Punta Cana weather in September
September in Punta Cana: sweltering, rainy, with clean air — an excellent time to visit.
#9 of 12 months in Punta Cana · #249 of 604 destinations to visit in September · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Punta Cana climate normals — September
| Daytime high | 29°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 120 mm / 4.7 in | 🌧 rainy |
| Rainy days | 19 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.2 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Punta Cana?
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Punta Cana in September — FAQ
- Is September a good time to visit Punta Cana?
- September in Punta Cana: sweltering, rainy, with clean air — an excellent time to visit. It ranks #9 of 12 months for Punta Cana on SeasonMap's comfort score (83/100).
- What is the weather like in Punta Cana in September?
- In September, Punta Cana averages a daily high of 29.3°C and a low of 26.4°C, with about 119.6 mm of rain over roughly 19 rainy days.
- What is the air quality in Punta Cana in September?
- Punta Cana has a mean US Air Quality Index of about 36 in September.