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September Weather in Santa Rosa, Colombia

Last updated: August 23, 2025

In Santa Rosa, Colombia, the average temperature for September hovers around 13°C (55°F), with a minimum dipping to 5°C (41°F) and a maximum reaching 21°C (70°F). This month experiences a substantial precipitation total of 120 mm (4.7 in) spread across approximately 25 days, contributing to an average humidity level of 53%.

September Temperature in Santa Rosa

In September in Santa Rosa, the average temperature is 13°C (55°F). Maximum can reach 21°C (70°F) and minimum can be as low as 5°C (41°F). This moderate weather makes Santa Rosa an ideal destination for travelers seeking comfort during their adventures.

September Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, 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 (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec575858575755545455565857
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in September, the precipitation amount is 120 mm (4.7 in) over the course of 25 days.

September Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, September typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec157233257229234231228147120176205162
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Rosa

In Santa Rosa in September humidity is 53%. With an average temperature of 13°C (55°F), this humidity feels like a crisp morning breeze, making it perfect for exploring the sights without feeling too hot or sticky.

September Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%66%74%83%93%93%84%61%53%67%78%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Rosa

In Santa Rosa 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 Santa Rosa.

Maximum UV Index Levels in Santa Rosa for September

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161618181614151515161513
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)157 mm (6.2 inches)72%extreme
February Weather14°C (58°F)233 mm (9.2 inches)66%extreme
March Weather14°C (58°F)257 mm (10.1 inches)74%extreme
April Weather14°C (57°F)229 mm (9.0 inches)83%extreme
May Weather14°C (57°F)234 mm (9.2 inches)93%extreme
June Weather13°C (56°F)231 mm (9.1 inches)93%extreme
July Weather12°C (54°F)228 mm (9.0 inches)84%extreme
August Weather12°C (54°F)147 mm (5.8 inches)61%extreme
September Weather13°C (55°F)120 mm (4.7 inches)53%extreme
October Weather14°C (57°F)176 mm (6.9 inches)67%extreme
November Weather15°C (59°F)205 mm (8.1 inches)78%extreme
December Weather14°C (58°F)162 mm (6.4 inches)85%extreme

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