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 in Trinidad and Tobago typically vary between a daily high of about 88.0 degrees and a daily low of approximately 74.0 degrees
| Monthly Averages | | High | Low | Rainfall (inches) | 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 in 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 in Trinidad and Tobago generally decline to around 78.4 degrees.
Overall, temperatures in Trinidad and Tobago during September average around 80.0 degrees.
| 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 |
|
Rain
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.
| Percent Frequencies of Hourly Observations | | Hour | Rain and/or Drizzle | Thunder- storms |
| 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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