September weather forecast
Bisee, Saint Lucia

Entering autumn, Bisee, Saint Lucia in September sees a downward trend in rainfall from August. The rainfall tapers to a monthly average of 63mm (2.48"), distributed over 20.3 days. As an emergence from the peak wet period, the city witnesses a reduction in humidity levels and temperature range remains static. However, the daylight hours start to recede, signaling an opportunistic change for inhabitants and visitors to revel in the city's tropical charm without the weight of rain showers.

Temperature

In Bisee, the month of September is known for its highest average temperatures, reaching a high of 30.3°C (86.5°F) and a low of 27°C (80.6°F).

Heat index

For September, the heat index is computed to be a fiery hot 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

January through March and September, with an average relative humidity of 73%, are the least humid months in Bisee.

Rainfall

In Bisee, Saint Lucia, in September, during 20.3 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Bisee, Saint Lucia, during the entire year, the rain falls for 255.2 days and collects up to 560mm (22.05") of precipitation.

Daylight

The average length of the day in September in Bisee is 12h and 13min.
On the first day of September, sunrise is at 05:52 and sunset at 18:15. On the last day of the month, sunrise is at 05:53 and sunset at 17:54 AST.

Sunshine

In Bisee, the average sunshine in September is 9.6h.

UV index

The months with the highest UV index in Bisee are January through May, July through December, 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 the average person.
Note: In September, the maximum UV index of 7 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.