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September Weather in Palermo, Colombia

Last updated: August 23, 2025

In September, the average temperature in Palermo, Colombia hovers around 24°C (75°F). Expect a comfortable range, with minimums dropping to 15°C (59°F) and maximums reaching up to 34°C (93°F). This month also brings 26 mm (1.0 in) of precipitation over 4 days, contributing to an average humidity of 69%. Prepare for a pleasant blend of warmth and moisture!

September Temperature in Palermo

In September in Palermo, the average temperature is 24°C (75°F). Maximums can reach 34°C (93°F) and minimums can be as low as 15°C (59°F). This pleasant weather makes Palermo an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates September temperature patterns in Palermo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palermo, September typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec737473737373737475747373
Data source: Temperature data for Palermo 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 Palermo

In Palermo in September, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

September Precipitation Trends in Palermo

The chart displays monthly precipitation patterns in Palermo, 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 Palermo, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec861231561601337225182611016276
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Palermo

In Palermo in September, humidity is 69%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making it both refreshing and somewhat muggy for traveling.

September Average Humidity in Palermo

This chart illustrates the average monthly humidity levels in Palermo, 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 Palermo is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%78%81%88%85%75%64%70%80%85%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Palermo

In Palermo 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 Palermo.

Maximum UV Index Levels in Palermo for September

The chart shows the monthly maximum UV Index (UVI) for Palermo 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 Palermo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141617171614151515151412
Data source: Palermo 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 Palermo Compares to Other Months

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

This table compares monthly weather conditions in Palermo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)86 mm (3.4 inches)74%extreme
February Weather23°C (74°F)123 mm (4.8 inches)71%extreme
March Weather23°C (73°F)156 mm (6.1 inches)78%extreme
April Weather23°C (73°F)160 mm (6.3 inches)81%extreme
May Weather23°C (73°F)133 mm (5.2 inches)88%extreme
June Weather23°C (73°F)72 mm (2.8 inches)85%extreme
July Weather23°C (73°F)25 mm (1.0 inches)75%extreme
August Weather23°C (74°F)18 mm (0.7 inches)64%extreme
September Weather24°C (75°F)26 mm (1.0 inches)69%extreme
October Weather23°C (74°F)110 mm (4.3 inches)80%extreme
November Weather23°C (73°F)162 mm (6.4 inches)85%extreme
December Weather23°C (74°F)76 mm (3.0 inches)82%extreme

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