Dominica · AutumnMonth summary
Dominica weather in September
✅ Good
🌡️ Temperature min / max
24°C – 29°C
🌧 Rainy days
60% of days
☀️ Sunshine
11.9h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.5/10
📅 📅 Best month
May (8.4/10)
Quick decision
Should you visit Dominica 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.
Our take: Favourable conditions in September (7.5/10). May scores higher but the gap is small.
By trip type
Dominica in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
🎯 Good period — 29°C with good sunshine. Reasonable crowds Autumn in Dominica is often underrated: 29°C, golden light and declining crowds. An interesting window. With 60% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if May (8.4/10) remains theoretically better.
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All months for Dominica
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 21°C | 26°C | 42% | 1.5 | 10.8h | 7.9/10 |
| 🌤️ February | 21°C | 26°C | 52% | 1.9 | 11.0h | 7.7/10 |
| 🌤️ March | 21°C | 26°C | 47% | 1.8 | 11.6h | 7.9/10 |
| 🌤️ April | 22°C | 27°C | 47% | 1.4 | 12.0h | 8.1/10 |
| 🌤️ May | 23°C | 28°C | 41% | 1.5 | 12.0h | 8.4/10 |
| 🌤️ June | 23°C | 28°C | 59% | 2.1 | 11.7h | 7.8/10 |
| ⛅ July | 23°C | 28°C | 74% | 3.2 | 11.5h | 7.4/10 |
| ⛅ August | 23°C | 28°C | 66% | 3.2 | 11.8h | 7.6/10 |
| ⛅ September | 24°C | 29°C | 60% | 4.4 | 11.9h | 7.5/10 |
| ⛅ October | 23°C | 28°C | 61% | 3.1 | 11.3h | 7.6/10 |
| 🌤️ November | 22°C | 27°C | 59% | 3.1 | 10.8h | 7.5/10 |
| 🌤️ December | 21°C | 26°C | 59% | 2.1 | 10.6h | 7.5/10 |
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, Dominica averages 29°C, 60% rainy days and 11.9h of sunshine per day. Overall weather score: 7.5/10.
See methodology →
Comparison
September vs May (best month)
The best month is May (score 8.4/10). Difference:
- 🌡️ Max temperature : -1°C
- 🌧 Rainy days : -19%
- ☀️ Sunshine : +0.1h/day
FAQ
FAQ — Dominica in September
Is September a good time to visit Dominica?
September is an excellent time to visit Dominica (score 7.5/10). With 29°C, 11.9h of sunshine and 60% rain, conditions are very favourable.
Does it rain a lot in Dominica in September?
Yes, 60% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Dominica
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