Port-au-Prince
September
Weather in Port-au-Prince for September 2025
Your guide to Port-au-Prince weather in September - trends and predictions
In general, the average temperature in Port-au-Prince at the beginning of September is 33 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 32.4 °C by the end of September.
Port-au-Prince experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 222.4 mm.
Temperatures
Rain 🌧️
2
Dry days
28
Rainy days
0
Snow days
33°/20°
Temperatures
11 km/h
Avg max wind
73 %
Avg humidity
Port-au-Prince in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  35° | 2 32° | 3 33° | 4  33° | 5  32° | 6 32° | 7  34° |
| 8 34° | 9 34° | 10 33° | 11 33° | 12  32° | 13 32° | 14 33° |
| 15  34° | 16 34° | 17 35° | 18 34° | 19  34° | 20 32° | 21 32° |
| 22 31° | 23 32° | 24  32° | 25  33° | 26 33° | 27 33° | 28 32° |
| 29 32° | 30 32° |
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Temperatures trend during September in Port-au-Prince
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 rain possible | 35° /19° | 4.6 mm | 8 | |
| 2 Sept. | Patchy rain possible | 32° /19° | 4.9 mm | 7 | |
| 3 Sept. | Light rain shower | 33° /18° | 6.2 mm | 7 | |
| 4 Sept. | Patchy light rain with thunder | 33° /18° | 6.5 mm | 7 | |
| 5 Sept. | Moderate or heavy rain shower | 32° /18° | 5.1 mm | 7 | |
| 6 Sept. | Patchy rain possible | 32° /18° | 3.9 mm | 7 | |
| 7 Sept. | Sunny | 34° /18° | 1.8 mm | 8 | |
| 8 Sept. | Patchy rain possible | 34° /18° | 2.2 mm | 7 | |
| 9 Sept. | Patchy rain possible | 34° /19° | 9.5 mm | 7 | |
| 10 Sept. | Light rain shower | 33° /20° | 17.8 mm | 7 | |
| 11 Sept. | Patchy rain possible | 33° /19° | 7.7 mm | 7 | |
| 12 Sept. | Partly cloudy | 32° /19° | 12.6 mm | 8 | |
| 13 Sept. | Partly cloudy | 32° /19° | 7.3 mm | 8 | |
| 14 Sept. | Partly cloudy | 33° /17° | 3 mm | 8 | |
| 15 Sept. | Cloudy | 34° /18° | 2.8 mm | 7 | |
| 16 Sept. | Patchy rain possible | 34° /19° | 3.7 mm | 7 | |
| 17 Sept. | Patchy rain possible | 35° /20° | 2.8 mm | 8 | |
| 18 Sept. | Patchy rain possible | 34° /20° | 1 mm | 8 | |
| 19 Sept. | Overcast | 34° /21° | 0 mm | 8 | |
| 20 Sept. | Light rain shower | 32° /20° | 6 mm | 7 | |
| 21 Sept. | Patchy rain possible | 32° /21° | 1.9 mm | 7 | |
| 22 Sept. | Patchy light rain with thunder | 31° /21° | 2.6 mm | 8 | |
| 23 Sept. | Patchy light rain with thunder | 32° /20° | 20.1 mm | 7 | |
| 24 Sept. | Thundery outbreaks possible | 32° /20° | 0.8 mm | 7 | |
| 25 Sept. | Heavy rain at times | 33° /19° | 6.8 mm | 8 | |
| 26 Sept. | Light rain shower | 33° /20° | 3.9 mm | 8 | |
| 27 Sept. | Light rain shower | 33° /21° | 43 mm | 7 | |
| 28 Sept. | Light rain shower | 32° /21° | 13.2 mm | 7 | |
| 29 Sept. | Patchy light rain with thunder | 32° /20° | 16.2 mm | 7 | |
| 30 Sept. | Patchy rain possible | 32° /21° | 4.5 mm | 7 | |
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Important Notice
Our weather forecast for Port-au-Prince 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-au-Prince forecast closer to your planned date for the most up-to-date weather information.
Port-au-Prince in September - FAQ
What are the expected maximum and minimum temperatures in Port-au-Prince during September?
Expect warm days with temperatures around 33°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Port-au-Prince during September?
Significant rainfall exceeding 222.4 mm is expected in Port-au-Prince during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Port-au-Prince during September?
The average wind speed in Port-au-Prince during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Port-au-Prince
Explore the daily rainfall trends and prepare for Port-au-Princes September weather 💧
UV exposure in Port-au-Prince during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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