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September Weather in Santa Rosa, Bolivia

Last updated: August 22, 2025

In Santa Rosa, Bolivia, the average temperature in September reaches a warm 28°C (83°F). Expect temperatures to range from a cool 14°C (57°F) to a sizzling 41°C (106°F). During this month, precipitation averages 74 mm (2.9 in) over approximately 9 days, and the average humidity sits at a comfortable 43%.

September Temperature in Santa Rosa

In September in Santa Rosa, the average temperature is 28°C (83°F). Maximums can reach up to 41°C (106°F) while minimums can drop as low as 14°C (57°F). Travelers should prepare for a range of temperatures and consider packing layers for both warm days and cooler evenings.

September Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, September typically has an average temperature of 28°C (83°F), with highs reaching up to 41°C (106°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec818080797674747783848281
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in September, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.

September Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2742982611727557414774161239404
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Rosa

In Santa Rosa in September humidity is 43%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, making it comfortable for exploring the local attractions while ensuring you stay hydrated.

September Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 43%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%88%86%83%69%50%43%43%45%71%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Rosa

In Santa Rosa in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santa Rosa.

Maximum UV Index Levels in Santa Rosa for September

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1516151411991013151515
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)274 mm (10.8 inches)90%extreme
February Weather27°C (81°F)298 mm (11.7 inches)87%extreme
March Weather27°C (81°F)261 mm (10.3 inches)88%extreme
April Weather26°C (80°F)171 mm (6.8 inches)86%extreme
May Weather25°C (77°F)75 mm (3.0 inches)83%extreme
June Weather23°C (74°F)57 mm (2.2 inches)69%very high
July Weather23°C (74°F)40 mm (1.6 inches)50%very high
August Weather25°C (78°F)47 mm (1.9 inches)43%very high
September Weather28°C (83°F)74 mm (2.9 inches)43%extreme
October Weather29°C (84°F)161 mm (6.3 inches)45%extreme
November Weather28°C (82°F)239 mm (9.4 inches)71%extreme
December Weather27°C (81°F)404 mm (15.9 inches)88%extreme

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