September Weather in Cerro de San Antonio, Colombia

Last updated: August 23, 2025

In Cerro de San Antonio, Colombia, the average temperature in September hovers around 29°C (84°F), offering warm days perfect for exploration. Expect minimum temperatures of 24°C (75°F) and peaks reaching up to 39°C (102°F). However, be prepared for some rain, as 117 mm (4.6 in) of precipitation often falls over 22 days. The average humidity is quite high at 84%, creating a notably tropical atmosphere.

September Temperature in Cerro de San Antonio

In September in Cerro de San Antonio, the average temperature is 29°C (84°F), with maximums reaching 39°C (102°F) and minimums dropping to as low as 24°C (75°F). It's a warm and inviting destination, perfect for travelers looking to enjoy sunny weather and outdoor activities.

September Weather in Cerro de San Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cerro de San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cerro de San Antonio, September typically has an average temperature of 29°C (84°F), with highs reaching up to 39°C (102°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec858686868484868584828385
Data source: Temperature data for Cerro de San Antonio 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 Cerro de San Antonio

In Cerro de San Antonio in September, the precipitation amount is 117 mm (4.6 in) spread over 22 days, indicating a typically wet period for the region.

September Precipitation Trends in Cerro de San Antonio

The chart displays monthly precipitation patterns in Cerro de San Antonio, 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 Cerro de San Antonio, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec62186313394801211171338518
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cerro de San Antonio

In Cerro de San Antonio in September, humidity is 84%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel sticky and somewhat stifling, yet invigorating, as every step is accompanied by a gentle, humid embrace.

September Average Humidity in Cerro de San Antonio

This chart illustrates the average monthly humidity levels in Cerro de San Antonio, 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 Cerro de San Antonio is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%65%64%64%65%77%85%85%84%82%79%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cerro de San Antonio

In Cerro de San Antonio 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 Cerro de San Antonio.

Maximum UV Index Levels in Cerro de San Antonio for September

The chart shows the monthly maximum UV Index (UVI) for Cerro de San Antonio 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 Cerro de San Antonio typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141413121313131110
Data source: Cerro de San Antonio 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 Cerro de San Antonio Compares to Other Months

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

This table compares monthly weather conditions in Cerro de San Antonio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)6 mm (0.2 inches)65%extreme
February Weather30°C (86°F)2 mm (0.1 inches)65%extreme
March Weather30°C (86°F)18 mm (0.7 inches)64%extreme
April Weather30°C (86°F)63 mm (2.5 inches)64%extreme
May Weather29°C (85°F)133 mm (5.2 inches)65%extreme
June Weather29°C (85°F)94 mm (3.7 inches)77%extreme
July Weather30°C (86°F)80 mm (3.1 inches)85%extreme
August Weather29°C (85°F)121 mm (4.8 inches)85%extreme
September Weather29°C (84°F)117 mm (4.6 inches)84%extreme
October Weather28°C (83°F)133 mm (5.2 inches)82%extreme
November Weather28°C (83°F)85 mm (3.4 inches)79%extreme
December Weather29°C (85°F)18 mm (0.7 inches)69%very high

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