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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Evening Ledger weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
September in the Dominican Republic brings high heat, humidity and the peak of the Atlantic hurricane season, so expect frequent heavy downpours and a higher chance of tropical storms. The live forecast above shows the current conditions, but for September you should plan for hot, sticky days with around 12–14 rainy days in the month.
What is the weather like in the Dominican Republic in September?
September is the hottest and wettest month of the year, with average highs of 31–33°C along the coast and in Santo Domingo. Brief, intense afternoon thunderstorms are common, often clearing to leave warm, humid evenings.
- Average high: 32°C (Santo Domingo); slightly cooler in mountain resorts like Jarabacoa (28°C).
- Rainfall: approx 150–200mm, mostly in short, heavy bursts; the north coast (Puerto Plata) is wetter than the south-east.
- Hurricane risk: the Atlantic hurricane season runs June–November, with peak activity from mid-August to early October.
- Sea temperature: around 29°C – very warm for swimming, but strong rip currents possible after storms.
- Sunshine: still 7–8 hours per day, but cloud cover increases compared to the UK’s summer.
Is it ok to go to the Dominican Republic in September?
It is possible, but you need to be flexible. Many resorts offer lower prices, but you risk heavy rain, flight delays and resort closures from storms. If you do travel, buy comprehensive travel insurance that covers hurricanes and book with a flexible cancellation policy. Compare conditions with dominican republic weather october or dominican republic weather november, which are slightly drier and less stormy.
Frequently Asked Questions
Does it rain all day in the Dominican Republic in September?
No. Rain usually arrives as short, heavy afternoon or evening thunderstorms that pass within an hour or two. Mornings are often sunny, and you can still enjoy beach time, but always have a backup plan for indoor activities.
How does September compare to Dominican Republic weather August?
August is similarly hot and humid, but September is statistically the wettest month and carries a slightly higher hurricane frequency. Both months see 85%+ humidity; dominican republic weather august is marginally less prone to tropical depression activity.
What about hurricane risk in September?
September is the peak of the Atlantic hurricane season, with a small but real chance of a storm hitting the island. Check the National Hurricane Center daily, and consider resort areas on the southern coast (e.g., Punta Cana) which are slightly less exposed than the north.
Sources
For UK conditions, check our UK weather hub or see Bristol Weather and Glasgow Weather as seasonal comparisons.