Antigua · AutumnMonth summary
Antigua weather in September
✅ Good
🌡️ Temperature min / max
26°C – 30°C
🌧 Rainy days
73% of days
☀️ Sunshine
12.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
March (8.1/10)
Quick decision
Should you visit Antigua 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: September is a good time to visit Antigua. March remains slightly better (+0.9 pts).
By trip type
Antigua in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
🎯 Water at 27°C and lively beaches — September is peak swimming season in Antigua Autumn in Antigua is often underrated: 30°C, golden light and declining crowds. An interesting window. With 73% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. March (8.1/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 24°C | 28°C | 51% | 1.4 | 10.8h | 8.0/10 |
| 🌤️ February | 24°C | 27°C | 53% | 1.8 | 11.0h | 7.8/10 |
| 🌤️ March | 24°C | 28°C | 51% | 1.5 | 11.7h | 8.1/10 |
| 🌤️ April | 24°C | 28°C | 56% | 2.0 | 12.0h | 7.9/10 |
| ⛅ May | 25°C | 29°C | 60% | 2.2 | 12.0h | 7.6/10 |
| 🌤️ June | 26°C | 30°C | 58% | 2.1 | 12.0h | 7.5/10 |
| ⛅ July | 26°C | 30°C | 69% | 2.7 | 12.0h | 7.3/10 |
| ⛅ August | 26°C | 30°C | 69% | 3.2 | 12.0h | 7.3/10 |
| ⛅ September | 26°C | 30°C | 73% | 3.8 | 12.0h | 7.2/10 |
| ⛅ October | 26°C | 30°C | 64% | 3.8 | 11.3h | 7.3/10 |
| ⛅ November | 25°C | 29°C | 62% | 3.4 | 10.8h | 7.4/10 |
| 🌤️ December | 24°C | 28°C | 54% | 1.5 | 10.5h | 7.8/10 |
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, Antigua averages 30°C, 73% rainy days and 12.0h of sunshine per day. Overall weather score: 7.2/10.
See methodology →
Comparison
September vs March (best month)
The best month is March (score 8.1/10). Difference:
- 🌡️ Max temperature : -2°C
- 🌧 Rainy days : -22%
- ☀️ Sunshine : -0.3h/day
FAQ
FAQ — Antigua in September
Is September a good time to visit Antigua?
September is an acceptable time for Antigua (score 7.2/10). Conditions are decent but not optimal — consider March (8.1/10) if possible.
Does it rain a lot in Antigua in September?
Yes, 73% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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