September weather forecast
Nova Iguaçu, Brazil

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Weather in September

September announces the arrival of spring with a noticeable upturn in Nova Iguaçu's climatic conditions. An increased amount of rainfall, recorded at 50mm (1.97"), revives the city after a prolonged dry period. With the rebound of rain, temperatures start to rise again, returning warmth to the city. A resurgence in the number of daylight hours triggers a shift in the daily weather pattern. The city, with its refreshing spring aura, blossoms under the gentle sun.

Temperature

The arrival of September brings an average high-temperature of a still moderately hot 26°C (78.8°F), subtly diverging from August's 24.8°C (76.6°F). In September, the average low-temperature records at an enjoyable 17.5°C (63.5°F) during the nights.

Humidity

In Nova Iguaçu, the average relative humidity in September is 78%.

Rainfall

In Nova Iguaçu, in September, during 14.8 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 220.6 rainfall days, and 991mm (39.02") of precipitation is accumulated.

Daylight

In September, the average length of the day in Nova Iguaçu is 11h and 58min.
On the first day of September, sunrise is at 06:03 and sunset at 17:43. On the last day of the month, sunrise is at 05:34 and sunset at 17:52 -03.

Sunshine

The average sunshine in September is 7.6h.

UV index

The months with the lowest UV index are April, May, July and September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 5 in September translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What are the temperatures in Nova Iguaçu in September?

Nova Iguaçu in September has an average high-temperature of 26°C (78.8°F) and an average low-temperature of 17.5°C (63.5°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in March is appraised at 34°C (93.2°F).

What is the average humidity in September in Nova Iguaçu?

The average relative humidity in September in Nova Iguaçu, Brazil, is 78%.

How much does it rain in Nova Iguaçu in September?

In September, the rain falls for 14.8 days. Throughout September, 50mm (1.97") of precipitation is accumulated.

How many hours of daylight does Nova Iguaçu have in September?

The average day length in September is 11h and 58min.

When are sunrise and sunset in September in Nova Iguaçu?

In September, on the first day of the month, sunrise is at 06:03 and sunset at 17:43. On the last day of the month, sunrise is at 05:34 and sunset at 17:52 -03.

How long on average sun shines in September in Nova Iguaçu?

In Nova Iguaçu, Brazil, the average sunshine duration in September is 7.6h.

What is the month with the lowest UV index in Nova Iguaçu?

The months with the lowest UV index in Nova Iguaçu are April, May, July and September, with an average maximum UV index of 5.

How high is the UV index in September in Nova Iguaçu?

The average daily maximum UV index in September in Nova Iguaçu is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.

Average temperature in September
Nova Iguaçu, Brazil

Average temperature in September - Nova Iguaçu, Brazil
  • Average high temperature in September: 26°C

The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (24°C).

  • Average low temperature in September: 17.5°C

The month with the highest average low temperature is January (21.6°C).
The coldest month (with the lowest average low temperature) is August (16.1°C).

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Average pressure in September
Nova Iguaçu, Brazil

Average pressure in September - Nova Iguaçu, Brazil
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).

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Average wind speed in September
Nova Iguaçu, Brazil

Average wind speed in September - Nova Iguaçu, Brazil
  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is September (7.8km/h).
The calmest month (with the lowest average wind speed) is March (6km/h).

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Average humidity in September
Nova Iguaçu, Brazil

Average humidity in September - Nova Iguaçu, Brazil
  • Average humidity in September: 78%

The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in September
Nova Iguaçu, Brazil

Average rainfall in September - Nova Iguaçu, Brazil
  • Average rainfall in September: 50mm

The wettest month (with the highest rainfall) is January (148mm).
The driest month (with the least rainfall) is June (29mm).

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Average rainfall days in September
Nova Iguaçu, Brazil

Average rainfall days in September - Nova Iguaçu, Brazil
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is December (25.7 days).
The month with the least rainy days is August (10.8 days).

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Average daylight in September /
Average sunshine in September
Nova Iguaçu, Brazil

Average daylight in September / Average sunshine in September - Nova Iguaçu, Brazil
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is February (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).

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Average sunshine days in September
Nova Iguaçu, Brazil

Average sunshine days in September - Nova Iguaçu, Brazil
  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is December (3.9 days).

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Average UV index in September
Nova Iguaçu, Brazil

Average UV index in September - Nova Iguaçu, Brazil
  • Average UV index in September: 5

The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are April, May, July and September (UV index 5).

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Average cloud cover in September
Nova Iguaçu, Brazil

Average cloud cover in September - Nova Iguaçu, Brazil
  • Average cloud cover in September: 39

The month with the most cloud cover is November (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in September
Nova Iguaçu, Brazil

Average visibility in September - Nova Iguaçu, Brazil
  • Average visibility in September: 9km

The months with the highest visibility are February, June, July, August, September and October (9km).
The months with the lowest visibility are January, March, April, May, November and December (8km).

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Nova Iguaçu, Brazil

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