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September weather forecast in Praia Grande

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

	706 mmHg		80%
	4 m/s		+20

31 August, Sunday. day, 24°; night, 14°; clear

1 September, mon

	706 mmHg		79%
	4.1 m/s		+21

1 September, Monday. day, 24°; night, 14°; clear

2 September, tue

	705 mmHg		79%
	3.9 m/s		+20

2 September, Tuesday. day, 24°; night, 14°; clear

3 September, wed

	705 mmHg		79%
	4.3 m/s		+20

3 September, Wednesday. day, 24°; night, 15°; clear

4 September, thu

	706 mmHg		81%
	4.4 m/s		+20

4 September, Thursday. day, 23°; night, 15°; clear

5 September, fri

	707 mmHg		83%
	4.1 m/s		+20

5 September, Friday. day, 22°; night, 14°; rain

6 September, sat

	706 mmHg		86%
	4.1 m/s		+20

6 September, Saturday. day, 21°; night, 14°; rain

7 September, sun

	706 mmHg		83%
	3.9 m/s		+20

7 September, Sunday. day, 23°; night, 15°; partly cloudy

8 September, mon

	705 mmHg		78%
	4.1 m/s		+20

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

9 September, tue

	705 mmHg		79%
	4.3 m/s		+20

9 September, Tuesday. day, 25°; night, 16°; clear

10 September, wed

	706 mmHg		80%
	4 m/s		+21

10 September, Wednesday. day, 24°; night, 15°; partly cloudy

11 September, thu

	706 mmHg		80%
	4.1 m/s		+21

11 September, Thursday. day, 24°; night, 15°; partly cloudy

12 September, fri

	706 mmHg		78%
	4.1 m/s		+21

12 September, Friday. day, 24°; night, 15°; clear

13 September, sat

	705 mmHg		79%
	4.19 m/s		+21

13 September, Saturday. day, 25°; night, 16°; clear

14 September, sun

	705 mmHg		79%
	4.6 m/s		+21

14 September, Sunday. day, 24°; night, 16°; rain

15 September, mon

	705 mmHg		83%
	4.4 m/s		+21

15 September, Monday. day, 23°; night, 15°; rain

16 September, tue

	706 mmHg		85%
	4.1 m/s		+21

16 September, Tuesday. day, 22°; night, 14°; overcast

17 September, wed

	706 mmHg		85%
	4.3 m/s		+21

17 September, Wednesday. day, 22°; night, 15°; overcast

18 September, thu

	705 mmHg		82%
	4.5 m/s		+21

18 September, Thursday. day, 24°; night, 15°; partly cloudy

19 September, fri

	705 mmHg		82%
	4.19 m/s		+21

19 September, Friday. day, 25°; night, 16°; partly cloudy

20 September, sat

	705 mmHg		84%
	4 m/s		+21

20 September, Saturday. day, 24°; night, 16°; rain

21 September, sun

	705 mmHg		86%
	4.5 m/s		+21

21 September, Sunday. day, 23°; night, 15°; rain

22 September, mon

	705 mmHg		83%
	4.1 m/s		+21

22 September, Monday. day, 23°; night, 15°; rain

23 September, tue

	705 mmHg		81%
	4.19 m/s		+21

23 September, Tuesday. day, 24°; night, 15°; rain

24 September, wed

	705 mmHg		81%
	4.5 m/s		+21

24 September, Wednesday. day, 24°; night, 15°; partly cloudy

25 September, thu

	705 mmHg		86%
	4.3 m/s		+21

25 September, Thursday. day, 21°; night, 15°; rain

26 September, fri

	705 mmHg		86%
	4 m/s		+21

26 September, Friday. day, 22°; night, 15°; rain

27 September, sat

	705 mmHg		84%
	4.4 m/s		+21

27 September, Saturday. day, 23°; night, 15°; rain

28 September, sun

	705 mmHg		84%
	4.3 m/s		+21

28 September, Sunday. day, 23°; night, 15°; rain

29 September, mon

	705 mmHg		86%
	4.1 m/s		+21

29 September, Monday. day, 22°; night, 15°; rain

30 September, tue

	705 mmHg		86%
	4 m/s		+21

30 September, Tuesday. day, 22°; night, 16°; rain

1 October, wed

	704 mmHg		83%
	4.4 m/s		+21

1 October, Wednesday. day, 24°; night, 16°; rain

2 October, thu

	704 mmHg		83%
	4.4 m/s		+21

2 October, Thursday. day, 25°; night, 16°; rain

3 October, fri

	704 mmHg		85%
	4.19 m/s		+21

3 October, Friday. day, 23°; night, 16°; rain

4 October, sat

	705 mmHg		84%
	4.1 m/s		+21

4 October, Saturday. day, 23°; night, 16°; overcast

Average data for 10 years

Praia Grande September

8

sunny days

14

days with precipitation

13

cloudy days

8 sunny days; 14 days with precipitation; 13 cloudy days;

82

%

air humidity

2.5

m/s

WindS

124

mm of precipitation

(6% of annual average)

+21

°C

Water temperature

air humidity 82%; 124 millimeters of precipitation (6% of annual average); Wind southerly 2.5 Meters per second; Water temperature +21°

Weather graphs for September

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

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S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SE

S

SE

SE

S

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

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26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Rio de Janeiro
Sao Paulo
Curitiba
Americana
Santos
Marilia
Salto
Itaquaquecetuba
Balneário Camboriú

Cities with similar weather in September

Lisbon
The Sunny Beach
Porto
Marseilles
Nesebar
Sveti Vlas
Cannes
Pula
Sozopol

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

In September, the weather in Praia Grande is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Praia Grande has 14 rainy, 8 sunny, 6 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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