September weather forecast
Trinidad and Tobago

September in Trinidad and Tobago marks the peak of the wet season, characterized by substantial rainfall and consistently warm temperatures. Throughout this month, temperatures typically vary from a mild 24°C in the early morning to approximately 31°C during the day's peak. While September does not claim the status of being the hottest or the coldest month, it does contribute to the country's year-round warm and tropical climate.

Both Port of Spain, the capital of Trinidad, and Scarborough, the principal city in Tobago, mirror the national climate conditions for September. These coastal cities experience similar temperature ranges and benefit from the cooling influence of the sea, leading to refreshing sea breezes that help to moderate the heat.

September sees the highest rainfall levels of the year, with average precipitation typically ranging from 200mm to 250mm. Rain showers are a daily occurrence, and they can be long-lasting. Despite the high rainfall, periods of sunshine still break through the clouds, ensuring the climate is not persistently wet.

Wind speeds in September are moderate, generally averaging 20km/h. Influenced by the northeast trade winds, the breeze helps to offset the high temperatures and humidity associated with the wet season. While September is within the Atlantic hurricane season, Trinidad and Tobago's southern position generally reduces the likelihood of severe weather events.

Visiting Trinidad and Tobago in September is for those who do not mind regular rain showers. Although the country does not host any significant cultural events during this month, the weather promotes a lush and vibrant natural environment. It is an ideal period for tourists who prefer a more tranquil environment, as the wetter weather leads to fewer visitors, and the island's flora and fauna are in full bloom.

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• Port of Spain - September »
  September is the month with the warmest seawater in Port of Spain with an average sea temperature of 29°C. On the last day of September, sunrise is at 05:54 and sunset at 17:57 AST.
• San Fernando - September »
  In San Fernando during September, the rain falls for 18.8 days and regularly aggregates up to 61mm of precipitation. In San Fernando in September, during 18.8 rainfall days, 61mm of precipitation is typically accumulated.
• Chaguanas - September »
  September, having an average high-temperature of 30.1°C and an average low-temperature of 26.5°C, is the warmest month in Chaguanas, Trinidad and Tobago. September ushers in a gradual decrease in overall rainfall to 78mm while the high temperature touches 30.1°C making this one of the warmest months in Chaguanas.
• Arima - September »
  In Arima, in September, during 19.9 rainfall days, 78mm of precipitation is typically accumulated. In Arima, September is known for its average highest temperatures, reaching a high of 30.1°C and a low of 26.5°C.
• Couva - September »
  On the last day of September, in Couva sunrise is at 05:54 and sunset at 17:57 AST. On the first day of September in Couva sunrise is at 05:56 and sunset at 18:15.
• Point Fortin - September »
  With average temperatures fluctuating between a high of 30.5°C and a low of 26.5°C, September stands out as the warmest month in Point Fortin, Trinidad and Tobago. On the last day of September, in Point Fortin, sunrise is at 05:55 and sunset at 17:58 AST.
• Sangre Grande - September »
  In Sangre Grande in September, during 19.9 rainfall days, 78mm of precipitation is typically accumulated. September in Sangre Grande, Trinidad and Tobago witnesses a significant drop in rainfall from August to September as the monsoon commences to recede.
• Scarborough - September »
  August and September, with an average sea temperature of 29.4°C, are months with the warmest seawater in Scarborough, Trinidad and Tobago. August and September, with an average sea temperature of 29.4°C, are months with the warmest seawater in Scarborough, Trinidad and Tobago.
• Penal - September »
  September, known for its average high temperature of 30.5°C and an average low temperature of 26.5°C, is the warmest month in Penal. In Penal in September, during 18.8 rainfall days, 61mm of precipitation is typically accumulated.
• Diego Martin - September »
  Diego Martin reaches its highest average temperatures in September, measuring 30.1°C at the peak and 26.5°C at the lowest. Temperature readings in Diego Martin, Trinidad and Tobago, reach their annual highs in September, averaging 30.1°C and a minimum average of 26.5°C.