Hawaii / Maui · AutumnMonth summary
Hawaii / Maui weather in September
✅ Good
🌡️ Temperature min / max
19°C – 26°C
🌧 Rainy days
37% of days
☀️ Sunshine
11.1h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
8.0/10
📅 📅 Best month
July (8.5/10)
Quick decision
Should you visit Hawaii / Maui in September?
✅ Good
✅ Yes if: you want good weather with lower prices than peak season.
❌ No if: you need guaranteed perfect weather — some mixed days are possible.
Our take: Favourable conditions in September (8.0/10). July scores higher but the gap is small.
By trip type
Hawaii / Maui in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Quiet uncrowded beaches — ideal for coastal walks Autumn in Hawaii / Maui is often underrated: 26°C, golden light and declining crowds. An interesting window. Expect rain on 37% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (8.5/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 16°C | 22°C | 38% | 2.7 | 10.1h | 7.5/10 |
| 🌦️ February | 16°C | 22°C | 56% | 5.8 | 10.5h | 7.2/10 |
| 🌤️ March | 16°C | 23°C | 49% | 3.1 | 10.9h | 7.4/10 |
| 🌦️ April | 17°C | 23°C | 52% | 5.0 | 11.2h | 7.3/10 |
| 🌤️ May | 18°C | 24°C | 44% | 2.8 | 11.9h | 7.7/10 |
| 🌤️ June | 19°C | 26°C | 34% | 1.5 | 12.4h | 8.4/10 |
| 🌤️ July | 20°C | 27°C | 32% | 1.5 | 12.3h | 8.5/10 |
| 🌤️ August | 20°C | 27°C | 34% | 3.1 | 11.7h | 8.2/10 |
| 🌤️ September | 19°C | 26°C | 37% | 2.1 | 11.1h | 8.0/10 |
| 🌤️ October | 19°C | 26°C | 47% | 3.5 | 10.5h | 7.6/10 |
| 🌤️ November | 18°C | 24°C | 42% | 2.8 | 10.0h | 7.6/10 |
| 🌤️ December | 17°C | 23°C | 43% | 4.0 | 9.8h | 7.4/10 |
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, Hawaii / Maui averages 26°C, 37% rainy days and 11.1h of sunshine per day. Overall weather score: 8.0/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 8.5/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -5%
- ☀️ Sunshine : +1.2h/day
FAQ
FAQ — Hawaii / Maui in September
Is September a good time to visit Hawaii / Maui?
September is an excellent time to visit Hawaii / Maui (score 8.0/10). With 26°C, 11.1h of sunshine and 37% rain, conditions are very favourable.
What to do in Hawaii / Maui in September?
With 26°C and 11.1h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
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