September Weather in Cuba, United States

Last updated: June 24, 2025

In September, the average temperature in Cuba, United States hovers around 22°C (72°F). Expect a refreshing range, with minimums dipping to 8°C (46°F) and maximums peaking at 34°C (94°F). Precipitation is relatively modest, averaging 57 mm (2.2 in) over 6 days, complemented by an average humidity of 68%. Enjoy the climate!

September Temperature in Cuba

In September in Cuba, the average temperature is 22°C (72°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 8°C (46°F). This variety in temperatures makes it essential to pack layers to ensure comfort during your travels.

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

The chart illustrates September temperature patterns in Cuba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cuba, September typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Cuba

In Cuba in September, the precipitation amount is 57 mm (2.2 in) over a span of 6 days.

September Precipitation Trends in Cuba

The chart displays monthly precipitation patterns in Cuba, 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 Cuba, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 6 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 Cuba

In Cuba in September humidity is 68%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, slightly stifling but still manageable for traveling, creating an atmosphere that encourages leisurely outdoor activities while prompting occasional breaks for refreshment.

September Average Humidity in Cuba

This chart illustrates the average monthly humidity levels in Cuba, 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 Cuba is approximately 68%, 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 Cuba

In Cuba in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Cuba.

Maximum UV Index Levels in Cuba for September

The chart shows the monthly maximum UV Index (UVI) for Cuba 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 Cuba typically reaches 9, which falls under the very high exposure category.

Data source: Cuba 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 Cuba Compares to Other Months

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

This table compares monthly weather conditions in Cuba, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	77 mm (3.0 inches)	83%	moderate
February Weather	2°C (37°F)	90 mm (3.6 inches)	81%	moderate
March Weather	9°C (48°F)	132 mm (5.2 inches)	80%	high
April Weather	13°C (55°F)	140 mm (5.5 inches)	80%	very high
May Weather	19°C (66°F)	177 mm (7.0 inches)	83%	very high
June Weather	24°C (75°F)	85 mm (3.3 inches)	83%	extreme
July Weather	26°C (79°F)	89 mm (3.5 inches)	76%	extreme
August Weather	24°C (76°F)	110 mm (4.3 inches)	69%	very high
September Weather	22°C (72°F)	57 mm (2.2 inches)	68%	very high
October Weather	15°C (59°F)	110 mm (4.3 inches)	72%	high
November Weather	7°C (45°F)	68 mm (2.7 inches)	83%	moderate
December Weather	4°C (40°F)	58 mm (2.3 inches)	86%	moderate