Weather on Trinidad in September

Temperatures remain high throughout the month of September, when daily averages can vary between 74 and 88 degrees Fahrenheit. Tropical storm season is also in full swing at this time and vacationers should proceed with caution if visiting Trinidad during September.

Typical Weather in September

During September the temperatures on Trinidad and Tobago typically vary between a daily high of about 88.0 degrees and a daily low of approximately 74.0 degrees


Trinidad and Tobago in September: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
88.0° F 74.0° F 7.2 N.A.

During the early morning hours of an average September day on Trinidad and Tobago, you can expect the temperature will be in the vicinity of 80.1 degrees. The temperature will rise over the course of the typical September day, reaching somewhere around 86.0 degrees by early afternoon. By early evening, temperatures on Trinidad and Tobago generally decline to around 78.4 degrees. Overall, temperatures on Trinidad and Tobago during September average around 80.0 degrees.


September Temperatures on Trinidad and Tobago by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
80.1° F 86.0° F 86.0° F 83.2° F 78.4° F 80.0° F



During September, rain is most likely to occur around 2:00 PM, and least likely to occur around 11:00 PM. As shown below, if a thunderstorm occurs in September, it is most likely to occur around 2:00 PM.


September Rainfall on Trinidad and Tobago by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
2:00 AM 12.6 % 1.3 %
5:00 AM 16.5 % 2 %
8:00 AM 15.5 % 1.9 %
11:00 AM 26.9 % 8.2 %
2:00 PM 38.4 % 10.9 %
5:00 PM 19.7 % 3.5 %
8:00 PM 9.3 % 1.7 %
11:00 PM 8.7 % 2 %
ALL 17.3 % 3.5 %


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