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September Weather in La Luisa, Puerto Rico

Last updated: August 31, 2025

In La Luisa, Puerto Rico, the average temperature in September hovers around 27°C (81°F), with a delightful range from a comfortable 24°C (75°F) to a warm 32°C (90°F). Expect some rain, as precipitation averages about 195 mm (7.7 in) over 23 days, contributing to an average humidity of 79%. Perfect for those who enjoy a tropical vibe!

September Temperature in La Luisa

In September in La Luisa, the average temperature is 27°C (81°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 24°C (75°F). This warm weather makes it an ideal time for outdoor activities and exploring what La Luisa has to offer.

September Weather in La Luisa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Luisa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Luisa, September typically has an average temperature of 27°C (81°F), with highs reaching up to 32°C (90°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676777981818281807977
Data source: Temperature data for La Luisa 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 La Luisa

In La Luisa in September, the precipitation amount is 195 mm (7.7 in) spread over 23 days, indicating a significant amount of rainfall for that period.

September Precipitation Trends in La Luisa

The chart displays monthly precipitation patterns in La Luisa, 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 La Luisa, September typically receives around 195 mm (7.7 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec404482728580899519515210244
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Luisa

In La Luisa 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 La Luisa

This chart illustrates the average monthly humidity levels in La Luisa, 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 La Luisa is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Luisa

In La Luisa 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 La Luisa.

Maximum UV Index Levels in La Luisa for September

The chart shows the monthly maximum UV Index (UVI) for La Luisa 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 La Luisa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: La Luisa 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 La Luisa Compares to Other Months

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

This table compares monthly weather conditions in La Luisa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)40 mm (1.6 inches)76%very high
February Weather24°C (76°F)44 mm (1.7 inches)75%extreme
March Weather25°C (76°F)82 mm (3.2 inches)74%extreme
April Weather25°C (78°F)72 mm (2.8 inches)75%extreme
May Weather26°C (80°F)85 mm (3.3 inches)75%extreme
June Weather27°C (81°F)80 mm (3.2 inches)77%extreme
July Weather27°C (82°F)89 mm (3.5 inches)80%extreme
August Weather28°C (82°F)95 mm (3.8 inches)80%extreme
September Weather27°C (81°F)195 mm (7.7 inches)79%extreme
October Weather27°C (80°F)152 mm (6.0 inches)78%extreme
November Weather26°C (79°F)102 mm (4.0 inches)78%very high
December Weather25°C (78°F)44 mm (1.7 inches)76%very high

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