September weather forecast
San Vicente, Cuba

The first month of the autumn, September, is also a hot month in San Vicente, Cuba, with an average temperature varying between 22.6°C (72.7°F) and 31.2°C (88.2°F).

Temperature

San Vicente, Cuba, experiences a recorded average high-temperature of a still hot 31.2°C (88.2°F) in September, closely aligned with August's 31.8°C (89.2°F). San Vicente records an average nighttime low of 22.6°C (72.7°F) in September.

Heat index

Throughout September, the heat index is computed to be an extremely hot 42°C (107.6°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In San Vicente, Cuba, the average relative humidity in September is 81%.

Rainfall

In September, the rain falls for 26.5 days. Throughout September, 125mm (4.92") of precipitation is accumulated. Throughout the year, in San Vicente, there are 242.5 rainfall days, and 898mm (35.35") of precipitation is accumulated.

Daylight

The average length of the day in September in San Vicente, Cuba, is 12h and 15min.
On the first day of the month, sunrise is at 06:47 and sunset at 19:18. On the last day of September, in San Vicente, Cuba, sunrise is at 06:53 and sunset at 18:51 CDT.

Sunshine

In September, the average sunshine in San Vicente is 10.8h.

UV index

The months with the highest UV index in San Vicente, Cuba, are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.