Last updated: March 2, 2024
The weather in Port of Spain, Trinidad and Tobago, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 30°C (86°F), while lows may dip to 25°C (78°F). Typically, the humidity level in Port of Spain throughout September hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Port of Spain averages 115 mm (4.5 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 12 hours 9 minutes of daylight, with the sun shining for approximately 10 hours 44 minutes each day. Additionally, there is a 51% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Port of Spain reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 3 | 6 | 10 | 13 | 14 | 12 | 10 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||