nomadseason

September Weather in Santiago de Tolu, Colombia

Last updated: August 23, 2025

In Santiago de Tolu, Colombia, the average temperature in September reaches a warm 27°C (82°F), with a minimum of 23°C (73°F) and a maximum climbing to 33°C (92°F). Expect quite a bit of rain, with 223 mm (8.8 in) of precipitation spread over 29 days, contributing to an average humidity of a steamy 87%.

September Temperature in Santiago de Tolu

In September in Santiago de Tolu, the average temperature is 27°C (82°F). Maximums can reach 33°C (92°F) and minimums can be as low as 23°C (73°F). This comfortable climate makes Santiago de Tolu an excellent destination for travelers seeking warm and pleasant weather.

September Weather in Santiago de Tolu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santiago de Tolu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago de Tolu, September typically has an average temperature of 27°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec828383828282828281818182
Data source: Temperature data for Santiago de Tolu generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Santiago de Tolu

In Santiago de Tolu in September, the total precipitation amount is 223 mm (8.8 in) spread over a duration of 29 days.

September Precipitation Trends in Santiago de Tolu

The chart displays monthly precipitation patterns in Santiago de Tolu, 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 Santiago de Tolu, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec24104515025723521622522321517256
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Santiago de Tolu

In Santiago de Tolu in September, humidity is 87%. With an average temperature of 27°C (82°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and draining; it's essential to stay hydrated and take breaks in shaded areas to truly enjoy your exploration.

September Average Humidity in Santiago de Tolu

This chart illustrates the average monthly humidity levels in Santiago de Tolu, 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 Santiago de Tolu is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%65%67%79%87%88%87%87%86%86%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santiago de Tolu

In Santiago de Tolu 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 Santiago de Tolu.

Maximum UV Index Levels in Santiago de Tolu for September

The chart shows the monthly maximum UV Index (UVI) for Santiago de Tolu 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 Santiago de Tolu typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111213151413131313131110
Data source: Santiago de Tolu 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 Santiago de Tolu Compares to Other Months

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

This table compares monthly weather conditions in Santiago de Tolu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)24 mm (1.0 inches)70%extreme
February Weather28°C (83°F)10 mm (0.4 inches)67%extreme
March Weather28°C (83°F)45 mm (1.8 inches)65%extreme
April Weather28°C (83°F)150 mm (5.9 inches)67%extreme
May Weather28°C (82°F)257 mm (10.1 inches)79%extreme
June Weather28°C (82°F)235 mm (9.2 inches)87%extreme
July Weather28°C (82°F)216 mm (8.5 inches)88%extreme
August Weather28°C (82°F)225 mm (8.9 inches)87%extreme
September Weather27°C (82°F)223 mm (8.8 inches)87%extreme
October Weather27°C (81°F)215 mm (8.4 inches)86%extreme
November Weather27°C (81°F)172 mm (6.8 inches)86%extreme
December Weather28°C (82°F)56 mm (2.2 inches)80%very high

Compare Santiago de Tolu's Climate with Cities Worldwide