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September Weather in San Pedro, Bolivia

Last updated: August 22, 2025

In San Pedro, Bolivia, the average temperature in September hovers around 15°C (59°F), with temperature fluctuations ranging from a brisk 3°C (37°F) to a warm 29°C (85°F). Expect 60 mm (2.4 in) of precipitation spread over approximately 11 days, and enjoy the relatively low average humidity of 36%.

September Temperature in San Pedro

In September in San Pedro, the average temperature is 15°C (59°F). Maximums can reach 29°C (85°F), and minimums can be as low as 3°C (37°F). This makes it a great time for travelers to enjoy mild weather while exploring all that San Pedro has to offer.

September Weather in San Pedro: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Pedro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec616059585553535458606060
Data source: Temperature data for San Pedro 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 San Pedro

In San Pedro in September, the precipitation amount is 60 mm (2.4 in) over the course of 11 days.

September Precipitation Trends in San Pedro

The chart displays monthly precipitation patterns in San Pedro, 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 San Pedro, September typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1752211831255019192760110139249
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Pedro

In San Pedro in September, humidity is 36%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing breeze, making it quite pleasant for traveling and exploring the sights comfortably.

September Average Humidity in San Pedro

This chart illustrates the average monthly humidity levels in San Pedro, 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 San Pedro is approximately 36%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%78%78%80%75%55%39%33%36%40%70%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Pedro

In San Pedro in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Pedro.

Maximum UV Index Levels in San Pedro for September

The chart shows the monthly maximum UV Index (UVI) for San Pedro 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 San Pedro typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec17171614118101215161718
Data source: San Pedro 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 San Pedro Compares to Other Months

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

This table compares monthly weather conditions in San Pedro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)175 mm (6.9 inches)83%extreme
February Weather16°C (60°F)221 mm (8.7 inches)77%extreme
March Weather15°C (60°F)183 mm (7.2 inches)78%extreme
April Weather14°C (58°F)125 mm (4.9 inches)80%extreme
May Weather13°C (55°F)50 mm (2.0 inches)75%extreme
June Weather12°C (53°F)19 mm (0.7 inches)55%very high
July Weather11°C (53°F)19 mm (0.7 inches)39%very high
August Weather12°C (55°F)27 mm (1.1 inches)32%extreme
September Weather15°C (59°F)60 mm (2.4 inches)36%extreme
October Weather16°C (60°F)110 mm (4.3 inches)40%extreme
November Weather16°C (61°F)139 mm (5.5 inches)70%extreme
December Weather16°C (61°F)249 mm (9.8 inches)83%extreme

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