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September Weather in Santa Lucia, Cuba

Last updated: August 23, 2025

In Santa Lucia, Cuba, the average temperature in September hovers around 28°C (82°F), featuring comfortable days with highs reaching up to 33°C (92°F) and cooler evenings dipping to a minimum of 23°C (74°F). However, expect some rain during this period, with an average precipitation amount of 141 mm (5.6 in) spread over 18 days. The air feels quite humid, with an average humidity level of 80%, adding a touch of tropical warmth to your experience.

September Temperature in Santa Lucia

In September in Santa Lucia, the average temperature is 28°C (82°F). Maximum can reach 33°C (92°F) and minimum can be as low as 23°C (74°F). This pleasant climate makes Santa Lucia an ideal destination for travelers seeking warmth and sunshine.

September Weather in Santa Lucia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Lucia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Lucia, September typically has an average temperature of 28°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec757676787982838382817877
Data source: Temperature data for Santa Lucia 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 Santa Lucia

In Santa Lucia in September, the precipitation amount is 141 mm (5.6 in) spread over 18 days.

September Precipitation Trends in Santa Lucia

The chart displays monthly precipitation patterns in Santa Lucia, 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 Santa Lucia, September typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec4830515515554497814113611154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Lucia

In Santa Lucia in September, humidity is 80%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities sweaty and demanding frequent breaks in the shade while traveling.

September Average Humidity in Santa Lucia

This chart illustrates the average monthly humidity levels in Santa Lucia, 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 Santa Lucia is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%72%72%70%73%78%81%80%80%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Lucia

In Santa Lucia in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santa Lucia.

Maximum UV Index Levels in Santa Lucia for September

The chart shows the monthly maximum UV Index (UVI) for Santa Lucia 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 Santa Lucia typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131313121187
Data source: Santa Lucia 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 Santa Lucia Compares to Other Months

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

This table compares monthly weather conditions in Santa Lucia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)48 mm (1.9 inches)76%very high
February Weather25°C (77°F)30 mm (1.2 inches)74%extreme
March Weather24°C (76°F)51 mm (2.0 inches)72%extreme
April Weather26°C (78°F)55 mm (2.2 inches)72%extreme
May Weather26°C (80°F)155 mm (6.1 inches)70%extreme
June Weather28°C (82°F)54 mm (2.1 inches)73%extreme
July Weather28°C (83°F)49 mm (1.9 inches)78%extreme
August Weather28°C (83°F)78 mm (3.1 inches)81%extreme
September Weather28°C (82°F)141 mm (5.6 inches)80%extreme
October Weather27°C (81°F)136 mm (5.4 inches)80%extreme
November Weather26°C (79°F)111 mm (4.4 inches)82%very high
December Weather25°C (77°F)54 mm (2.1 inches)80%high

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