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September weather forecast in Chetumal

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

	756 mmHg		84%
	3.3 m/s		+30

31 August, Sunday. day, 32°; night, 25°; rain

1 September, mon

	756 mmHg		84%
	3.4 m/s		+30

1 September, Monday. day, 32°; night, 25°; rain

2 September, tue

	756 mmHg		85%
	3.3 m/s		+31

2 September, Tuesday. day, 32°; night, 25°; rain

3 September, wed

	756 mmHg		85%
	3.3 m/s		+31

3 September, Wednesday. day, 32°; night, 25°; rain

4 September, thu

	756 mmHg		84%
	3.3 m/s		+30

4 September, Thursday. day, 32°; night, 24°; clear

5 September, fri

	756 mmHg		84%
	3.4 m/s		+30

5 September, Friday. day, 32°; night, 24°; clear

6 September, sat

	756 mmHg		84%
	3.2 m/s		+30

6 September, Saturday. day, 32°; night, 24°; rain

7 September, sun

	756 mmHg		84%
	3.1 m/s		+30

7 September, Sunday. day, 32°; night, 24°; rain

8 September, mon

	756 mmHg		83%
	3.3 m/s		+31

8 September, Monday. day, 32°; night, 25°; partly cloudy

9 September, tue

	755 mmHg		83%
	3.2 m/s		+31

9 September, Tuesday. day, 32°; night, 24°; rain

10 September, wed

	756 mmHg		83%
	3.2 m/s		+30

10 September, Wednesday. day, 32°; night, 25°; rain

11 September, thu

	756 mmHg		84%
	3.2 m/s		+31

11 September, Thursday. day, 32°; night, 24°; rain

12 September, fri

	756 mmHg		85%
	3.3 m/s		+30

12 September, Friday. day, 32°; night, 24°; rain

13 September, sat

	756 mmHg		84%
	3.3 m/s		+30

13 September, Saturday. day, 32°; night, 25°; rain

14 September, sun

	756 mmHg		84%
	3.2 m/s		+30

14 September, Sunday. day, 32°; night, 25°; rain

15 September, mon

	756 mmHg		83%
	3.4 m/s		+30

15 September, Monday. day, 32°; night, 25°; partly cloudy

16 September, tue

	756 mmHg		84%
	3.3 m/s		+30

16 September, Tuesday. day, 32°; night, 25°; rain

17 September, wed

	756 mmHg		84%
	3 m/s		+30

17 September, Wednesday. day, 32°; night, 25°; rain

18 September, thu

	756 mmHg		85%
	3.1 m/s		+30

18 September, Thursday. day, 32°; night, 24°; rain

19 September, fri

	756 mmHg		85%
	3.1 m/s		+30

19 September, Friday. day, 32°; night, 24°; rain

20 September, sat

	756 mmHg		84%
	3.1 m/s		+30

20 September, Saturday. day, 32°; night, 24°; rain

21 September, sun

	755 mmHg		84%
	3.1 m/s		+30

21 September, Sunday. day, 32°; night, 24°; rain

22 September, mon

	755 mmHg		84%
	3.2 m/s		+30

22 September, Monday. day, 32°; night, 24°; rain

23 September, tue

	755 mmHg		86%
	3 m/s		+29

23 September, Tuesday. day, 31°; night, 24°; rain

24 September, wed

	755 mmHg		86%
	3 m/s		+29

24 September, Wednesday. day, 31°; night, 24°; rain

25 September, thu

	755 mmHg		87%
	3.1 m/s		+30

25 September, Thursday. day, 31°; night, 24°; rain

26 September, fri

	755 mmHg		87%
	3.1 m/s		+30

26 September, Friday. day, 31°; night, 24°; rain

27 September, sat

	755 mmHg		86%
	3 m/s		+30

27 September, Saturday. day, 31°; night, 24°; rain

28 September, sun

	755 mmHg		86%
	2.9 m/s		+30

28 September, Sunday. day, 31°; night, 24°; rain

29 September, mon

	755 mmHg		86%
	2.9 m/s		+30

29 September, Monday. day, 31°; night, 24°; rain

30 September, tue

	755 mmHg		86%
	2.8 m/s		+29

30 September, Tuesday. day, 31°; night, 24°; rain

1 October, wed

	755 mmHg		85%
	3.1 m/s		+30

1 October, Wednesday. day, 31°; night, 24°; rain

2 October, thu

	755 mmHg		85%
	3.2 m/s		+30

2 October, Thursday. day, 31°; night, 24°; rain

3 October, fri

	755 mmHg		85%
	3.4 m/s		+30

3 October, Friday. day, 31°; night, 24°; rain

4 October, sat

	755 mmHg		85%
	3.4 m/s		+30

4 October, Saturday. day, 31°; night, 24°; rain

Average data for 10 years

Chetumal September

2

sunny days

26

days with precipitation

12

cloudy days

2 sunny days; 26 days with precipitation; 12 cloudy days;

85

%

air humidity

2

m/s

WindSE

177

mm of precipitation

(16% of annual average)

+30

°C

Water temperature

air humidity 85%; 177 millimeters of precipitation (16% of annual average); Wind south-easterly 2 Meters per second; Water temperature +30°

Weather graphs for September

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

E

E

E

E

SE

E

E

SE

SE

SE

SE

SE

SE

SE

SE

E

E

E

E

SE

SE

SE

SE

SE

SE

SE

SE

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

Cancun
Playa del Carmen
Tulum
Tikal
Belize City
Mérida
Flores
Playa Del Carmen
Belmopan

Cities with similar weather in September

Pattaya
Nha Trang
Sanya
Hurgada
Bangkok
Santo Domingo
Varadero
Havana
Ko Chang

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

September in Chetumal is the rainiest and the cloudiest month of the year. In September, the weather in Chetumal is typically hot. Average daily high temperature in September is about 32 degrees above zero. On average, Chetumal has 26 rainy, 2 sunny, and 2 partly cloudy 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 Chetumal.

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