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September Weather in Sincelejo, Colombia

Last updated: August 23, 2025

In September, the average temperature in Sincelejo, Colombia hovers around 28°C (82°F). Expect a comfortable minimum of 23°C (74°F) and a warm maximum of 34°C (93°F). However, with an average humidity of 87% and precipitation totaling 211 mm (8.3 in) over 29 days, be prepared for some damp days amidst the heat!

September Temperature in Sincelejo

In September in Sincelejo, the average temperature is 28°C (82°F). Maximums can reach 34°C (93°F), while minimums can dip to as low as 23°C (74°F). This warm climate makes Sincelejo an ideal destination for travelers seeking sunny weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Sincelejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sincelejo, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec838484838282828282818182
Data source: Temperature data for Sincelejo 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 Sincelejo

In Sincelejo, in September, the total precipitation amount is 211 mm (8.3 in) recorded over a span of 29 days.

September Precipitation Trends in Sincelejo

The chart displays monthly precipitation patterns in Sincelejo, 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 Sincelejo, September typically receives around 211 mm (8.3 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec2474114526723420420921121517756
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sincelejo

In Sincelejo in September humidity is 87%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket wrapping around you, making travel challenging as you navigate the air's heavy moisture.

September Average Humidity in Sincelejo

This chart illustrates the average monthly humidity levels in Sincelejo, 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 Sincelejo 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 Sincelejo

In Sincelejo 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 Sincelejo.

Maximum UV Index Levels in Sincelejo for September

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

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

This table compares monthly weather conditions in Sincelejo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)24 mm (0.9 inches)70%extreme
February Weather29°C (84°F)7 mm (0.3 inches)67%extreme
March Weather29°C (84°F)41 mm (1.6 inches)65%extreme
April Weather28°C (83°F)145 mm (5.7 inches)67%extreme
May Weather28°C (83°F)267 mm (10.5 inches)79%extreme
June Weather28°C (83°F)234 mm (9.2 inches)87%extreme
July Weather28°C (83°F)204 mm (8.0 inches)88%extreme
August Weather28°C (82°F)209 mm (8.2 inches)87%extreme
September Weather28°C (82°F)211 mm (8.3 inches)87%extreme
October Weather27°C (81°F)215 mm (8.5 inches)86%extreme
November Weather27°C (82°F)177 mm (7.0 inches)86%extreme
December Weather28°C (83°F)56 mm (2.2 inches)80%very high

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