September Weather in Belen, Colombia

Last updated: August 23, 2025

In September, the average temperature in Belen, Colombia hovers around 13°C (55°F), with a minimum of 5°C (40°F) and a maximum reaching 21°C (70°F). Expect about 260 mm (10.2 in) of precipitation spread over 27 days, contributing to an average humidity of 64%.

September Temperature in Belen

In September in Belen, the average temperature is 13°C (55°F), with maximums reaching 21°C (70°F) and minimums dropping as low as 5°C (40°F). This mild climate makes it a great time for exploring outdoor attractions and enjoying leisurely walks.

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

The chart illustrates September temperature patterns in Belen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belen, September typically has an average temperature of 13°C (55°F), with highs reaching up to 21°C (70°F) and lows dropping to around 5°C (40°F).

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

September Precipitation in Belen

In Belen in September, the total precipitation amount is 260 mm (10.2 in) spread over 27 days.

September Precipitation Trends in Belen

The chart displays monthly precipitation patterns in Belen, 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 Belen, September typically receives around 260 mm (10.2 inches) of precipitation spread over approximately 27 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 Belen

In Belen in September, humidity is 64%. With an average temperature of 13°C (55°F), this humidity feels like a cool, refreshing embrace that makes exploring the area both invigorating and comfortable, perfect for leisurely strolls and outdoor adventures.

September Average Humidity in Belen

This chart illustrates the average monthly humidity levels in Belen, 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 Belen is approximately 64%, 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 Belen

In Belen in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Belen.

Maximum UV Index Levels in Belen for September

The chart shows the monthly maximum UV Index (UVI) for Belen 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 Belen typically reaches 15, which falls under the extreme exposure category.

Data source: Belen 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 Belen Compares to Other Months

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

This table compares monthly weather conditions in Belen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	99 mm (3.9 inches)	51%	extreme
February Weather	13°C (55°F)	144 mm (5.7 inches)	46%	extreme
March Weather	13°C (55°F)	246 mm (9.7 inches)	49%	extreme
April Weather	13°C (56°F)	297 mm (11.7 inches)	63%	extreme
May Weather	13°C (56°F)	308 mm (12.1 inches)	85%	extreme
June Weather	13°C (55°F)	234 mm (9.2 inches)	92%	extreme
July Weather	13°C (55°F)	208 mm (8.2 inches)	89%	extreme
August Weather	12°C (55°F)	193 mm (7.6 inches)	73%	extreme
September Weather	13°C (55°F)	260 mm (10.2 inches)	64%	extreme
October Weather	13°C (55°F)	289 mm (11.4 inches)	67%	extreme
November Weather	13°C (55°F)	217 mm (8.5 inches)	73%	extreme
December Weather	13°C (55°F)	132 mm (5.2 inches)	66%	extreme