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September Weather in San Pedro, Colombia

Last updated: August 23, 2025

In September, the average temperature in San Pedro, Colombia hovers around 17°C (62°F), with minimums dipping to about 9°C (49°F) and maximums reaching up to 26°C (79°F). Expect a total precipitation of 230 mm (9.0 in) spread over 24 days, contributing to an average humidity of 88%. Embrace the cozy atmosphere this month brings!

September Temperature in San Pedro

In September in San Pedro, the average temperature is 17°C (62°F). The maximum can reach 26°C (79°F), and the minimum can be as low as 9°C (49°F). Visitors should pack for mild weather, with layers for cooler evenings.

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 17°C (62°F), with highs reaching up to 26°C (79°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec616261626363636362616162
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 total precipitation amount is 230 mm (9.0 in) over the course of 24 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 230 mm (9.0 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec83143314395326163101142230286274125
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 88%. With an average temperature of 17°C (62°F), this humidity feels like traveling through a dense fog, making the air feel heavy and sticky, which can be quite uncomfortable for outdoor activities.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%68%65%73%88%89%89%87%88%89%90%85%
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 is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Pedro, you can check here.

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 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141517161614141514141312
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 (62°F)83 mm (3.2 inches)74%extreme
February Weather16°C (62°F)143 mm (5.6 inches)68%extreme
March Weather16°C (62°F)314 mm (12.4 inches)65%extreme
April Weather17°C (62°F)395 mm (15.6 inches)73%extreme
May Weather17°C (63°F)326 mm (12.8 inches)88%extreme
June Weather17°C (63°F)163 mm (6.4 inches)89%extreme
July Weather17°C (63°F)101 mm (4.0 inches)89%extreme
August Weather17°C (63°F)142 mm (5.6 inches)87%extreme
September Weather17°C (62°F)230 mm (9.0 inches)88%extreme
October Weather16°C (62°F)286 mm (11.2 inches)89%extreme
November Weather16°C (62°F)274 mm (10.8 inches)90%extreme
December Weather16°C (62°F)125 mm (4.9 inches)85%extreme

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