September Weather in Guarumal, Panama

Last updated: August 27, 2025

In September, the average temperature in Guarumal, Panama hovers around 26°C (80°F), offering a pleasant climate. Expect minimum temperatures of 24°C (75°F) and maximum highs reaching 31°C (88°F). However, don't forget your umbrella—328 mm (12.9 in) of precipitation is expected over the 30 days, coupled with a high average humidity of 81%, creating a tropical atmosphere.

September Temperature in Guarumal

In September in Guarumal, the average temperature is 26°C (80°F). Maximum temperatures can reach 31°C (88°F), while minimum temperatures can drop to as low as 24°C (75°F). It's an ideal time for travelers seeking warm weather and comfortable conditions to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Guarumal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guarumal, September typically has an average temperature of 26°C (80°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (75°F).

Data source: Temperature data for Guarumal generated using information from the Copernicus Climate Change Service.

September Precipitation in Guarumal

In Guarumal in September, the total precipitation amount is 328 mm (12.9 in) spread over a duration of 30 days.

September Precipitation Trends in Guarumal

The chart displays monthly precipitation patterns in Guarumal, 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 Guarumal, September typically receives around 328 mm (12.9 inches) of precipitation spread over approximately 30 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Guarumal

In Guarumal in September, humidity is 81%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Guarumal

This chart illustrates the average monthly humidity levels in Guarumal, 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 Guarumal is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Guarumal

In Guarumal 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 Guarumal, you can check here.

Maximum UV Index Levels in Guarumal for September

The chart shows the monthly maximum UV Index (UVI) for Guarumal 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 Guarumal typically reaches 14, which falls under the extreme exposure category.

Data source: Guarumal 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 Guarumal Compares to Other Months

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

This table compares monthly weather conditions in Guarumal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	33 mm (1.3 inches)	68%	extreme
February Weather	29°C (84°F)	17 mm (0.7 inches)	68%	extreme
March Weather	29°C (85°F)	11 mm (0.4 inches)	66%	extreme
April Weather	28°C (83°F)	137 mm (5.4 inches)	67%	extreme
May Weather	27°C (81°F)	342 mm (13.4 inches)	69%	extreme
June Weather	27°C (81°F)	308 mm (12.1 inches)	84%	extreme
July Weather	27°C (80°F)	334 mm (13.1 inches)	85%	extreme
August Weather	27°C (80°F)	354 mm (13.9 inches)	82%	extreme
September Weather	26°C (80°F)	328 mm (12.9 inches)	81%	extreme
October Weather	26°C (79°F)	444 mm (17.5 inches)	80%	extreme
November Weather	26°C (79°F)	389 mm (15.3 inches)	80%	extreme
December Weather	27°C (80°F)	114 mm (4.5 inches)	72%	extreme