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September Weather in Arjona, Colombia

Last updated: August 23, 2025

In September, the average temperature in Arjona, Colombia is a warm 28°C (82°F), where it can dip to a comfortable 24°C (75°F) or soar to a steamy 36°C (98°F). This month, expect a total precipitation of 188 mm (7.4 in) spread over 27 days, contributing to an average humidity level of 85%. Stay prepared for some humidity as you enjoy the tropical climate!

September Temperature in Arjona

In September in Arjona, the average temperature is 28°C (82°F). Maximums can reach 36°C (98°F), while minimums can dip to as low as 24°C (75°F). Travelers should be prepared for warm weather and pack accordingly to enjoy their time in this pleasant climate.

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

The chart illustrates September temperature patterns in Arjona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arjona, September typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (98°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec838584848383838282818183
Data source: Temperature data for Arjona 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 Arjona

In Arjona in September, the precipitation amount is 188 mm (7.4 in) over the course of 27 days.

September Precipitation Trends in Arjona

The chart displays monthly precipitation patterns in Arjona, 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 Arjona, September typically receives around 188 mm (7.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec1353010018618414219818819413738
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arjona

In Arjona in September humidity is 85%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a sweaty endeavor and requiring frequent breaks to stay refreshed.

September Average Humidity in Arjona

This chart illustrates the average monthly humidity levels in Arjona, 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 Arjona is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%77%77%79%79%85%87%85%85%83%82%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arjona

In Arjona 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 Arjona.

Maximum UV Index Levels in Arjona for September

The chart shows the monthly maximum UV Index (UVI) for Arjona 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 Arjona typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141313121313131110
Data source: Arjona 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 Arjona Compares to Other Months

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

This table compares monthly weather conditions in Arjona, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)13 mm (0.5 inches)77%extreme
February Weather29°C (85°F)5 mm (0.2 inches)77%extreme
March Weather29°C (85°F)30 mm (1.2 inches)77%extreme
April Weather29°C (84°F)100 mm (3.9 inches)79%extreme
May Weather28°C (83°F)186 mm (7.3 inches)79%extreme
June Weather28°C (83°F)184 mm (7.3 inches)85%extreme
July Weather28°C (83°F)142 mm (5.6 inches)87%extreme
August Weather28°C (83°F)198 mm (7.8 inches)85%extreme
September Weather28°C (82°F)188 mm (7.4 inches)85%extreme
October Weather27°C (81°F)194 mm (7.6 inches)83%extreme
November Weather27°C (82°F)137 mm (5.4 inches)82%extreme
December Weather28°C (83°F)38 mm (1.5 inches)78%very high

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