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September Weather in Riberalta, Bolivia

Last updated: August 22, 2025

In September, the average temperature in Riberalta, Bolivia hovers around 27°C (82°F), with minimum temperatures dipping to 16°C (62°F) and peaks reaching up to 36°C (98°F). Expect a precipitation amount of about 50 mm (2.0 in) spread over 9 days, and enjoy the average humidity level of 33% for a comfortable experience!

September Temperature in Riberalta

In September in Riberalta, the average temperature is 27°C (82°F). Maximums can reach 36°C (98°F), while minimums can drop as low as 16°C (62°F). This makes Riberalta a great destination for travelers looking to enjoy warm weather while also experiencing cooler evenings.

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

The chart illustrates September temperature patterns in Riberalta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riberalta, September typically has an average temperature of 27°C (82°F), with highs reaching up to 36°C (98°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797876777981818079
Data source: Temperature data for Riberalta 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 Riberalta

In Riberalta in September, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

September Precipitation Trends in Riberalta

The chart displays monthly precipitation patterns in Riberalta, 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 Riberalta, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec257279235189793794250137233310
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Riberalta

In Riberalta in September humidity is 33%. With an average temperature of 27°C (82°F), this humidity feels like a warm, gentle breeze that makes exploring the sights enjoyable but requires some hydration breaks to stay refreshed.

September Average Humidity in Riberalta

This chart illustrates the average monthly humidity levels in Riberalta, 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 Riberalta is approximately 33%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%89%85%70%48%38%33%41%72%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Riberalta

In Riberalta 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 Riberalta.

Maximum UV Index Levels in Riberalta for September

The chart shows the monthly maximum UV Index (UVI) for Riberalta 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 Riberalta typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141210101111141615
Data source: Riberalta 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 Riberalta Compares to Other Months

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

This table compares monthly weather conditions in Riberalta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)257 mm (10.1 inches)88%extreme
February Weather26°C (79°F)279 mm (11.0 inches)87%extreme
March Weather26°C (79°F)234 mm (9.2 inches)87%extreme
April Weather26°C (79°F)189 mm (7.4 inches)89%extreme
May Weather25°C (78°F)79 mm (3.1 inches)85%extreme
June Weather25°C (76°F)37 mm (1.5 inches)70%very high
July Weather25°C (77°F)9 mm (0.3 inches)48%very high
August Weather26°C (79°F)42 mm (1.7 inches)38%extreme
September Weather27°C (82°F)50 mm (2.0 inches)33%extreme
October Weather27°C (81°F)137 mm (5.4 inches)41%extreme
November Weather27°C (80°F)233 mm (9.2 inches)72%extreme
December Weather26°C (79°F)310 mm (12.2 inches)87%extreme

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