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September Weather in Andes, Colombia

Last updated: August 23, 2025

In Andes, Colombia, the average temperature in September is a pleasant 21°C (70°F), with minimums dipping to 15°C (59°F) and maximums soaring to 31°C (87°F). During this month, expect 349 mm (13.7 in) of precipitation over 30 days, creating a humid atmosphere with an average humidity of 80%. Enjoy the warmth, but don't forget your umbrella!

September Temperature in Andes

In September in Andes, the average temperature is 21°C (70°F). Maximums can reach 31°C (87°F), while minimums can drop to as low as 15°C (59°F). This mild climate makes Andes an ideal destination for travelers seeking comfortable weather.

September Weather in Andes: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Andes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Andes, September typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (87°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec696969696969707070686869
Data source: Temperature data for Andes 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 Andes

In Andes in September, the total precipitation amount is 349 mm (13.7 in) over a span of 30 days.

September Precipitation Trends in Andes

The chart displays monthly precipitation patterns in Andes, 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 Andes, September typically receives around 349 mm (13.7 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec222297343318366301300338349410329239
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Andes

In Andes in September humidity is 80%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can make even short walks feel draining, urging travelers to seek shade or a cool drink frequently.

September Average Humidity in Andes

This chart illustrates the average monthly humidity levels in Andes, 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 Andes is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%80%83%88%87%85%80%80%85%87%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Andes

In Andes 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 Andes, you can check here.

Maximum UV Index Levels in Andes for September

The chart shows the monthly maximum UV Index (UVI) for Andes 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 Andes typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161514141414141312
Data source: Andes 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 Andes Compares to Other Months

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

This table compares monthly weather conditions in Andes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)222 mm (8.8 inches)78%extreme
February Weather21°C (69°F)297 mm (11.7 inches)77%extreme
March Weather20°C (69°F)343 mm (13.5 inches)80%extreme
April Weather21°C (69°F)318 mm (12.5 inches)83%extreme
May Weather21°C (70°F)365 mm (14.4 inches)87%extreme
June Weather21°C (70°F)301 mm (11.8 inches)87%extreme
July Weather21°C (70°F)300 mm (11.8 inches)85%extreme
August Weather21°C (70°F)338 mm (13.3 inches)80%extreme
September Weather21°C (70°F)349 mm (13.7 inches)80%extreme
October Weather20°C (69°F)410 mm (16.1 inches)85%extreme
November Weather20°C (68°F)329 mm (12.9 inches)87%extreme
December Weather20°C (69°F)239 mm (9.4 inches)83%extreme

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