September Weather in Riolandia, Brazil

Last updated: August 22, 2025

In September, the average temperature in Riolandia, Brazil is a warm 27°C (81°F), with a comfortable humidity level of 41%. Temperatures can vary significantly, enjoying a minimum of 12°C (54°F) and soaring up to a maximum of 40°C (105°F). Expect a modest precipitation amount of 19 mm (0.7 in) spread over just 2 days, making September a delightful time to visit.

September Temperature in Riolandia

In September in Riolandia, the average temperature is 27°C (81°F). Maximum temperatures can reach 40°C (105°F), while minimum temperatures can drop as low as 12°C (54°F). Travelers should prepare for warm days and cooler nights, making it advisable to pack lightweight clothing along with a light jacket for the evenings.

September Weather in Riolandia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Riolandia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riolandia, September typically has an average temperature of 27°C (81°F), with highs reaching up to 40°C (105°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979777373717581817979
Data source: Temperature data for Riolandia 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 Riolandia

In Riolandia in September, the precipitation amount is 19 mm (0.7 in) over a span of 2 days.

September Precipitation Trends in Riolandia

The chart displays monthly precipitation patterns in Riolandia, 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 Riolandia, September typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec147176120532532131977152168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Riolandia

In Riolandia in September humidity is 41%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making it comfortable for exploring outdoor attractions without overwhelming discomfort.

September Average Humidity in Riolandia

This chart illustrates the average monthly humidity levels in Riolandia, 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 Riolandia is approximately 41%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%86%79%68%60%57%48%41%35%65%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Riolandia

In Riolandia 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 Riolandia.

Maximum UV Index Levels in Riolandia for September

The chart shows the monthly maximum UV Index (UVI) for Riolandia 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 Riolandia typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613119781112141416
Data source: Riolandia 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 Riolandia Compares to Other Months

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

This table compares monthly weather conditions in Riolandia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)147 mm (5.8 inches)85%extreme
February Weather26°C (79°F)176 mm (6.9 inches)87%extreme
March Weather26°C (79°F)120 mm (4.7 inches)86%extreme
April Weather25°C (77°F)53 mm (2.1 inches)79%extreme
May Weather23°C (73°F)25 mm (1.0 inches)68%very high
June Weather23°C (73°F)3 mm (0.1 inches)60%high
July Weather22°C (71°F)2 mm (0.1 inches)57%very high
August Weather24°C (75°F)13 mm (0.5 inches)48%extreme
September Weather27°C (81°F)19 mm (0.7 inches)41%extreme
October Weather27°C (81°F)77 mm (3.0 inches)35%extreme
November Weather26°C (80°F)152 mm (6.0 inches)65%extreme
December Weather26°C (79°F)168 mm (6.6 inches)80%extreme

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