September weather forecast
Les Cayes, Haiti

September observes a slight hike in rainfall, totalling to 219mm (8.62"), characterising the wet trend in Les Cayes, Haiti. Despite the escalated showers, temperatures linger at summer ranges, offering warm days and nights. The sea maintains its warmth, providing an enticing escape from the downpour. Shorter daylight hours herald the onset of autumn, yet the sun manages to hold its own. The contrast of the tropical heat, abundant rainfall, and the persistent sea warmth merits a unique intrigue in this transition month.

Temperature

June through September represent the warmest period in Les Cayes, Haiti, with an average high-temperature of 32°C (89.6°F).

Rainfall

In Les Cayes, in September, during 13 rainfall days, 219mm (8.62") of precipitation is typically accumulated. In Les Cayes, during the entire year, the rain falls for 121 days and collects up to 1939mm (76.34") of precipitation.

Sea temperature

With an average sea temperature of 29.8°C (85.6°F), September is the month with the warmest seawater in Les Cayes, Haiti.
Note: A water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

In Les Cayes, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 06:40 and sunset at 19:08. On the last day of September, sunrise is at 06:45 and sunset at 18:44 EDT.

Sunshine

The months with the least sunshine are January, May, June, September through December, with an average of 7h of sunshine.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 12 in September leads to these guidelines:
Adopt all essential precautions. Preventing sun harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout. Be alert! The reflection of water and sand augments UV radiation intensity.