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September Weather in Rio Novo, Brazil

Last updated: August 22, 2025

In Rio Novo, Brazil, the average temperature in September hovers around 21°C (71°F). You can expect a minimum of 11°C (52°F) and a warm maximum of 35°C (95°F). With a precipitation total of 44 mm (1.7 in) spread over 8 days, the air maintains an average humidity of 63%. Enjoy the mild conditions while preparing for occasional sprinkle!

September Temperature in Rio Novo

In September in Rio Novo, the average temperature is 21°C (71°F). Maximums can reach up to 35°C (95°F), while minimums can drop as low as 11°C (52°F). This pleasant weather makes Rio Novo an ideal destination for travelers seeking both warmth and comfortable conditions.

September Weather in Rio Novo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio Novo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Novo, September typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec767475716766646570717173
Data source: Temperature data for Rio Novo 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 Rio Novo

In Rio Novo in September, the total precipitation amount is 44 mm (1.7 in) over a duration of 8 days.

September Precipitation Trends in Rio Novo

The chart displays monthly precipitation patterns in Rio Novo, 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 Rio Novo, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec145251229774718143444153227269
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rio Novo

In Rio Novo in September humidity is 63%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace—comfortable for exploring, yet slightly sticky, urging travelers to take it easy and stay hydrated while enjoying the sights.

September Average Humidity in Rio Novo

This chart illustrates the average monthly humidity levels in Rio Novo, 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 Rio Novo is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%88%86%82%82%77%72%63%48%61%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rio Novo

In Rio Novo in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Rio Novo.

Maximum UV Index Levels in Rio Novo for September

The chart shows the monthly maximum UV Index (UVI) for Rio Novo 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 Rio Novo typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171513118781012131416
Data source: Rio Novo 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 Rio Novo Compares to Other Months

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

This table compares monthly weather conditions in Rio Novo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)145 mm (5.7 inches)83%extreme
February Weather24°C (75°F)251 mm (9.9 inches)85%extreme
March Weather24°C (75°F)229 mm (9.0 inches)87%extreme
April Weather22°C (71°F)77 mm (3.0 inches)86%extreme
May Weather20°C (67°F)47 mm (1.8 inches)82%very high
June Weather19°C (66°F)18 mm (0.7 inches)82%high
July Weather18°C (64°F)14 mm (0.5 inches)77%very high
August Weather18°C (65°F)34 mm (1.3 inches)72%very high
September Weather21°C (71°F)44 mm (1.7 inches)63%extreme
October Weather22°C (72°F)153 mm (6.0 inches)48%extreme
November Weather22°C (71°F)227 mm (8.9 inches)61%extreme
December Weather23°C (74°F)268 mm (10.6 inches)68%extreme

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