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September Weather in Santa Rosa de Osos, Colombia

Last updated: August 23, 2025

In September, the average temperature in Santa Rosa de Osos, Colombia hovers around 17°C (63°F), with a minimum of 11°C (52°F) and a maximum reaching 26°C (79°F). Expect a significant amount of rain, with 299 mm (11.8 in) of precipitation spread over 24 days. The air is quite humid, with an average humidity level of 88%, making it a perfect time for indoor activities or enjoying the lush landscape.

September Temperature in Santa Rosa de Osos

In September, in Santa Rosa de Osos, the average temperature is 17°C (63°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as 11°C (52°F). This mild weather makes Santa Rosa de Osos a great destination for travelers looking to enjoy pleasant outdoor activities.

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

The chart illustrates September temperature patterns in Santa Rosa de Osos, 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 de Osos, September typically has an average temperature of 17°C (63°F), with highs reaching up to 26°C (79°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec626262636363636363626262
Data source: Temperature data for Santa Rosa de Osos 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 de Osos

In Santa Rosa de Osos in September, the precipitation amount is 299 mm (11.8 in) over the course of 24 days.

September Precipitation Trends in Santa Rosa de Osos

The chart displays monthly precipitation patterns in Santa Rosa de Osos, 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 de Osos, September typically receives around 299 mm (11.8 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec95179341405385215145183299329285124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Rosa de Osos

In Santa Rosa de Osos in September, humidity is 88%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket enveloping you, making outdoor activities feel stifling and sticky, potentially dampening the joy of exploration and requiring frequent breaks for hydration.

September Average Humidity in Santa Rosa de Osos

This chart illustrates the average monthly humidity levels in Santa Rosa de Osos, 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 de Osos is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%68%65%73%88%89%89%87%88%89%90%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Rosa de Osos

In Santa Rosa de Osos 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 de Osos.

Maximum UV Index Levels in Santa Rosa de Osos for September

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa de Osos 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 de Osos typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516171615151415141312
Data source: Santa Rosa de Osos 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 de Osos Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa de Osos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)95 mm (3.7 inches)74%extreme
February Weather17°C (62°F)179 mm (7.0 inches)68%extreme
March Weather17°C (62°F)340 mm (13.4 inches)65%extreme
April Weather17°C (63°F)405 mm (15.9 inches)73%extreme
May Weather17°C (63°F)385 mm (15.1 inches)88%extreme
June Weather17°C (63°F)214 mm (8.4 inches)89%extreme
July Weather17°C (64°F)145 mm (5.7 inches)89%extreme
August Weather17°C (64°F)183 mm (7.2 inches)87%extreme
September Weather17°C (63°F)299 mm (11.8 inches)88%extreme
October Weather16°C (62°F)329 mm (13.0 inches)89%extreme
November Weather17°C (62°F)285 mm (11.2 inches)90%extreme
December Weather17°C (62°F)124 mm (4.9 inches)85%extreme

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