September Weather in El Castillo, Colombia

Last updated: August 23, 2025

In September, the average temperature in El Castillo, Colombia hovers around 26°C (79°F), offering a pleasant climate for outdoor activities. Temperatures can range from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), ensuring a diverse experience throughout the day. Expect about 75 mm (3.0 in) of precipitation spread over 13 days, contributing to an average humidity of 57%. Whether you’re enjoying the sun or seeking shelter from the rain, El Castillo has something for every weather enthusiast!

September Temperature in El Castillo

In September in El Castillo, the average temperature is 26°C (79°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 18°C (65°F). This pleasant climate makes El Castillo an ideal destination for travelers seeking warmth and comfortable weather.

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

The chart illustrates September temperature patterns in El Castillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Castillo, September typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 18°C (65°F).

Data source: Temperature data for El Castillo generated using information from the Copernicus Climate Change Service.

September Precipitation in El Castillo

In El Castillo in September, the precipitation amount is 75 mm (3.0 in) over the course of 13 days.

September Precipitation Trends in El Castillo

The chart displays monthly precipitation patterns in El Castillo, 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 Castillo, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in El Castillo

In El Castillo in September humidity is 57%. With an average temperature of 26°C (79°F), this humidity feels like a warm, embracing blanket that clings to your skin, making outdoor activities refreshing yet slightly sticky, and necessitating ample hydration as you explore.

September Average Humidity in El Castillo

This chart illustrates the average monthly humidity levels in El Castillo, 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 Castillo is approximately 57%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Castillo

In El Castillo 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 Castillo, you can check here.

Maximum UV Index Levels in El Castillo for September

The chart shows the monthly maximum UV Index (UVI) for El Castillo 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 Castillo typically reaches 14, which falls under the extreme exposure category.

Data source: El Castillo 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 Castillo Compares to Other Months

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

This table compares monthly weather conditions in El Castillo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	54 mm (2.1 inches)	49%	extreme
February Weather	27°C (81°F)	76 mm (3.0 inches)	46%	extreme
March Weather	26°C (80°F)	205 mm (8.1 inches)	52%	extreme
April Weather	26°C (78°F)	223 mm (8.8 inches)	73%	extreme
May Weather	25°C (77°F)	328 mm (12.9 inches)	90%	extreme
June Weather	24°C (76°F)	239 mm (9.4 inches)	93%	extreme
July Weather	24°C (76°F)	224 mm (8.8 inches)	87%	extreme
August Weather	25°C (78°F)	89 mm (3.5 inches)	67%	extreme
September Weather	26°C (79°F)	75 mm (3.0 inches)	57%	extreme
October Weather	26°C (79°F)	188 mm (7.4 inches)	56%	extreme
November Weather	26°C (79°F)	180 mm (7.1 inches)	68%	extreme
December Weather	26°C (79°F)	57 mm (2.2 inches)	70%	extreme