The weather in Haiti in September is hot. The average temperatures are between 18°C and 32°C. Usually the days in September are hot while the nights are a bit cooler.
There’s going to be many days of rain during the month of September in Haiti.
Haiti should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Haiti in September 2025.
If you’re planning to visit Haiti in the near future, we highly recommend that you review the 14 day weather forecast for Haiti before you arrive.