Port of Spain
September
Weather in Port of Spain for September 2025
Your guide to Port of Spain weather in September - trends and predictions
In general, the average temperature in Port of Spain at the beginning of September is 30.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 30.7 °C by the end of September.
Port of Spain experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 153.7 mm.
Temperatures
Rain 🌧️
4
Dry days
26
Rainy days
0
Snow days
31°/25°
Temperatures
15 km/h
Avg max wind
79 %
Avg humidity
Port of Spain in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  30° | 3  30° | 4  31° | 5 31° | 6 30° | 7 30° |
| 8 31° | 9 32° | 10 32° | 11 31° | 12  31° | 13  32° | 14 32° |
| 15 32° | 16 31° | 17 31° | 18 32° | 19 32° | 20 31° | 21 30° |
| 22 30° | 23 31° | 24 32° | 25 30° | 26 30° | 27 30° | 28 31° |
| 29 31° | 30 31° |
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Temperatures trend during September in Port of Spain
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 29° /23° | 11.5 mm | 7 | |
| 2 Sept. | Moderate or heavy rain shower | 30° /24° | 10.2 mm | 7 | |
| 3 Sept. | Patchy rain possible | 30° /24° | 2 mm | 7 | |
| 4 Sept. | Partly cloudy | 31° /24° | 0.7 mm | 8 | |
| 5 Sept. | Light rain shower | 31° /25° | 1.8 mm | 7 | |
| 6 Sept. | Light rain shower | 30° /24° | 3.3 mm | 7 | |
| 7 Sept. | Patchy rain possible | 30° /24° | 2.6 mm | 7 | |
| 8 Sept. | Light rain shower | 31° /24° | 3 mm | 7 | |
| 9 Sept. | Light rain shower | 32° /24° | 5.9 mm | 7 | |
| 10 Sept. | Light rain shower | 32° /24° | 6.6 mm | 7 | |
| 11 Sept. | Patchy rain possible | 31° /25° | 9.5 mm | 7 | |
| 12 Sept. | Cloudy | 31° /25° | 10.3 mm | 7 | |
| 13 Sept. | Overcast | 32° /25° | 0.3 mm | 7 | |
| 14 Sept. | Cloudy | 32° /25° | 0.1 mm | 7 | |
| 15 Sept. | Partly cloudy | 32° /25° | 2.8 mm | 8 | |
| 16 Sept. | Patchy rain possible | 31° /24° | 3.8 mm | 7 | |
| 17 Sept. | Partly cloudy | 31° /24° | 1.8 mm | 8 | |
| 18 Sept. | Light rain shower | 32° /24° | 0.8 mm | 7 | |
| 19 Sept. | Patchy light rain with thunder | 32° /25° | 1.7 mm | 7 | |
| 20 Sept. | Patchy light rain with thunder | 31° /25° | 3.9 mm | 7 | |
| 21 Sept. | Light rain shower | 30° /25° | 8.2 mm | 7 | |
| 22 Sept. | Moderate or heavy rain shower | 30° /24° | 8.8 mm | 7 | |
| 23 Sept. | Light rain shower | 31° /24° | 6.7 mm | 7 | |
| 24 Sept. | Light rain shower | 32° /25° | 7.8 mm | 7 | |
| 25 Sept. | Patchy light rain with thunder | 30° /24° | 11.9 mm | 7 | |
| 26 Sept. | Light rain shower | 30° /25° | 14.3 mm | 7 | |
| 27 Sept. | Patchy light rain with thunder | 30° /25° | 4.3 mm | 7 | |
| 28 Sept. | Patchy light rain with thunder | 31° /24° | 5.6 mm | 7 | |
| 29 Sept. | Patchy rain possible | 31° /25° | 2 mm | 7 | |
| 30 Sept. | Patchy rain possible | 31° /24° | 1.6 mm | 7 | |
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Important Notice
Our weather forecast for Port of Spain in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Port of Spain forecast closer to your planned date for the most up-to-date weather information.
Port of Spain in September - FAQ
What are the expected maximum and minimum temperatures in Port of Spain during September?
During September, expect a variety of temperatures with highs around 31° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Port of Spain during September?
Significant rainfall exceeding 153.7 mm is expected in Port of Spain during September, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Port of Spain during September?
The average wind speed in Port of Spain during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Port of Spain
Explore the daily rainfall trends and prepare for Port of Spains September weather 💧
UV exposure in Port of Spain during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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