Is the weather good in Dominican Republic in September 2025?
For the past few decades, the average daily temperatures in Dominican Republic during September have been around +86°F.
In Dominican Republic the temperature rarely varies more than seven degrees between the different parts with the highest temperature +86°F in Puerto Plata to +84°F in Punta Cana. So you should be able to pack for similar conditions wherever you go in the country.
Temperature, wind and humidity in September
Average
Puerto Plata
Punta Cana
☀️
+86°F
Avg. max. temperature
109 mmTotal precipitation
Our opinion: Dominican Republic has OK weather in September.
Dominican Republic in September – what city is the…
- rainiest? Punta Cana, with an average of 4 mm of rain and humidity of 82%;
- warmest? Puerto Plata, with daytime temperatures averaging +88°F;
- windiest? Punta Cana, with an average of 3 m/s;
- coolest? Punta Cana, with daytime temperatures averaging +84°F;
How good is the weather in Dominican Republic in September?
During September, the Dominican Republic is characterized by variable weather with air pressure around 1014 HPa and therefore elements of sun, rain, and wind – with a little extra emphasis on the latter two. The humidity in September ranges between 81% in Puerto Plata and 82% in Punta Cana.
How warm is it in Dominican Republic during September?
Variable weather with sun, rain and wind: +86°F in average daily temperature.
This is how hot it usually is in September
The average daily temperatures above don't tell you everything about how hot it can be in Dominican Republic. For example, cold nights can make a big difference for those staying in tents or unheated houses. Extra hot days, on the other hand, can make a big difference for those who plan to engage in demanding physical training or competition. So here are some more temperatures for September:
Average
Puerto Plata
Punta Cana
- Average maximum temperature for the month: +86°F;
- Average minimum temperature for the month: +77°F;
- Highest monthly temperature: +86°F;
- Lowest monthly temperature: +77°F;
Monthly temperatures:
Average
Puerto Plata
Punta Cana
- Warmest: June with an average +86°F during the day;
- Coldest: January with an average +81°F of the day;
- Hottest month in hottest city: September in Puerto Plata;
- Coldest month in coolest city: January in Punta Cana;
Can you swim in Dominican Republic in September?
Here are the minimum and maximum water temperatures in cities in Dominican Republic in September:
You can definitely swim in Puerto Plata, Punta Cana in September, with the water temperature of +83°F and up.
Winds in Dominican Republic during September
Wind speed in Dominican Republic in September based on historical data:
Average
Puerto Plata
Punta Cana
September tends to offer light winds averaging 3 m/s. However, coastal cities may experience breezes during the mornings and afternoons.
Comparison between cities in September:
- Highest average wind speed: Punta Cana with 3 m/s;
- Lowest average wind speed: Puerto Plata with 2 m/s;
- Windiest day of the month: Punta Cana with 3 m/s;
- The least windy day of the month: Puerto Plata with 2 m/s;
Humidity and precipitation in Dominican Republic in September
Amount of rainfall in mm during September in Dominican Republic based on historical data:
Average
Puerto Plata
Punta Cana
September tends to be an extremely humid month with 81% humidity and 83 mm rainfall. In general the humidity tends to be a little lower in mountainous regions and more humid closer to water.
Comparison between cities in September:
Average
Puerto Plata
Punta Cana
- Highest average rainfall: Punta Cana with 128 mm;
- Lowest average rainfall: Puerto Plata with 76 mm;
- Most number of rainy days: Punta Cana with 22 rainy days;
- Least number of rainy days: Puerto Plata with 20 rainy days;
- Highest risk of rain during the day: Punta Cana with 73%;
- Least risk of rain during the day: Puerto Plata with 67%;
- Highest average humidity: Punta Cana with 82%;
- Lowest average humidity: Puerto Plata with 81%;
Tips for traveling to Dominican Republic in September
Looking for some tips for traveling to the sun, snow, or whatever you're aiming for Dominican Republic? Activities, weather, and clothing are closely linked. In addition, it's important to pack only what you really need so you don't have to worry about heavy packing or paying extra baggage fees.
Here is some advice on what to pack and what kind of activities you can do in the Dominican Republic based on the weather that September is expected to bring. The advice applies to the country as a whole – local weather and possible activities may differ somewhat.
rainy, warm weather with light winds and very high humidity in September
Pack right for September
The weather makes a difference when it comes to packing - especially which items should go in your suitcase. The tips below are designed to help you pack light and right without carrying more than necessary.
- For light showers, an umbrella or a thin and light rain cape is usually sufficient, while more rain may require rainwear and rain boots.
- Warm - neither hot nor cool, are probably the most comfortable when you think of sunbathing. Shorts, shorter skirts or dresses, tank tops and t-shirts are the basics here. If you're going to a seaside resort, don't forget your swimwear and maybe even a snorkel, mask and flippers.
- Light winds are probably most comfortable in hot weather but is cooling in cool and cold weather. If it is hot (when the air temperature is about 30 degrees), the wind can have a warming effect. A thin, windproof jacket and long trousers help to counteract these effects.
- High humidity means that the air conducts heat to and from the skin more easily. For example, if the air is hot (above skin temperature), it will be harder to stay cool. On the other hand, if the air is cool or cold, it is more difficult to stay warm. In high humidity, the choice of clothing makes less of a difference. However, your physical activity plays a bigger role.
FAQ
Frequently asked questions about the weather in Dominican Republic in September:
What can you do outside when it's warm in Dominican Republic?
Bathing and sunbathing can be suitable. Warm (but not hot) days are also good for activities that are not so physically demanding: sightseeing on foot, by boat, on a scooter, camel riding. You can also exercise easily as long as you make sure to cool down and quench thirst.
Is September a good time to visit Dominican Republic?
It’s always a good time to visit Dominican Republic, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality. Monthly weather in Dominican Republic
Source of the data
For this page, we’ve looked at the typical weather in Dominican Republic, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.