September · Haiti
Best time to visit Cap-Haïtien in September Weather, crowds & prices
Weather in Cap-Haïtien in September
Average temperature 29°C, 67 mm of rain, about 26 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.4/10
Ranked #7 of 12 months
- Avg temp
- 29°C
- Rainfall
- 67 mm
- Humidity
- 78%
- Days with 6h+ sun
- 26
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Cap-Haïtien scores 5.4/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 29°C, 67 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Cap-Haïtien faces the Caribbean on Haiti's north coast, near the Citadelle and Sans-Souci palace.
September in Cap-Haïtien — middling scores, decent value
Days in September average 29°C (85°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 67 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 12.1 hours of daylight to work around it.
That is 5.4/10 on the same scale — 7th of 12 months, versus 8/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, February is materially better in Cap-Haïtien — 2.6 points higher on the same scale.
Frequently asked
- What is the weather like in Cap-Haïtien in September?
- In September, Cap-Haïtien averages 29°C, 67 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 5.4/10.
- Is September a good time to visit Cap-Haïtien?
- September earns a 5.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cap-Haïtien in September?
- Expect about 67 mm of rain in September. Average humidity is 78% and there are about 26 days with 6+ hours of sunshine.
Curated in Cap-Haïtien
Tickets & experiences
Things to do in Cap-Haïtien
Cap-Haïtien, Haiti. Live activities and tours from GetYourGuide, matched to this destination.