Okinawa · AutumnMonth summary
Okinawa weather in September
✅ Good
🌡️ Temperature min / max
26°C – 30°C
🌧 Rainy days
75% of days
☀️ Sunshine
11.3h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
October (7.8/10)
Quick decision
Should you visit Okinawa 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: Okinawa in September: 30°C and 11.3h of sunshine. Decent, but not the peak.
By trip type
Okinawa 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
🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Okinawa is often underrated: 30°C, golden light and declining crowds. An interesting window. With 75% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. October (7.8/10) is significantly better if possible.
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All months for Okinawa
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 15°C | 19°C | 36% | 3.2 | 7.9h | 7.1/10 |
| 🌦️ February | 15°C | 20°C | 42% | 3.4 | 8.4h | 7.1/10 |
| 🌦️ March | 17°C | 21°C | 46% | 4.1 | 9.6h | 7.2/10 |
| 🌤️ April | 19°C | 23°C | 47% | 4.6 | 10.6h | 7.4/10 |
| 🌤️ May | 22°C | 26°C | 55% | 9.5 | 10.6h | 7.4/10 |
| ⛅ June | 25°C | 29°C | 71% | 10.5 | 11.3h | 7.2/10 |
| ⛅ July | 27°C | 30°C | 69% | 5.8 | 13.0h | 7.3/10 |
| ⛅ August | 27°C | 30°C | 70% | 6.7 | 12.6h | 7.2/10 |
| ⛅ September | 26°C | 30°C | 75% | 6.6 | 11.3h | 7.1/10 |
| 🌤️ October | 24°C | 28°C | 45% | 4.6 | 10.8h | 7.8/10 |
| 🌤️ November | 21°C | 24°C | 37% | 3.9 | 9.4h | 7.5/10 |
| ⛅ December | 17°C | 21°C | 37% | 4.7 | 7.4h | 7.1/10 |
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, Okinawa averages 30°C, 75% rainy days and 11.3h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
September vs October (best month)
The best month is October (score 7.8/10). Difference:
- 🌡️ Max temperature : -2°C
- 🌧 Rainy days : -30%
- ☀️ Sunshine : -0.5h/day
FAQ
FAQ — Okinawa in September
Is September a good time to visit Okinawa?
September is an acceptable time for Okinawa (score 7.1/10). Conditions are decent but not optimal — consider October (7.8/10) if possible.
Does it rain a lot in Okinawa in September?
Yes, 75% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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