September Weather in Palo Seco, Puerto Rico

Last updated: August 31, 2025

In September, the average temperature in Palo Seco, Puerto Rico is a pleasant 27°C (81°F). Expect a minimum temperature of 24°C (76°F), while the maximum can reach up to 30°C (86°F). During this month, Palo Seco experiences roughly 190 mm (7.5 in) of precipitation spread over 27 days, contributing to the area's average humidity of 79%.

September Temperature in Palo Seco

In September in Palo Seco, the average temperature is 27°C (81°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 24°C (76°F). It's a great time to visit for those who enjoy warm, pleasant weather.

September Weather in Palo Seco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Palo Seco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palo Seco, September typically has an average temperature of 27°C (81°F), with highs reaching up to 30°C (86°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Palo Seco

In Palo Seco in September, the total precipitation amount is 190 mm (7.5 in) spread over 27 days.

September Precipitation Trends in Palo Seco

The chart displays monthly precipitation patterns in Palo Seco, 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 Palo Seco, September typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 27 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 Palo Seco

In Palo Seco in September, humidity is 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

September Average Humidity in Palo Seco

This chart illustrates the average monthly humidity levels in Palo Seco, 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 Palo Seco is approximately 79%, 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 Palo Seco

In Palo Seco 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 Palo Seco, you can check here.

Maximum UV Index Levels in Palo Seco for September

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

Data source: Palo Seco 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 Palo Seco Compares to Other Months

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

This table compares monthly weather conditions in Palo Seco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	48 mm (1.9 inches)	76%	very high
February Weather	24°C (76°F)	51 mm (2.0 inches)	75%	extreme
March Weather	24°C (76°F)	64 mm (2.5 inches)	75%	extreme
April Weather	25°C (77°F)	67 mm (2.7 inches)	76%	extreme
May Weather	25°C (78°F)	97 mm (3.8 inches)	76%	extreme
June Weather	26°C (79°F)	92 mm (3.6 inches)	78%	extreme
July Weather	27°C (80°F)	139 mm (5.5 inches)	81%	extreme
August Weather	27°C (81°F)	134 mm (5.3 inches)	80%	extreme
September Weather	27°C (81°F)	190 mm (7.5 inches)	79%	extreme
October Weather	27°C (80°F)	165 mm (6.5 inches)	78%	extreme
November Weather	26°C (79°F)	119 mm (4.7 inches)	78%	very high
December Weather	25°C (77°F)	67 mm (2.6 inches)	77%	very high