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September Weather in Tres de Maio, Brazil

Last updated: August 22, 2025

In September, the average temperature in Tres de Maio, Brazil hovers around 20°C (69°F). The climate can be quite variable, with temperatures ranging from a cool 7°C (44°F) to a warm 35°C (96°F). Expect 122 mm (4.8 in) of precipitation over about 10 days, contributing to an average humidity level of 62%. Stay prepared for a mix of sunny and rainy days!

September Temperature in Tres de Maio

In September in Tres de Maio, the average temperature is 20°C (69°F). The maximum can reach 35°C (96°F), while the minimum can drop to as low as 7°C (44°F). Be sure to pack for a range of temperatures to fully enjoy your trip!

September Weather in Tres de Maio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tres de Maio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tres de Maio, September typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (96°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec787675706461596368717478
Data source: Temperature data for Tres de Maio 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 Tres de Maio

In Tres de Maio in September, the total precipitation amount reaches 122 mm (4.8 in) over the course of 10 days.

September Precipitation Trends in Tres de Maio

The chart displays monthly precipitation patterns in Tres de Maio, 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 Tres de Maio, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec15511512611920514510677122185132100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tres de Maio

In Tres de Maio in September, humidity is 62%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring a light breeze or shade for comfort while exploring.

September Average Humidity in Tres de Maio

This chart illustrates the average monthly humidity levels in Tres de Maio, 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 Tres de Maio is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%72%78%82%78%73%59%62%65%76%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tres de Maio

In Tres de Maio in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Tres de Maio.

Maximum UV Index Levels in Tres de Maio for September

The chart shows the monthly maximum UV Index (UVI) for Tres de Maio 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 Tres de Maio typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210656710131414
Data source: Tres de Maio 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 Tres de Maio Compares to Other Months

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

This table compares monthly weather conditions in Tres de Maio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)155 mm (6.1 inches)79%extreme
February Weather25°C (77°F)115 mm (4.5 inches)74%extreme
March Weather24°C (75°F)126 mm (5.0 inches)72%extreme
April Weather21°C (70°F)119 mm (4.7 inches)78%very high
May Weather18°C (64°F)205 mm (8.1 inches)82%high
June Weather16°C (61°F)145 mm (5.7 inches)78%moderate
July Weather15°C (60°F)106 mm (4.2 inches)73%high
August Weather17°C (63°F)77 mm (3.0 inches)58%high
September Weather20°C (69°F)122 mm (4.8 inches)62%very high
October Weather22°C (71°F)185 mm (7.3 inches)65%extreme
November Weather24°C (75°F)132 mm (5.2 inches)76%extreme
December Weather25°C (78°F)100 mm (3.9 inches)85%extreme

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