nomadseason

September Weather in Ribeirao Branco, Brazil

Last updated: August 22, 2025

In September, the average temperature in Ribeirao Branco, Brazil hovers around 18°C (65°F), offering a pleasant climate for outdoor activities. Temperatures can fluctuate, with minimums dipping to 8°C (46°F) and maximums soaring to 33°C (91°F). Rainfall is anticipated, with an average precipitation of 59 mm (2.3 in) spread over 8 days, contributing to an average humidity level of 73%.

September Temperature in Ribeirao Branco

In September in Ribeirao Branco, the average temperature is 18°C (65°F). Maximum temperatures can reach 33°C (91°F), while the minimum can drop to as low as 8°C (46°F). This varied climate makes it a great time to explore and enjoy both warm afternoons and cooler evenings while traveling.

September Weather in Ribeirao Branco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ribeirao Branco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ribeirao Branco, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec717170666261596065666670
Data source: Temperature data for Ribeirao Branco generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ribeirao Branco

In Ribeirao Branco in September, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

September Precipitation Trends in Ribeirao Branco

The chart displays monthly precipitation patterns in Ribeirao Branco, 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 Ribeirao Branco, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec234186181617279336859159120180
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ribeirao Branco

In Ribeirao Branco in September, humidity is 73%. With an average temperature of 18°C (65°F), this humidity feels like a warm, slightly muggy embrace that can make exploring the outdoors a bit sticky, yet still pleasant for leisurely strolls and sightseeing.

September Average Humidity in Ribeirao Branco

This chart illustrates the average monthly humidity levels in Ribeirao Branco, 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 Ribeirao Branco is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%87%85%85%83%78%73%73%71%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ribeirao Branco

In Ribeirao Branco 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 Ribeirao Branco.

Maximum UV Index Levels in Ribeirao Branco for September

The chart shows the monthly maximum UV Index (UVI) for Ribeirao Branco 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 Ribeirao Branco typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311867911141515
Data source: Ribeirao Branco 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 Ribeirao Branco Compares to Other Months

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

This table compares monthly weather conditions in Ribeirao Branco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)234 mm (9.2 inches)89%extreme
February Weather21°C (71°F)186 mm (7.3 inches)86%extreme
March Weather21°C (70°F)181 mm (7.1 inches)87%extreme
April Weather19°C (66°F)61 mm (2.4 inches)85%extreme
May Weather17°C (62°F)72 mm (2.8 inches)84%very high
June Weather16°C (61°F)79 mm (3.1 inches)83%high
July Weather15°C (59°F)33 mm (1.3 inches)78%high
August Weather15°C (60°F)68 mm (2.7 inches)73%very high
September Weather18°C (65°F)59 mm (2.3 inches)73%extreme
October Weather19°C (66°F)159 mm (6.3 inches)71%extreme
November Weather19°C (67°F)120 mm (4.7 inches)83%extreme
December Weather21°C (70°F)180 mm (7.1 inches)87%extreme

Compare Ribeirao Branco's Climate with Cities Worldwide