September Weather in San Pedro, Colombia

Last updated: August 23, 2025

In September, the average temperature in San Pedro, Colombia is a warm 28°C (82°F). However, be prepared for fluctuating conditions, as temperatures can range from a comfortable 23°C (73°F) to a scorching 37°C (99°F). The month typically sees 159 mm (6.3 in) of precipitation spread over 24 days, resulting in a high average humidity of 87%. Stay ready for a tropical experience!

September Temperature in San Pedro

In September in San Pedro, the average temperature is 28°C (82°F). Maximums can reach 37°C (99°F) and minimums can be as low as 23°C (73°F). This makes it a perfect time for travelers looking to enjoy warm weather and outdoor activities.

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 28°C (82°F), with highs reaching up to 37°C (99°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec848686848282838282818183
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 159 mm (6.3 in) spread over 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 159 mm (6.3 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec2143412621213912916215917113436
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 87%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket wrapping around you, making travel challenging as you navigate the air's heavy moisture.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%65%67%79%87%88%87%87%86%86%80%
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 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 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214151413121313131110
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 Weather29°C (84°F)21 mm (0.8 inches)70%extreme
February Weather30°C (87°F)4 mm (0.2 inches)67%extreme
March Weather30°C (86°F)34 mm (1.3 inches)65%extreme
April Weather29°C (84°F)126 mm (5.0 inches)67%extreme
May Weather28°C (83°F)212 mm (8.3 inches)79%extreme
June Weather28°C (83°F)139 mm (5.5 inches)87%extreme
July Weather28°C (83°F)129 mm (5.1 inches)88%extreme
August Weather28°C (83°F)162 mm (6.4 inches)87%extreme
September Weather28°C (82°F)159 mm (6.3 inches)87%extreme
October Weather27°C (81°F)171 mm (6.7 inches)86%extreme
November Weather27°C (81°F)134 mm (5.3 inches)86%extreme
December Weather28°C (83°F)36 mm (1.4 inches)80%very high

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