Weather in Port-au-Prince in September
In an average September, Port-au-Prince sees a daily high around 28°C and a low around 21°C, based on 1980–2026 of local climate records.
| Average high | 28°C |
|---|---|
| Typical high range | 27°C to 30°C |
| Average low | 21°C |
| Typical low range | 20°C to 22°C |
| Average daily precipitation | 8 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
37°C
2026-09-12
Lowest
23°C
1998-09-23
Low
Highest
28°C
2026-09-18
Lowest
18°C
1985-09-01
Feels-like
Highest
44°C
2026-09-10
Lowest
23°C
1998-09-23
Humidity
Highest
25.9 g/m³
2026-09-18
Lowest
15.2 g/m³
1992-09-04
Wind
Highest
27 km/h
1998-09-23
Lowest
3 km/h
2009-09-20
Gust
Highest
124 km/h
1998-09-23
Lowest
12 km/h
2026-09-25
Precip
Wettest
425 mm
1998
Driest
129 mm
1997
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