Tokyo · AutumnMonth summary
Tokyo weather in September
✅ Good
🌡️ Temperature min / max
21°C – 28°C
🌧 Rainy days
52% of days
☀️ Sunshine
8.8h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.4/10
📅 📅 Best month
May (7.5/10)
Quick decision
Should you visit Tokyo 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: Tokyo in September: 28°C and 8.8h of sunshine. Decent, but not the peak.
By trip type
Tokyo in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Tokyo is often underrated: 28°C, golden light and declining crowds. An interesting window. With 52% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. May (7.5/10) is significantly better if possible.
Browse by month
All months for Tokyo
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 0°C | 9°C | 16% | 1.7 | 8.7h | 5.7/10 |
| 🌫️ February | 1°C | 10°C | 24% | 1.8 | 9.5h | 5.8/10 |
| ⛅ March | 4°C | 14°C | 39% | 4.6 | 9.8h | 5.6/10 |
| 🌤️ April | 10°C | 19°C | 39% | 4.5 | 10.1h | 7.1/10 |
| 🌤️ May | 15°C | 23°C | 39% | 5.0 | 10.6h | 7.5/10 |
| 🌤️ June | 19°C | 26°C | 49% | 6.4 | 9.7h | 7.4/10 |
| 🌤️ July | 23°C | 30°C | 51% | 5.7 | 10.7h | 7.4/10 |
| 🌤️ August | 25°C | 32°C | 46% | 4.5 | 11.5h | 7.3/10 |
| 🌤️ September | 21°C | 28°C | 52% | 6.9 | 8.8h | 7.4/10 |
| 🌦️ October | 14°C | 21°C | 42% | 6.5 | 7.5h | 7.1/10 |
| ⛅ November | 8°C | 17°C | 29% | 2.8 | 9.0h | 7.0/10 |
| 🌫️ December | 2°C | 11°C | 22% | 1.8 | 8.7h | 5.9/10 |
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, Tokyo averages 28°C, 52% rainy days and 8.8h of sunshine per day. Overall weather score: 7.4/10.
See methodology →
Comparison
September vs May (best month)
The best month is May (score 7.5/10). Difference:
- 🌡️ Max temperature : -5°C
- 🌧 Rainy days : -13%
- ☀️ Sunshine : +1.8h/day
FAQ
FAQ — Tokyo in September
Is September a good time to visit Tokyo?
September is an acceptable time for Tokyo (score 7.4/10). Conditions are decent but not optimal — consider May (7.5/10) if possible.
Does it rain a lot in Tokyo in September?
Yes, 52% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Tokyo
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