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September Weather in Esperanza, Puerto Rico

Last updated: August 31, 2025

The average temperature in Esperanza, Puerto Rico during September is a warm 28°C (82°F), with a minimum of 25°C (78°F) and a maximum of 29°C (85°F). Be prepared for some rain, as the area receives an average precipitation of 179 mm (7.0 in) over 23 days. Additionally, the average humidity sits at a comfortable 79%, making it a perfect time to enjoy the local scenery!

September Temperature in Esperanza

In September in Esperanza, the average temperature is 28°C (82°F), with maximums reaching 29°C (85°F) and minimums dropping to as low as 25°C (78°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Esperanza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Esperanza, September typically has an average temperature of 28°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777787981818282818079
Data source: Temperature data for Esperanza 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 Esperanza

In Esperanza in September, the total precipitation amount reaches 179 mm (7.0 in) over the course of 23 days.

September Precipitation Trends in Esperanza

The chart displays monthly precipitation patterns in Esperanza, 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 Esperanza, September typically receives around 179 mm (7.0 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec44425549728113013517915511965
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Esperanza

In Esperanza in September humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

September Average Humidity in Esperanza

This chart illustrates the average monthly humidity levels in Esperanza, 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 Esperanza is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Esperanza

In Esperanza 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 Esperanza, you can check here.

Maximum UV Index Levels in Esperanza for September

The chart shows the monthly maximum UV Index (UVI) for Esperanza 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 Esperanza typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141299
Data source: Esperanza 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 Esperanza Compares to Other Months

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

This table compares monthly weather conditions in Esperanza, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)44 mm (1.7 inches)76%very high
February Weather25°C (77°F)42 mm (1.7 inches)75%extreme
March Weather25°C (77°F)55 mm (2.2 inches)75%extreme
April Weather26°C (78°F)49 mm (1.9 inches)76%extreme
May Weather26°C (80°F)72 mm (2.8 inches)76%extreme
June Weather27°C (81°F)81 mm (3.2 inches)78%extreme
July Weather27°C (82°F)130 mm (5.1 inches)81%extreme
August Weather28°C (82°F)135 mm (5.3 inches)80%extreme
September Weather28°C (82°F)179 mm (7.0 inches)79%extreme
October Weather27°C (82°F)155 mm (6.1 inches)78%extreme
November Weather27°C (81°F)119 mm (4.7 inches)78%very high
December Weather26°C (79°F)65 mm (2.5 inches)77%very high

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