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Weather in Port-au-Prince for September 2026

Your guide to Port-au-Prince weather in September - trends and predictions

    Temperatures

  • The forecast for the next days in Port-au-Prince predicts temperatures to be around 32 °C, close to the historical average.

  • In general, the average temperature in Port-au-Prince at the beginning of September is 32 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 31.6 °C by the end of September.

    • Rain 🌧️

  • Port-au-Prince in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 221.7 mm.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/20°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Port-au-Prince Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
33°
2
Patchy rain possible
31°
3
Light rain shower
32°
4
Patchy rain possible
32°
5
Sunny
32°
6
Sunny
32°
7
Overcast
32°
8
Overcast
32°
9
Smoky haze
33°
10
Sunny
31°
11
Sunny
30°
12
Sunny
33°
13
Sunny
33°
14
Overcast
30°
15
Patchy rain possible
30°
16
Overcast
32°
17
Overcast
31°
18
Overcast
32°
19
Overcast
33°
20
Light rain shower
32°
21
Patchy rain possible
32°
22
Patchy light rain with thunder
32°
23
Patchy light rain with thunder
33°
24
Thundery outbreaks possible
33°
25
Heavy rain at times
33°
26
Light rain shower
31°
27
Light rain shower
31°
28
Moderate or heavy rain shower
30°
29
Patchy light rain with thunder
31°
30
Patchy rain possible
32°

Temperatures trend during September in Port-au-Prince

See the weather trend as well as the moving average line

September weather in Port-au-Prince day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 33° /20° 7 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 31° /20° 4.8 mm 8
3 Sept. Light rain shower
Light rain shower
 32° /20° 3.5 mm 8
4 Sept. Patchy rain possible
Patchy rain possible
 32° /19° 5.8 mm 8
5 Sept. Sunny
Sunny
 32° /22° 1.2 mm 11.8
6 Sept. Sunny
Sunny
 32° /22° 0.7 mm 11.9
7 Sept. Overcast
Overcast
 32° /22° 5.4 mm 10.1
8 Sept. Overcast
Overcast
 32° /22° 5.4 mm 11.8
9 Sept. Smoky haze
Smoky haze
 33° /22° 1.4 mm 8
10 Sept. Sunny
Sunny
 31° /21° 3 mm 8
11 Sept. Sunny
Sunny
 30° /22° 9.8 mm 7
12 Sept. Sunny
Sunny
 33° /21° 1.4 mm 8
13 Sept. Sunny
Sunny
 33° /21° 0.1 mm 8
14 Sept. Overcast
Overcast
 30° /22° 0.7 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 30° /21° 2.5 mm 7
16 Sept. Overcast
Overcast
 32° /22° 4.2 mm 7
17 Sept. Overcast
Overcast
 31° /22° 7.9 mm 7
18 Sept. Overcast
Overcast
 32° /22° 0 mm 7
19 Sept. Overcast
Overcast
 33° /21° 0.9 mm 7
20 Sept. Light rain shower
Light rain shower
 32° /21° 5.4 mm 7
21 Sept. Patchy rain possible
Patchy rain possible
 32° /21° 4 mm 7
22 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 32° /21° 3.3 mm 7
23 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 33° /20° 13.4 mm 7
24 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 33° /21° 8 mm 7
25 Sept. Heavy rain at times
Heavy rain at times
 33° /20° 12.6 mm 7
26 Sept. Light rain shower
Light rain shower
 31° /20° 37.2 mm 7
27 Sept. Light rain shower
Light rain shower
 31° /21° 28.7 mm 7
28 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /21° 12.6 mm 7
29 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /20° 12.8 mm 7
30 Sept. Patchy rain possible
Patchy rain possible
 32° /21° 3 mm 7
Next
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.
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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 32°, 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 221.7 mm is expected in Port-au-Prince during September, occurring over more than 20 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 10 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 💧
Typically, Port-au-Prince has 20 rainy days in September with a total of 221.7 mm of rainfall.

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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Location coordinates Where is Port-au-Prince?

Get accurate weather forecasts for Port-au-Prince, located at latitude 18.543 and longitude -72.339. Stay updated with localized weather information tailored for Port-au-Prince.

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