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September Weather in Altos del Rosario, Colombia

Last updated: August 23, 2025

In September, the average temperature in Altos del Rosario, Colombia is a warm 27°C (82°F). Expect minimums around 23°C (74°F) and maximums peaking at 35°C (95°F). Be prepared for significant rainfall, with an average precipitation amount of 463 mm (18.2 in) spread over 29 days. The air is quite humid, with an average humidity level of 83%.

September Temperature in Altos del Rosario

In September in Altos del Rosario, the average temperature is 27°C (82°F). Maximums can reach 35°C (95°F) and minimums can be as low as 23°C (74°F). This climate makes Altos del Rosario an ideal destination for travelers seeking warm weather and plenty of opportunities for outdoor activities.

September Weather in Altos del Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Altos del Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altos del Rosario, September typically has an average temperature of 27°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec838684838282838281818183
Data source: Temperature data for Altos del Rosario 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 Altos del Rosario

In Altos del Rosario in September, the total precipitation amount reaches 463 mm (18.2 in) over the course of 29 days.

September Precipitation Trends in Altos del Rosario

The chart displays monthly precipitation patterns in Altos del Rosario, 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 Altos del Rosario, September typically receives around 463 mm (18.2 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec5112108329550559566607463462295112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Altos del Rosario

In Altos del Rosario in September humidity is 83%. With an average temperature of 27°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities exhausting and encouraging visitors to seek the comfort of shade or air conditioning while exploring the area.

September Average Humidity in Altos del Rosario

This chart illustrates the average monthly humidity levels in Altos del Rosario, 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 Altos del Rosario is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%47%45%46%62%81%87%83%83%85%83%65%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Altos del Rosario

In Altos del Rosario 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 Altos del Rosario.

Maximum UV Index Levels in Altos del Rosario for September

The chart shows the monthly maximum UV Index (UVI) for Altos del Rosario 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 Altos del Rosario typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214151413131313131110
Data source: Altos del Rosario 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 Altos del Rosario Compares to Other Months

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

This table compares monthly weather conditions in Altos del Rosario, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (84°F)51 mm (2.0 inches)51%extreme
February Weather30°C (86°F)11 mm (0.5 inches)47%extreme
March Weather29°C (85°F)108 mm (4.2 inches)45%extreme
April Weather28°C (83°F)329 mm (13.0 inches)46%extreme
May Weather28°C (82°F)549 mm (21.6 inches)62%extreme
June Weather28°C (82°F)559 mm (22.0 inches)81%extreme
July Weather28°C (83°F)566 mm (22.3 inches)87%extreme
August Weather28°C (82°F)607 mm (23.9 inches)83%extreme
September Weather27°C (82°F)463 mm (18.2 inches)83%extreme
October Weather27°C (81°F)462 mm (18.2 inches)85%extreme
November Weather27°C (81°F)295 mm (11.6 inches)83%extreme
December Weather28°C (83°F)112 mm (4.4 inches)65%very high

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