September weather forecast
Cap Estate, Saint Lucia

September in Cap Estate sees a downturn in rainfall, with totals going down to 63mm (2.48"). A minor spike in temperature is experienced, with the high temperature rising to 30.3°C (86.5°F) which is the highest for the year. This makes this month perfect for indulging in water sports, given that sea temperatures are just right. Tourists enjoy scenic ocean views and beachside fine dining, embracing the pleasant weather. The city's nightlife also warms up, providing a lively atmosphere for nocturnal activities.

Temperature

September, recognised by an average high temperature of 30.3°C (86.5°F) and a low of 27°C (80.6°F), is Cap Estate's warmest month.

Heat index

For most parts of September, the heat index is calculated to be a torrid 37°C (98.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The months with the lowest humidity are January through March and September, with an average relative humidity of 73%.

Rainfall

In September, the rain falls for 20.3 days. Throughout September, 63mm (2.48") of precipitation is accumulated. Throughout the year, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.

Sea temperature

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

In Cap Estate, the average length of the day in September is 12h and 13min.
On the first day of September in Cap Estate, 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 17:53 AST.

Sunshine

The average sunshine in September is 9.6h.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Cap Estate, Saint Lucia. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice! Sand and water reflections contribute to a stronger UV exposure.