September Weather in Arenas, Panama

Last updated: August 27, 2025

Experience the average temperature in Arenas, Panama during September at a pleasant 25°C (78°F). Expect a minimum of 24°C (75°F) and a maximum of 28°C (83°F). With an average precipitation of 455 mm (17.9 in) over 30 days and humidity hovering around 78%, this month provides a unique blend of warmth and moisture. Prepare for a delightful time!

September Temperature in Arenas

In September in Arenas, the average temperature is 25°C (78°F). Maximum temperatures can reach 28°C (83°F), while minimum temperatures can drop to as low as 24°C (75°F). This mild and pleasant weather makes Arenas an ideal destination for travelers seeking comfort and enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in Arenas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arenas, September typically has an average temperature of 25°C (78°F), with highs reaching up to 28°C (83°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797878787878777779
Data source: Temperature data for Arenas 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 Arenas

In Arenas in September, the precipitation amount is 455 mm (17.9 in) over the course of 30 days.

September Precipitation Trends in Arenas

The chart displays monthly precipitation patterns in Arenas, 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 Arenas, September typically receives around 455 mm (17.9 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec561419176365393391486455489513172
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arenas

In Arenas in September humidity is 78%. With an average temperature of 25°C (78°F), this humidity feels like walking through a warm, thick blanket, making every step feel heavier and the air noticeably sticky, which can be quite challenging for traveling.

September Average Humidity in Arenas

This chart illustrates the average monthly humidity levels in Arenas, 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 Arenas is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%74%76%78%83%80%79%78%77%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arenas

In Arenas 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 Arenas, you can check here.

Maximum UV Index Levels in Arenas for September

The chart shows the monthly maximum UV Index (UVI) for Arenas 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 Arenas typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513131314131211
Data source: Arenas 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 Arenas Compares to Other Months

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

This table compares monthly weather conditions in Arenas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)56 mm (2.2 inches)76%extreme
February Weather26°C (80°F)14 mm (0.6 inches)75%extreme
March Weather26°C (80°F)19 mm (0.8 inches)74%extreme
April Weather26°C (79°F)176 mm (6.9 inches)76%extreme
May Weather26°C (79°F)365 mm (14.4 inches)78%extreme
June Weather26°C (78°F)393 mm (15.5 inches)83%extreme
July Weather25°C (78°F)391 mm (15.4 inches)79%extreme
August Weather25°C (78°F)486 mm (19.1 inches)79%extreme
September Weather25°C (78°F)455 mm (17.9 inches)78%extreme
October Weather25°C (78°F)489 mm (19.2 inches)77%extreme
November Weather25°C (77°F)513 mm (20.2 inches)79%extreme
December Weather26°C (79°F)172 mm (6.8 inches)79%extreme

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