Weather in St. Lucia in September

With temperatures reaching their peak during September, vacationers will delight in the warm sand and sun on uncrowded beaches of the off-season. Traditionally the wettest month of the year, September in recent years is beginning to shift towards drier conditions. Whether wet or dry, vacationers should not be concerned as the sun is never very far away in St. Lucia.

Typical Weather in September

Temperatures in St. Lucia during September generally vary between an average high during the day of 86.0 degrees and an average low at night of 80.0 degrees

On any given day during September in St. Lucia, you can expect early morning temperatures to be around 81.8 degrees. The temperature will rise over the course of the typical September day, reaching somewhere around 85.2 degrees by early afternoon. By early evening, temperatures in St. Lucia generally decline to around 80.0 degrees. Temperatures in St. Lucia average around 83.1 degrees during September.

Rain

Rain is most likely to occur around 8:00 AM during the month of September, and it is least likely to occur around 8:00 PM . In St. Lucia during September, thunderstorms -- when they occur -- are most likely sometime around 8:00 PM .