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September Weather in Nova Iguacu, Brazil

Last updated: August 22, 2025

In September, the average temperature in Nova Iguacu, Brazil hovers around 23°C (74°F), making it a pleasant time to visit. Expect temperatures to vary, with minimums dipping to 13°C (55°F) and maximums soaring up to 38°C (101°F). The weather brings about 53 mm (2.1 in) of precipitation spread over 7 days, contributing to an average humidity of 68%. This combination creates a unique climate that balances warmth and refreshing rains.

September Temperature in Nova Iguacu

In September, in Nova Iguacu, the average temperature is 23°C (74°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 13°C (55°F). Overall, this makes Nova Iguacu a great destination for travelers seeking warm weather with comfortable evenings.

September Weather in Nova Iguacu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nova Iguacu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nova Iguacu, September typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec817979757170686973757477
Data source: Temperature data for Nova Iguacu generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Nova Iguacu

In Nova Iguacu in September, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

September Precipitation Trends in Nova Iguacu

The chart displays monthly precipitation patterns in Nova Iguacu, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Nova Iguacu, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec162202162766133265053103175185
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nova Iguacu

In Nova Iguacu in September, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

September Average Humidity in Nova Iguacu

This chart illustrates the average monthly humidity levels in Nova Iguacu, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Nova Iguacu is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%83%81%80%76%73%68%61%72%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nova Iguacu

In Nova Iguacu in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Nova Iguacu.

Maximum UV Index Levels in Nova Iguacu for September

The chart shows the monthly maximum UV Index (UVI) for Nova Iguacu in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Nova Iguacu typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210767911121315
Data source: Nova Iguacu September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Nova Iguacu Compares to Other Months

Weather in Nova Iguacu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nova Iguacu, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Nova Iguacu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)162 mm (6.4 inches)85%extreme
February Weather26°C (79°F)202 mm (7.9 inches)85%extreme
March Weather26°C (79°F)162 mm (6.4 inches)86%extreme
April Weather24°C (75°F)76 mm (3.0 inches)83%very high
May Weather22°C (71°F)61 mm (2.4 inches)81%high
June Weather21°C (70°F)33 mm (1.3 inches)80%high
July Weather20°C (68°F)26 mm (1.0 inches)76%high
August Weather20°C (69°F)50 mm (2.0 inches)73%very high
September Weather23°C (74°F)53 mm (2.1 inches)68%extreme
October Weather24°C (75°F)103 mm (4.0 inches)61%extreme
November Weather24°C (75°F)175 mm (6.9 inches)72%extreme
December Weather25°C (78°F)185 mm (7.3 inches)75%extreme

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