September weather forecast
Carlos Manuel de Cespedes, Cuba

The first month of the autumn, September, is also a hot month in Carlos Manuel de Cespedes, Cuba, with temperature in the range of an average low of 23.2°C (73.8°F) and an average high of 31.9°C (89.4°F).

Temperature

September's onset records a minor alteration in the average high-temperature to a still hot 31.9°C (89.4°F) from August's 33°C (91.4°F). An average low-temperature of 23.2°C (73.8°F) is observed during September nights in Carlos Manuel de Cespedes.

Heat index

The heat index for September is estimated at a blazing hot 45°C (113°F). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. 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 extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In Carlos Manuel de Cespedes, the average relative humidity in September is 83%.

Rainfall

In Carlos Manuel de Cespedes, in September, during 21.5 rainfall days, 98mm (3.86") of precipitation is typically accumulated. In Carlos Manuel de Cespedes, during the entire year, the rain falls for 191.7 days and collects up to 672mm (26.46") of precipitation.

Daylight

In Carlos Manuel de Cespedes, the average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 06:56 and sunset at 19:29. On the last day of the month, sunrise is at 07:04 and sunset at 19:01 CDT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.