Caribbean Weather in September
Information on the weather in September for cities and beach towns throughout the Caribbean has been pulled together here.
The September temperatures and rainfall given in the table below allow you to compare the climate for places on two dozen islands. The monthly averages are based on historical weather records.
These temperatures are in °F. You can also view the temperatures in °C.
September dishes up some wild weather in the Caribbean. But your chances of experiencing a major storm depend upon what island you're on.
In September the rainy season descends upon the Caribbean. Still, there are some dry spots, notably the southern islands of Aruba, Bonaire and Curaçao.
Hurricanes and Storms
September is when hurricanes become most active in the Caribbean. Hurricanes are most likely now to approach the US Virgin Islands, Puerto Rico and the eastern shores of Dominican Republic. In this region, there's an eight percent chance that a hurricane will come within 100 miles of land in September.
Severe stormy weather often hits the eastern Caribbean islands during September, where a named tropical storm arrives about once every five years. Storms are less common farther south.
September temperatures are similar to those of other summer months. The ocean averages around 83 degrees Fahrenheit.
|Temperature °F||Island||Place||Total Rainfall|
|87||75||Dominica||Melville Hall Airport||11.7|||
|88||76||Dominican Republic||Punta Cana||4.0||10|
|89||78||Puerto Rico||San Juan||5.8||17|
|88||79||St. Croix (US VI)||Christiansted||4.6||15|
|88||76||St. John (US VI)||Cruz Bay||5.5||16|
|88||77||St. Lucia||Vieux Fort||7.8||20|
|89||79||St. Maarten||Princess Juliana AP||5.5||14|
|90||78||St. Thomas (US VI)||Charlotte Amalie||5.6||15|
|90||74||Trinidad||Port of Spain||7.5||16|
NOAA. National Weather Service. National Hurricane Center.
NOAA. Ocean Climate Laboratory. World Ocean Atlas 2009.
Rainfall and temperature data come from each island's meteorological organization.