DO Dominican Republic · Autumn

Dominican Republic in September
what's the weather like?

Dominican Republic in September: solid, though January remains peak.

Open-Meteo · 10 years · 12 months compared · 18.47°N 69.90°W
88°FMax temperature
74%Rainy days
11.0hSunshine / day

Dominican Republic weather in September

✅ Good
🌡️ Temperature min / max
75°F – 88°F
🌧 Rainy days
74% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
January (8.2/10)

Should you visit Dominican Republic in September?

✅ Good

✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.

❌ No if: you're planning 100% outdoor activities — rain is frequent.

🌧 Rain : ███████░░░ 74%
🌡 Temperature : ████████░░ 88°F
☀️ Sunshine : ████████░░ 11.0h/d

Our take: Favourable conditions in September (7.0/10). January scores higher but the gap is small.

Dominican Republic in September by trip type

What to expect in September

Autumn in Dominican Republic is often underrated: 31°F, golden light and declining crowds. An interesting window. With 74% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. January (8.2/10) is significantly better if possible.

All months for Dominican Republic

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
🌤️ January70°F82°F36%0.1in10.2h8.2/10
🌤️ February70°F84°F43%0.1in10.5h7.9/10
🌤️ March70°F84°F48%0.1in11.1h7.8/10
⛅ April72°F84°F63%0.1in11.4h7.4/10
⛅ May73°F84°F72%0.2in11.6h7.3/10
⛅ June75°F86°F76%0.1in11.9h7.2/10
⛅ July75°F88°F76%0.2in11.7h7.1/10
⛅ August75°F88°F77%0.2in11.3h7.0/10
⛅ September75°F88°F74%0.2in11.0h7.0/10
⛅ October73°F86°F66%0.2in10.8h7.2/10
⛅ November72°F84°F61%0.2in10.4h7.3/10
🌤️ December72°F84°F44%0.1in10.2h7.8/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Dominican Republic averages 88°F, 74% rainy days and 11.0h of sunshine per day. Overall weather score: 7.0/10. See methodology →

September vs January (best month)

The best month is January (score 8.2/10). Difference:

FAQ — Dominican Republic in September

Is September a good time to visit Dominican Republic?
September is an acceptable time for Dominican Republic (score 7.0/10). Conditions are decent but not optimal — consider January (8.2/10) if possible.
Does it rain a lot in Dominican Republic in September?
Yes, 74% of days see rain in September. Plan some indoor activities as backup.

Find a place to stay in Dominican Republic

Find places to stay in Dominican Republic in September Search on Hotels.com

Activities and tours in Dominican Republic

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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