September Weather in Onzaga, Colombia

Last updated: August 23, 2025

In September, the average temperature in Onzaga, Colombia is a mild 12°C (55°F). Expect a range where the minimum dips to 3°C (38°F) and the maximum can reach up to 21°C (70°F). Be prepared for 162 mm (6.4 in) of precipitation spread over 20 days, resulting in an average humidity of 78%.

September Temperature in Onzaga

In September in Onzaga, the average temperature is 12°C (55°F). The maximum can reach 21°C (70°F), and the minimum can be as low as 3°C (38°F). This makes it a great time to explore Onzaga while enjoying mild weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Onzaga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onzaga, September typically has an average temperature of 12°C (55°F), with highs reaching up to 21°C (70°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Onzaga

In Onzaga in September, the total precipitation amount is 162 mm (6.4 in), occurring over the course of 20 days.

September Precipitation Trends in Onzaga

The chart displays monthly precipitation patterns in Onzaga, 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 Onzaga, September typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 20 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 Onzaga

In Onzaga in September humidity is 78%. With average temperature 12°C (55°F), this humidity feels like a damp chill that wraps around you, making outdoor activities less enjoyable and travel a bit uncomfortable unless you're layered appropriately.

September Average Humidity in Onzaga

This chart illustrates the average monthly humidity levels in Onzaga, 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 Onzaga is approximately 78%, 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 Onzaga

In Onzaga 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 Onzaga.

Maximum UV Index Levels in Onzaga for September

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

Data source: Onzaga 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 Onzaga Compares to Other Months

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

This table compares monthly weather conditions in Onzaga, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (55°F)	80 mm (3.2 inches)	52%	extreme
February Weather	13°C (55°F)	145 mm (5.7 inches)	47%	extreme
March Weather	13°C (55°F)	273 mm (10.8 inches)	45%	extreme
April Weather	13°C (56°F)	250 mm (9.8 inches)	54%	extreme
May Weather	13°C (56°F)	241 mm (9.5 inches)	81%	extreme
June Weather	13°C (55°F)	151 mm (5.9 inches)	88%	extreme
July Weather	13°C (55°F)	90 mm (3.5 inches)	88%	extreme
August Weather	12°C (55°F)	90 mm (3.5 inches)	82%	extreme
September Weather	12°C (55°F)	162 mm (6.4 inches)	78%	extreme
October Weather	13°C (55°F)	228 mm (9.0 inches)	83%	extreme
November Weather	13°C (55°F)	225 mm (8.9 inches)	83%	extreme
December Weather	13°C (55°F)	109 mm (4.3 inches)	70%	extreme