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September Weather in Union Choco, Panama

Last updated: August 27, 2025

In Union Choco, Panama, the average temperature in September hovers around 25°C (77°F), with a pleasant range that fluctuates between a minimum of 20°C (68°F) and a maximum of 32°C (90°F). Expect 387 mm (15.2 in) of precipitation over 30 days, accompanied by an average humidity of 82%. Whether you're planning a trip or simply curious about the climate, be prepared for warm days and the possibility of rain!

September Temperature in Union Choco

In September in Union Choco, the average temperature is 25°C (77°F). Maximum temperatures can reach 32°C (90°F) and minimums can dip as low as 20°C (68°F). This makes it an ideal time for travelers seeking warm weather and pleasant conditions.

September Weather in Union Choco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Union Choco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union Choco, September typically has an average temperature of 25°C (77°F), with highs reaching up to 32°C (90°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec777878787877777777777777
Data source: Temperature data for Union Choco 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 Union Choco

In Union Choco in September, the total precipitation amount is 387 mm (15.2 in) over the course of 30 days.

September Precipitation Trends in Union Choco

The chart displays monthly precipitation patterns in Union Choco, 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 Union Choco, September typically receives around 387 mm (15.2 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec7134103216374373408373387386259136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Union Choco

In Union Choco in September, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

September Average Humidity in Union Choco

This chart illustrates the average monthly humidity levels in Union Choco, 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 Union Choco is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%74%77%81%86%83%82%82%81%83%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Union Choco

In Union Choco in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Union Choco, you can check here.

Maximum UV Index Levels in Union Choco for September

The chart shows the monthly maximum UV Index (UVI) for Union Choco 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 Union Choco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513131314131210
Data source: Union Choco 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 Union Choco Compares to Other Months

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

This table compares monthly weather conditions in Union Choco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)71 mm (2.8 inches)76%extreme
February Weather26°C (79°F)34 mm (1.3 inches)76%extreme
March Weather26°C (78°F)102 mm (4.0 inches)74%extreme
April Weather26°C (78°F)216 mm (8.5 inches)77%extreme
May Weather25°C (78°F)374 mm (14.7 inches)81%extreme
June Weather25°C (78°F)373 mm (14.7 inches)86%extreme
July Weather25°C (78°F)408 mm (16.1 inches)83%extreme
August Weather25°C (78°F)373 mm (14.7 inches)82%extreme
September Weather25°C (77°F)387 mm (15.2 inches)82%extreme
October Weather25°C (77°F)386 mm (15.2 inches)81%extreme
November Weather25°C (77°F)259 mm (10.2 inches)83%extreme
December Weather25°C (78°F)136 mm (5.4 inches)82%very high

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