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September Weather in Tumaco, Colombia

Last updated: August 23, 2025

In September, the average temperature in Tumaco, Colombia hovers around 26°C (78°F), making it a warm destination for travelers. The temperature range typically varies from a comfortable 24°C (75°F) to a pleasant 28°C (82°F). However, be prepared for some rain, as the area experiences an average precipitation of 217 mm (8.5 in) over 28 days, and the humidity can reach a notable 88%.

September Temperature in Tumaco

In September in Tumaco, the average temperature is 26°C (78°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop to as low as 24°C (75°F). This pleasant climate makes Tumaco an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates September temperature patterns in Tumaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tumaco, September typically has an average temperature of 26°C (78°F), with highs reaching up to 28°C (82°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec787979798079797878787878
Data source: Temperature data for Tumaco 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 Tumaco

In Tumaco in September, the total precipitation amount is 217 mm (8.5 in) spread out over 28 days.

September Precipitation Trends in Tumaco

The chart displays monthly precipitation patterns in Tumaco, 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 Tumaco, September typically receives around 217 mm (8.5 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec446339266300347283205185217180191339
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tumaco

In Tumaco in September, humidity is 88%. With an average temperature of 26°C (78°F), this humidity feels like stepping into a warm, thick blanket, making travel feel heavy and sticky, where the air clings to your skin and every movement can feel laborious.

September Average Humidity in Tumaco

This chart illustrates the average monthly humidity levels in Tumaco, 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 Tumaco is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%91%88%87%84%78%80%88%90%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tumaco

In Tumaco in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Tumaco.

Maximum UV Index Levels in Tumaco for September

The chart shows the monthly maximum UV Index (UVI) for Tumaco 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 Tumaco typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151412131313131211
Data source: Tumaco 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 Tumaco Compares to Other Months

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

This table compares monthly weather conditions in Tumaco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)446 mm (17.6 inches)89%extreme
February Weather26°C (79°F)339 mm (13.4 inches)90%extreme
March Weather26°C (80°F)266 mm (10.5 inches)91%extreme
April Weather26°C (80°F)300 mm (11.8 inches)88%extreme
May Weather26°C (80°F)347 mm (13.7 inches)87%extreme
June Weather26°C (79°F)283 mm (11.2 inches)84%extreme
July Weather26°C (79°F)205 mm (8.1 inches)78%extreme
August Weather26°C (78°F)185 mm (7.3 inches)80%extreme
September Weather26°C (78°F)217 mm (8.5 inches)88%extreme
October Weather26°C (78°F)180 mm (7.1 inches)90%extreme
November Weather26°C (78°F)191 mm (7.5 inches)89%extreme
December Weather26°C (78°F)339 mm (13.3 inches)86%extreme

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