Port-au-Prince weather in September 2025

Q: How hot is it in Port-au-Prince in September?

Daytime temperatures usually reach 32°C in Port-au-Prince in September with very high heat and humidity, falling to 22°C at night.

Q: How sunny is it in Port-au-Prince in September?

There are normally 7 hours of bright sunshine each day in Port-au-Prince in September - that's 59% of daylight hours.

Q: How warm is the sea around Port-au-Prince in September?

The average sea temperature around Port-au-Prince in September is 30°C.

Q: Does it rain in Port-au-Prince in September?

There are usually 14 days with some rain in Port-au-Prince in September and the average monthly rainfall is 166mm.

Q: What is the chance of a cyclone in Port-au-Prince in September?

On average less than 1 day in September in Port-au-Prince is likely to be affected by the passage of one or more tropical storms.

Expect 90°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Port-au-Prince in September. Check more long-term weather averages for Port-au-Prince in September before you book your next holiday to Haiti in 2025/2026.

90
90°F max day temperature
7
7 hours of sunshine per day
14
14 days with some rainfall
72
72°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
6.5
6.5 inches of monthly rainfall
11
11+ (Extreme) UV index
86
86°F sea temperature

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The September weather guide for Haiti (Port-au-Prince) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Port-au-Prince in September?

Daytime temperatures usually reach 90°F in Port-au-Prince in September with very high heat and humidity, falling to 72°F at night.

How sunny is it in Port-au-Prince in September?

There are normally 7 hours of bright sunshine each day in Port-au-Prince in September - that's 59% of daylight hours.

How warm is the sea around Port-au-Prince in September?

The average sea temperature around Port-au-Prince in September is 86°F.

Does it rain in Port-au-Prince in September?

There are usually 14 days with some rain in Port-au-Prince in September and the average monthly rainfall is 6.5 inches.

What is the chance of a hurricane in Port-au-Prince in September?

On average less than 1 day in September in Port-au-Prince is likely to be affected by the passage of one or more tropical storms.

Port-au-Prince September sunrise & sunset times

Browse the sunrise and sunset times for Port-au-Prince in September 2025. Select a month to view Port-au-Prince sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	05:35	18:03
Monday, 15th September 2025	05:37	17:51
Tuesday, 30th September 2025	05:40	17:38

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Haiti - quick facts
Time difference	UK -5 hours
Language(s)	Haitian Creole, French
Currency	Haitian Gourde
Electricity	A + B plug (110V)
Driving side	Right
Why visit?	Beaches Culture