Weather in Trinidad and Tobago for September 2027
In general, the average temperature in Trinidad and Tobago at the beginning of September is 30.1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 30.4 °C by the end of September.
Trinidad and Tobago experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 149.6 mm.
Is September a good time to visit Trinidad and Tobago? check out the best time to travel to Trinidad and Tobago page.
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Trinidad and Tobago Weather September
What’s the Weather Like in Trinidad and Tobago This September?
Temperatures trend during September in Trinidad and Tobago
September weather in Trinidad and Tobago day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 29° /24° | 6.6 mm | 6 | |
| 2 Sept. |  Moderate or heavy rain shower | 30° /24° | 5.2 mm | 7 | |
| 3 Sept. |  Light rain shower | 31° /24° | 1.4 mm | 9 | |
| 4 Sept. | Light rain | 30° /24° | 5.5 mm | 7 | |
| 5 Sept. | Light rain shower | 31° /25° | 1.5 mm | 9 | |
| 6 Sept. | Light rain | 30° /24° | 8.4 mm | 7 | |
| 7 Sept. | Light rain | 30° /24° | 2.5 mm | 9 | |
| 8 Sept. | Light rain shower | 31° /24° | 2.4 mm | 8 | |
| 9 Sept. | Light rain | 31° /24° | 5.2 mm | 7 | |
| 10 Sept. | Light rain | 31° /24° | 6.3 mm | 6 | |
| 11 Sept. |  Moderate rain | 30° /25° | 12.1 mm | 6 | |
| 12 Sept. | Moderate rain | 29° /25° | 12.6 mm | 5 | |
| 13 Sept. | Light rain | 31° /25° | 2.9 mm | 7 | |
| 14 Sept. | Light rain | 31° /24° | 2.9 mm | 7 | |
| 15 Sept. | Patchy rain possible | 31° /25° | 1.9 mm | 8 | |
| 16 Sept. | Light rain | 31° /25° | 3 mm | 7 | |
| 17 Sept. | Patchy rain possible | 31° /25° | 1.9 mm | 6 | |
| 18 Sept. | Light rain | 30° /24° | 2.8 mm | 7 | |
| 19 Sept. |  Patchy light rain with thunder | 31° /25° | 2.9 mm | 9 | |
| 20 Sept. | Light rain | 31° /25° | 3.5 mm | 6 | |
| 21 Sept. | Light rain | 30° /25° | 7.2 mm | 6 | |
| 22 Sept. | Moderate or heavy rain shower | 31° /25° | 5.5 mm | 9 | |
| 23 Sept. | Light rain | 31° /25° | 5.9 mm | 8 | |
| 24 Sept. | Light rain | 31° /25° | 4.7 mm | 6 | |
| 25 Sept. | Patchy light rain with thunder | 31° /25° | 6 mm | 6 | |
| 26 Sept. | Light rain | 31° /25° | 8 mm | 6 | |
| 27 Sept. | Light rain | 30° /25° | 5.2 mm | 7 | |
| 28 Sept. | Patchy light rain with thunder | 30° /24° | 8.2 mm | 6 | |
| 29 Sept. | Light rain | 30° /25° | 4.1 mm | 8 | |
| 30 Sept. | Light rain | 30° /24° | 3.2 mm | 7 | |
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Guide for Trinidad and Tobago in September
In September, Trinidad and Tobago experiences warm and humid weather with occasional rainfall. At the beginning of the month, the islands typically have daytime temperatures around 31° and nighttime temperatures around 24°.
The weather is generally sunny with some brief showers, and the sea temperature remains warm and inviting for beachgoers and water sports enthusiasts.
Toward the end of September, the islands may experience an increase in rainfall as the wet season progresses. Daytime temperatures remain around 31°, while nighttime temperatures may slightly decrease to around 23°.
The humidity levels can be high, and there is a possibility of short, heavy downpours, particularly in the late afternoons or evenings.
Overall, September in Trinidad and Tobago offers warm and tropical weather, making it an ideal destination for those seeking a relaxing beach vacation or looking to explore the vibrant local culture.
However, visitors should be prepared for the possibility of intermittent rain showers and high humidity, especially toward the end of the month.