Punta Cana weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: January – December
What is the weather like in Punta Cana in September?
In September, Punta Cana is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.1 °C – almost as warm as a bath. The sun shines for around 9 hours a day. It is the rainy season: rain falls on about 19 days, totalling 126 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Punta Cana.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 80 | 78 | 76 |
| Day | 29° | 29° | 29° |
| Night | 26° | 26° | 26° |
| Sea | 29° | 29° | 29° |
| Sun | 9 h | 9 h | 8 h |
| Rain days | 20 | 19 | 21 |
More details for September
- Daylight
- 12 h 16 min06:21 – 18:37
- UV index
- 12 · extremeclear sky, noon (estimate)
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 60 %on average
- Hot days
- 2 days30 °C or more
- Time zone
- UTC−4America/Santo_Domingo
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %92 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Punta Cana in September: quick answers
Is Punta Cana hot in September?
Yes. In September, Punta Cana is hot: daytime highs average 29 °C and nights stay around 26 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Punta Cana in September?
Yes. In September the sea averages 29.1 °C – almost as warm as a bath.
Does it rain much in Punta Cana in September?
It rains often – on about 19 days, adding up to 126 mm.
Punta Cana month by month
The whole year in Punta CanaAll destinations: Dominican Republic
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)