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September weather forecast in Ubatuba

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

	685 mmHg		75%
	3 m/s		+21

31 August, Sunday. day, 24°; night, 15°; clear

1 September, mon

	685 mmHg		74%
	3.1 m/s		+21

1 September, Monday. day, 24°; night, 15°; clear

2 September, tue

	684 mmHg		74%
	3.1 m/s		+21

2 September, Tuesday. day, 24°; night, 15°; clear

3 September, wed

	684 mmHg		74%
	3 m/s		+21

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

4 September, thu

	685 mmHg		75%
	3.3 m/s		+21

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

5 September, fri

	685 mmHg		77%
	3.2 m/s		+21

5 September, Friday. day, 23°; night, 15°; partly cloudy

6 September, sat

	685 mmHg		79%
	3.3 m/s		+21

6 September, Saturday. day, 22°; night, 15°; rain

7 September, sun

	685 mmHg		78%
	3.1 m/s		+21

7 September, Sunday. day, 23°; night, 15°; clear

8 September, mon

	684 mmHg		74%
	3 m/s		+21

8 September, Monday. day, 25°; night, 16°; clear

9 September, tue

	684 mmHg		73%
	3.1 m/s		+21

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

10 September, wed

	685 mmHg		75%
	3 m/s		+21

10 September, Wednesday. day, 25°; night, 16°; clear

11 September, thu

	684 mmHg		75%
	3.1 m/s		+21

11 September, Thursday. day, 24°; night, 16°; clear

12 September, fri

	684 mmHg		73%
	3.1 m/s		+21

12 September, Friday. day, 24°; night, 16°; clear

13 September, sat

	684 mmHg		74%
	3.2 m/s		+21

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

14 September, sun

	684 mmHg		74%
	3.3 m/s		+21

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

15 September, mon

	684 mmHg		77%
	3.4 m/s		+22

15 September, Monday. day, 23°; night, 16°; rain

16 September, tue

	684 mmHg		80%
	3.5 m/s		+22

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

17 September, wed

	684 mmHg		79%
	3.3 m/s		+21

17 September, Wednesday. day, 23°; night, 15°; rain

18 September, thu

	684 mmHg		78%
	3.5 m/s		+22

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

19 September, fri

	684 mmHg		76%
	3.3 m/s		+22

19 September, Friday. day, 25°; night, 16°; clear

20 September, sat

	684 mmHg		77%
	3.1 m/s		+22

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

21 September, sun

	683 mmHg		80%
	3.5 m/s		+22

21 September, Sunday. day, 23°; night, 16°; rain

22 September, mon

	684 mmHg		78%
	3.2 m/s		+22

22 September, Monday. day, 23°; night, 16°; rain

23 September, tue

	684 mmHg		75%
	3.3 m/s		+21

23 September, Tuesday. day, 24°; night, 15°; partly cloudy

24 September, wed

	683 mmHg		77%
	3.3 m/s		+22

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

25 September, thu

	684 mmHg		82%
	3.2 m/s		+22

25 September, Thursday. day, 22°; night, 15°; rain

26 September, fri

	684 mmHg		82%
	3.1 m/s		+22

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

27 September, sat

	684 mmHg		80%
	3.3 m/s		+22

27 September, Saturday. day, 23°; night, 16°; rain

28 September, sun

	684 mmHg		81%
	3.5 m/s		+22

28 September, Sunday. day, 23°; night, 16°; overcast

29 September, mon

	684 mmHg		82%
	3.3 m/s		+21

29 September, Monday. day, 23°; night, 16°; rain

30 September, tue

	684 mmHg		82%
	3.3 m/s		+21

30 September, Tuesday. day, 23°; night, 16°; rain

1 October, wed

	683 mmHg		80%
	3.2 m/s		+21

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

2 October, thu

	683 mmHg		79%
	3.3 m/s		+21

2 October, Thursday. day, 25°; night, 17°; rain

3 October, fri

	683 mmHg		81%
	3.1 m/s		+21

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

4 October, sat

	683 mmHg		82%
	3.2 m/s		+21

4 October, Saturday. day, 23°; night, 16°; partly cloudy

Average data for 10 years

Ubatuba September

12

sunny days

13

days with precipitation

9

cloudy days

12 sunny days; 13 days with precipitation; 9 cloudy days;

77

%

air humidity

2.09

m/s

WindSE

89

mm of precipitation

(6% of annual average)

+21

°C

Water temperature

air humidity 77%; 89 millimeters of precipitation (6% of annual average); Wind south-easterly 2.09 Meters per second; Water temperature +21°

Weather graphs for September

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

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Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Rio de Janeiro
Sao Paulo
Belo Horizonte
Americana
Santos
Buzios
Rio das Ostras
Araruama
Salto

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.

September in Ubatuba is the windiest month of the year. In September, the weather in Ubatuba is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Ubatuba has 13 rainy, 12 sunny, 4 partly cloudy, and 1 cloudy day in September. The rains are usually heavy.

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