September Weather in Tello, Colombia

Last updated: August 23, 2025

The average temperature in Tello, Colombia for September is a warm 27°C (81°F), making it a comfortable time to explore. Expect a minimum temperature of 18°C (64°F) and the occasional peak of 37°C (98°F). With precipitation around 51 mm (2.0 in) over 8 days, you may want to pack an umbrella. Humidity levels hover at a cozy 69%, adding to the tropical vibe!

September Temperature in Tello

In September in Tello, the average temperature is 27°C (81°F), with maximums reaching up to 37°C (98°F) and minimums dipping as low as 18°C (64°F). This makes it an ideal time for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Tello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tello, September typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (98°F) and lows dropping to around 18°C (64°F).

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

September Precipitation in Tello

In Tello in September, the total precipitation amount is 51 mm (2.0 in), spread over a duration of 8 days.

September Precipitation Trends in Tello

The chart displays monthly precipitation patterns in Tello, 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 Tello, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 8 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 Tello

In Tello in September, humidity is 69%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket wrapped around you, making it essential to stay hydrated and take frequent breaks during your travels.

September Average Humidity in Tello

This chart illustrates the average monthly humidity levels in Tello, 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 Tello is approximately 69%, 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 Tello

In Tello 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 Tello, you can check here.

Maximum UV Index Levels in Tello for September

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

Data source: Tello 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 Tello Compares to Other Months

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

This table compares monthly weather conditions in Tello, 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)	82 mm (3.2 inches)	74%	extreme
February Weather	27°C (80°F)	75 mm (3.0 inches)	71%	extreme
March Weather	26°C (79°F)	171 mm (6.7 inches)	78%	extreme
April Weather	26°C (78°F)	213 mm (8.4 inches)	81%	extreme
May Weather	25°C (78°F)	194 mm (7.6 inches)	88%	extreme
June Weather	26°C (78°F)	129 mm (5.1 inches)	85%	extreme
July Weather	26°C (79°F)	56 mm (2.2 inches)	75%	extreme
August Weather	26°C (80°F)	45 mm (1.8 inches)	64%	extreme
September Weather	27°C (81°F)	51 mm (2.0 inches)	69%	extreme
October Weather	26°C (79°F)	137 mm (5.4 inches)	80%	extreme
November Weather	26°C (78°F)	159 mm (6.3 inches)	85%	extreme
December Weather	26°C (80°F)	56 mm (2.2 inches)	82%	extreme