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September weather forecast in Nova Iguaçu

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

	751 mmHg		75%
	3.7 m/s		+20

31 August, Sunday. day, 26°; night, 18°; rain

1 September, mon

	750 mmHg		74%
	3.5 m/s		+21

1 September, Monday. day, 26°; night, 18°; clear

2 September, tue

	750 mmHg		74%
	3.7 m/s		+21

2 September, Tuesday. day, 26°; night, 18°; clear

3 September, wed

	750 mmHg		73%
	3.7 m/s		+21

3 September, Wednesday. day, 27°; night, 18°; clear

4 September, thu

	750 mmHg		75%
	3.7 m/s		+21

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

5 September, fri

	751 mmHg		76%
	3.7 m/s		+21

5 September, Friday. day, 25°; night, 18°; partly cloudy

6 September, sat

	751 mmHg		78%
	3.4 m/s		+21

6 September, Saturday. day, 24°; night, 18°; rain

7 September, sun

	750 mmHg		77%
	3.6 m/s		+21

7 September, Sunday. day, 25°; night, 18°; partly cloudy

8 September, mon

	750 mmHg		74%
	3.8 m/s		+21

8 September, Monday. day, 27°; night, 18°; clear

9 September, tue

	749 mmHg		71%
	3.6 m/s		+21

9 September, Tuesday. day, 28°; night, 19°; clear

10 September, wed

	750 mmHg		75%
	3.8 m/s		+21

10 September, Wednesday. day, 27°; night, 19°; clear

11 September, thu

	750 mmHg		75%
	3.5 m/s		+21

11 September, Thursday. day, 26°; night, 19°; clear

12 September, fri

	750 mmHg		72%
	3.6 m/s		+21

12 September, Friday. day, 26°; night, 19°; clear

13 September, sat

	749 mmHg		72%
	3.8 m/s		+21

13 September, Saturday. day, 27°; night, 19°; clear

14 September, sun

	749 mmHg		74%
	3.9 m/s		+21

14 September, Sunday. day, 27°; night, 19°; rain

15 September, mon

	750 mmHg		77%
	3.8 m/s		+21

15 September, Monday. day, 26°; night, 19°; rain

16 September, tue

	750 mmHg		79%
	3.8 m/s		+21

16 September, Tuesday. day, 25°; night, 19°; rain

17 September, wed

	750 mmHg		78%
	3.6 m/s		+21

17 September, Wednesday. day, 25°; night, 18°; rain

18 September, thu

	750 mmHg		78%
	3.6 m/s		+21

18 September, Thursday. day, 26°; night, 18°; partly cloudy

19 September, fri

	749 mmHg		76%
	3.5 m/s		+21

19 September, Friday. day, 27°; night, 19°; partly cloudy

20 September, sat

	749 mmHg		76%
	3.7 m/s		+21

20 September, Saturday. day, 27°; night, 19°; partly cloudy

21 September, sun

	749 mmHg		78%
	4 m/s		+21

21 September, Sunday. day, 26°; night, 19°; rain

22 September, mon

	749 mmHg		78%
	3.7 m/s		+21

22 September, Monday. day, 25°; night, 18°; rain

23 September, tue

	749 mmHg		75%
	3.5 m/s		+21

23 September, Tuesday. day, 26°; night, 18°; partly cloudy

24 September, wed

	749 mmHg		75%
	4 m/s		+21

24 September, Wednesday. day, 27°; night, 18°; clear

25 September, thu

	750 mmHg		79%
	3.8 m/s		+21

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

26 September, fri

	750 mmHg		79%
	3.5 m/s		+21

26 September, Friday. day, 25°; night, 18°; rain

27 September, sat

	749 mmHg		78%
	3.5 m/s		+21

27 September, Saturday. day, 26°; night, 18°; rain

28 September, sun

	750 mmHg		78%
	3.3 m/s		+21

28 September, Sunday. day, 25°; night, 19°; overcast

29 September, mon

	750 mmHg		80%
	3.4 m/s		+21

29 September, Monday. day, 25°; night, 19°; rain

30 September, tue

	750 mmHg		81%
	3.3 m/s		+21

30 September, Tuesday. day, 25°; night, 19°; rain

1 October, wed

	748 mmHg		78%
	3.5 m/s		+21

1 October, Wednesday. day, 26°; night, 19°; partly cloudy

2 October, thu

	748 mmHg		79%
	3.6 m/s		+21

2 October, Thursday. day, 27°; night, 20°; rain

3 October, fri

	748 mmHg		81%
	3.4 m/s		+21

3 October, Friday. day, 25°; night, 19°; rain

4 October, sat

	749 mmHg		80%
	3.4 m/s		+21

4 October, Saturday. day, 25°; night, 19°; clear

Average data for 10 years

Nova Iguaçu September

11

sunny days

12

days with precipitation

9

cloudy days

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

76

%

air humidity

2.09

m/s

WindS

76

mm of precipitation

(5% of annual average)

+21

°C

Water temperature

air humidity 76%; 76 millimeters of precipitation (5% of annual average); Wind southerly 2.09 Meters per second; Water temperature +21°

Weather graphs for September

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

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SE

1

Average data for 10 years

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30

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

Los Angeles
Bodrum
Malaga
Alicante
Majorca
Retimno
Kos
Casablanca
Rabat

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

September in Nova Iguaçu is the windiest month of the year. In September, the weather in Nova Iguaçu is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, Nova Iguaçu has 12 rainy, 11 sunny, 6 partly cloudy, and 1 cloudy day in September. The rains are usually heavy.

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