September weather forecast
Cienfuegos, Cuba

For those desiring an authentic tropical climate experience, September in Cienfuegos delivers, boasting high temperatures from 24.2°C (75.6°F) to 30.8°C (87.4°F). As a continuation of the rainy season, it receives the highest rainfall of the year at 137mm (5.39"). The humidity levels rise to 81%, further enhancing the tropical feel. Despite the frequent precipitation, the city benefits from adequate sunshine and somewhat less daylight due to shortening days. The wind maintains a consistent speed, ensuring the comfort to the city's visitors and inhabitants.

Temperature

The initiation of September in Cienfuegos, Cuba, records an average high-temperature of a still hot 30.8°C (87.4°F), displaying a near consistency with the previous month. An average low-temperature of 24.2°C (75.6°F) marks the nights in Cienfuegos throughout September.

Heat index

The heat index in September is estimated at a blisteringly hot 41°C (105.8°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Cienfuegos, the average relative humidity in September is 81%.

Rainfall

September is the month with the most rainfall. Rain falls for 27.4 days and accumulates 137mm (5.39") of precipitation.

Daylight

In Cienfuegos, the average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 07:04 and sunset at 19:37. On the last day of the month, sunrise is at 07:12 and sunset at 19:09 CDT.

Sunshine

In September, the average sunshine in Cienfuegos is 9.3h.

UV index

The months with the highest UV index in Cienfuegos are April through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 7 suggests this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.