24 September, wed

	755 mmHg		81%
	5.3 m/s		+29

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

25 September, thu

	755 mmHg		82%
	4.9 m/s		+29

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

26 September, fri

	755 mmHg		81%
	4.69 m/s		+29

26 September, Friday. day, 28°; night, 26°; partly cloudy

27 September, sat

	755 mmHg		81%
	5 m/s		+29

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

28 September, sun

	755 mmHg		82%
	5.3 m/s		+29

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

29 September, mon

	755 mmHg		82%
	5.3 m/s		+29

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

30 September, tue

	755 mmHg		81%
	4.9 m/s		+29

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

1 October, wed

	755 mmHg		82%
	5.1 m/s		+29

1 October, Wednesday. day, 28°; night, 26°; rain

2 October, thu

	754 mmHg		82%
	5.4 m/s		+29

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

3 October, fri

	755 mmHg		82%
	5.3 m/s		+29

3 October, Friday. day, 27°; night, 26°; rain

4 October, sat

	754 mmHg		82%
	5.4 m/s		+29

4 October, Saturday. day, 27°; night, 26°; rain

Average data for 10 years

Basse-Terre September

2

sunny days

23

days with precipitation

9

cloudy days

2 sunny days; 23 days with precipitation; 9 cloudy days;

82

%

air humidity

4.1

m/s

WindE

123

mm of precipitation

(15% of annual average)

+29

°C

Water temperature

air humidity 82%; 123 millimeters of precipitation (15% of annual average); Wind easterly 4.1 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

E

E

E

E

E

E

E

E

E

E

E

SE

SE

SE

E

E

E

E

E

E

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

Charlotte Amalie
Roseau
The Valley
Saint George's
Fort-de-France
Kingstown
Road Town
Bridgetown
Gros Islet

Cities with similar weather in September

Pattaya
Santo Domingo
Varadero
Punta Cana
Havana
Ko Chang
Mumbai
Kinshasa
Boca Chica

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

September in Basse-Terre is the cloudiest and the warmest month of the year. In September, the weather in Basse-Terre is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Basse-Terre has 23 rainy, 4 partly cloudy, 2 sunny, and 1 cloudy day in September. The rains are usually heavy. September as well as January, May, June, and July is considered the most uncomfortable time to visit Basse-Terre.

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