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September weather forecast in Fortaleza

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

	760 mmHg		78%
	9.5 m/s		+27

31 August, Sunday. day, 27°; night, 25°; clear

1 September, mon

	760 mmHg		77%
	9.3 m/s		+27

1 September, Monday. day, 27°; night, 25°; clear

2 September, tue

	759 mmHg		78%
	9.3 m/s		+27

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

3 September, wed

	759 mmHg		78%
	9.3 m/s		+27

3 September, Wednesday. day, 27°; night, 25°; clear

4 September, thu

	760 mmHg		78%
	9.3 m/s		+27

4 September, Thursday. day, 27°; night, 25°; clear

5 September, fri

	760 mmHg		78%
	9.3 m/s		+27

5 September, Friday. day, 27°; night, 25°; clear

6 September, sat

	760 mmHg		78%
	9.2 m/s		+27

6 September, Saturday. day, 27°; night, 25°; clear

7 September, sun

	759 mmHg		77%
	9.3 m/s		+27

7 September, Sunday. day, 27°; night, 25°; clear

8 September, mon

	759 mmHg		77%
	9.39 m/s		+27

8 September, Monday. day, 27°; night, 25°; clear

9 September, tue

	759 mmHg		78%
	9.6 m/s		+27

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

10 September, wed

	760 mmHg		78%
	9.5 m/s		+27

10 September, Wednesday. day, 27°; night, 25°; clear

11 September, thu

	759 mmHg		78%
	9.6 m/s		+27

11 September, Thursday. day, 27°; night, 25°; clear

12 September, fri

	759 mmHg		78%
	9.39 m/s		+27

12 September, Friday. day, 27°; night, 25°; clear

13 September, sat

	759 mmHg		78%
	9.39 m/s		+27

13 September, Saturday. day, 27°; night, 25°; clear

14 September, sun

	759 mmHg		79%
	9.39 m/s		+27

14 September, Sunday. day, 27°; night, 25°; clear

15 September, mon

	760 mmHg		79%
	9.6 m/s		+27

15 September, Monday. day, 27°; night, 25°; clear

16 September, tue

	759 mmHg		80%
	9.39 m/s		+27

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

17 September, wed

	759 mmHg		80%
	9.3 m/s		+27

17 September, Wednesday. day, 27°; night, 25°; rain

18 September, thu

	759 mmHg		80%
	9.3 m/s		+27

18 September, Thursday. day, 27°; night, 25°; clear

19 September, fri

	759 mmHg		79%
	9.3 m/s		+27

19 September, Friday. day, 27°; night, 25°; clear

20 September, sat

	759 mmHg		79%
	9.39 m/s		+27

20 September, Saturday. day, 27°; night, 25°; clear

21 September, sun

	759 mmHg		78%
	9.3 m/s		+27

21 September, Sunday. day, 27°; night, 25°; clear

22 September, mon

	759 mmHg		80%
	9.1 m/s		+27

22 September, Monday. day, 26°; night, 25°; rain

23 September, tue

	759 mmHg		79%
	9.2 m/s		+27

23 September, Tuesday. day, 26°; night, 25°; clear

24 September, wed

	759 mmHg		79%
	9.2 m/s		+27

24 September, Wednesday. day, 26°; night, 25°; clear

25 September, thu

	759 mmHg		79%
	9.2 m/s		+27

25 September, Thursday. day, 27°; night, 25°; clear

26 September, fri

	759 mmHg		79%
	9.39 m/s		+27

26 September, Friday. day, 27°; night, 25°; partly cloudy

27 September, sat

	759 mmHg		79%
	9.3 m/s		+27

27 September, Saturday. day, 27°; night, 25°; clear

28 September, sun

	759 mmHg		80%
	9.3 m/s		+27

28 September, Sunday. day, 27°; night, 25°; clear

29 September, mon

	759 mmHg		80%
	9.3 m/s		+27

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

30 September, tue

	759 mmHg		79%
	9.2 m/s		+27

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

1 October, wed

	759 mmHg		79%
	9.3 m/s		+27

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

2 October, thu

	759 mmHg		79%
	9.39 m/s		+27

2 October, Thursday. day, 27°; night, 25°; clear

3 October, fri

	759 mmHg		80%
	9.2 m/s		+27

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

4 October, sat

	759 mmHg		80%
	9 m/s		+27

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

Average data for 10 years

Fortaleza September

26

sunny days

3

days with precipitation

1

cloudy day

26 sunny days; 3 days with precipitation; 1 cloudy day;

79

%

air humidity

8.5

m/s

WindE

11

mm of precipitation

(1% of annual average)

+27

°C

Water temperature

air humidity 79%; 11 millimeters of precipitation (1% of annual average); Wind easterly 8.5 Meters per second; Water temperature +27°

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

E

E

E

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

Areia Branca
Pentecoste
Juazeiro do Norte
Caucaia
São Gonçalo do Amarante
Jijoca de Jericoacoara
Crato
Aracati

Cities with similar weather in September

Los Angeles
Rio de Janeiro
Torrevieja
Agadir
Victoria
Rabat
Bali
Algiers
Beirut

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

September in Fortaleza is the windiest, the sunniest, and the coldest month of the year. In September, the weather in Fortaleza is typically warm. Average daily high temperature in September is about 27 degrees above zero. On average, Fortaleza has 26 sunny, 3 rainy, and 1 partly cloudy day in September. The rains are usually light. September as well as October is considered the most comfortable time to visit Fortaleza.

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