Santo Domingo Weather in September

September in Santo Domingo sees daytime temperatures around 25°C (77°F) and lows of 16°C (61°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Santo Domingo in September

Santo Domingo is in the rainy season in September, with rain on around 24 days and an average of 438 mm (17 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Santo Domingo in September

September in Santo Domingo brings typical temperatures with highs around 25°C (77°F) and lows of 16°C (61°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Santo Domingo in September

The month experiences a moderate amount of sunlight, with 149 hours of sunshine. This provides a nice balance between sunshine and rain.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Santo Domingo. Our weather planner can help you explore destinations with more pleasant weather conditions.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Costa Rica, check out our Santo Domingo's climate page.

Santo Domingo Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 81%  

Precipitation 438 mm (17 in)  

Rainy days 24 days  

Humidity 85% *  

Sunshine 149 hours *  

Percentage Sunshine *  

* Data from: San José, Costa Rica (5 KM, 3 Miles).

What to Wear in Santo Domingo in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Santo Domingo in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Costa Rica, check out our Santo Domingo's climate page.

More climate data for Santo Domingo

Temperature Rainfall Sunshine Humidity

See the full Santo Domingo climate overview or explore weather in Costa Rica.