September weather forecast
Güirabo, Cuba

The first month of the autumn, September, is still a hot month in Güirabo, Cuba, with an average temperature varying between 32.4°C (90.3°F) and 23.1°C (73.6°F).

Temperature

September's onset records a minor alteration in the average high-temperature to a still tropical 32.4°C (90.3°F) from August's 33.6°C (92.5°F). September nights observe an average temperature dip to a moderately hot 23.1°C (73.6°F).

Heat index

For September, the heat index is calculated to be a burning hot 46°C (114.8°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.
Consider that heat index readings are for situations in the shade and light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Güirabo, in September, it is raining for 14.2 days, with typically 37mm (1.46") of accumulated precipitation. In Güirabo, during the entire year, the rain falls for 150.7 days and collects up to 261mm (10.28") of precipitation.

Daylight

In Güirabo, the average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 06:49 and sunset at 19:20. On the last day of September, sunrise is at 06:56 and sunset at 18:53 CDT.

Sunshine

In September, the average sunshine in Güirabo is 10.9h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.