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September Weather in El Rosal, Colombia

Last updated: August 23, 2025

In September, the average temperature in El Rosal, Colombia hovers around 16°C (62°F), with a minimum of 8°C (48°F) and a maximum reaching 26°C (79°F). Be prepared for some rain, as 138 mm (5.4 in) of precipitation can be expected over 17 days. With an average humidity of 64%, it's a perfect time to experience the blend of comfort and occasional drizzle.

September Temperature in El Rosal

In September in El Rosal, the average temperature is 16°C (62°F). The maximum can reach 26°C (79°F), and the minimum can be as low as 8°C (48°F). This mild climate makes it an ideal time for traveling, so be sure to pack accordingly!

September Weather in El Rosal: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Rosal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Rosal, September typically has an average temperature of 16°C (62°F), with highs reaching up to 26°C (79°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec595959606161626261605959
Data source: Temperature data for El Rosal 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 El Rosal

In El Rosal in September, the precipitation amount is 138 mm (5.4 in) spread over 17 days.

September Precipitation Trends in El Rosal

The chart displays monthly precipitation patterns in El Rosal, 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 El Rosal, September typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1523033782822541266278138283307207
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Rosal

In El Rosal in September humidity is 64%. With an average temperature of 16°C (62°F), this humidity feels like a moderate blanket wrapping around you, making it pleasant for traveling but potentially a bit damp as you explore the sights.

September Average Humidity in El Rosal

This chart illustrates the average monthly humidity levels in El Rosal, 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 El Rosal is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%46%50%64%85%92%89%73%64%68%73%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Rosal

In El Rosal 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 El Rosal, you can check here.

Maximum UV Index Levels in El Rosal for September

The chart shows the monthly maximum UV Index (UVI) for El Rosal 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 El Rosal typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141416161514141414141312
Data source: El Rosal 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 El Rosal Compares to Other Months

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

This table compares monthly weather conditions in El Rosal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)152 mm (6.0 inches)51%extreme
February Weather15°C (60°F)303 mm (11.9 inches)46%extreme
March Weather15°C (60°F)378 mm (14.9 inches)49%extreme
April Weather16°C (60°F)282 mm (11.1 inches)63%extreme
May Weather16°C (61°F)254 mm (10.0 inches)85%extreme
June Weather16°C (61°F)126 mm (5.0 inches)92%extreme
July Weather17°C (62°F)62 mm (2.4 inches)89%extreme
August Weather17°C (62°F)78 mm (3.1 inches)73%extreme
September Weather16°C (62°F)138 mm (5.4 inches)64%extreme
October Weather15°C (60°F)283 mm (11.1 inches)67%extreme
November Weather15°C (60°F)307 mm (12.1 inches)73%extreme
December Weather15°C (60°F)207 mm (8.1 inches)66%extreme

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