September weather forecast
La Retraite, Saint Lucia

La Retraite, Saint Lucia, in September continues to mesmerize visitors with its tropical lure. This month takes the crown for the most rainfall days in a single month, at 25 days. The consistent rain showers enhance the natural verdure, painting the cityscape in varying shades of green. Despite the increased cloud cover, daylight hours stay hopeful, signaling summer's last stand. September's weather in La Retraite remains filled with tropical grandeur, making it a memorable month.

Temperature

The warmest months are May through October, with an average high-temperature of 30°C (86°F).

Rainfall

In La Retraite, in September, during 25 rainfall days, 224mm (8.82") of precipitation is typically accumulated. In La Retraite, Saint Lucia, during the entire year, the rain falls for 209 days and collects up to 2035mm (80.12") of precipitation.

Sea temperature

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in La Retraite.
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.

Daylight

In September, the average length of the day in La Retraite is 12h and 12min.
On the first day of September, sunrise is at 05:52 and sunset at 18:14. On the last day of the month, sunrise is at 05:53 and sunset at 17:54 AST.

Sunshine

January through September, November and December, with an average of 8h of sunshine, are months with the most sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in La Retraite. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 12 during September, leads to the following recommendations:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Even if the day is cloudy, sunscreen with SPF of at least 30 should be applied generously and reapplied often, particularly after swimming or outdoor exercise. Caution! The mirror effect of sand and water ups the UV radiation strength.