The month in detail
What to expect in September
Autumn marks the end of peak season in Dominican Republic. Temperatures drop (88°F) and rain returns (42% of days). Expect rain on 42% of days — a light raincoat in the bag is recommended.
September ranks 12 out of 12 months in Dominican Republic.
This month's conditions
What it's like in September
UV index
8 · very high
protection essential
Feels like
very humid
24°
Sea
30°C
warm, ideal
Daylight
12.1h of daylight
Air quality
good
AQI 26
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Is September the right month?
The best month in Dominican Republic is January (8.6/10), 3.7 pts higher than September.
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Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
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Hotels & rentals · Dominican Republic
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Tours, tickets, experiences
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🎟️ Activities & tours · Dominican Republic
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Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Dominican Republic
🗣️LanguageSpanish
💶CurrencyPeso dominicain ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJuly · 88°F
❄️Coolest monthJanuary · 82°F
🌧️Rainiest month ⓘAugust · 45%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Similar climate
JamaicaJamaica
AntiguaAntigua and Barbuda
MiamiUnited StatesPunta CanaDominican Republic
HavanaCuba
Location
Where is Dominican Republic ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
Dominican RepublicTropical climate with a 8.6 → 4.9 gap between best and worst month. 10 years of ERA5 data to choose by project.
18.47°N · 69.90°W
Questions
Frequently asked questions
What is the best time to visit Dominican Republic?
January is the best month with 82°F highs, 70°F lows, 6.8h of sunshine and 17.0% rainy days. The months of January & February offer comparable conditions.
How many hours of sunshine does Dominican Republic get in January?
Dominican Republic averages 6.8 sunshine hours per day in January. It is the sunniest month with a climate score of 8.2/10.
What is the rainiest month in Dominican Republic?
August is the most unfavourable month with August has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Dominican Republic in January?
In January, overnight lows reach 70°F, while afternoon highs average 82°F.
Is Dominican Republic good in winter?
In winter (December-February), Dominican Republic scores 8.0/10 on average — Acceptable conditions for cultural visits.. The best month overall remains January with a score of 8.2/10.
When should you avoid Dominican Republic?
August is the most difficult month to visit Dominican Republic, with August has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Dominican Republic in September?
In September, the sea averages 87°F in Dominican Republic: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Dominican Republic in September?
The average UV index reaches 8 in September in Dominican Republic (very high), with about 12.1h of daylight. Protection essential.