Nikko · AutumnMonth summary
Nikko weather in September
⚠️ Fair
🌡️ Temperature min / max
16°C – 22°C
🌧 Rainy days
82% of days
☀️ Sunshine
8.2h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
6.1/10
📅 📅 Best month
July (7.0/10)
Quick decision
Should you visit Nikko in September?
⚠️ Fair
✅ 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: Nikko in September is possible but July offers a score of 7.0/10 vs 6.1.
By trip type
Nikko in September by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in September
Autumn marks the end of peak season in Nikko. Temperatures drop (22°C) and rain returns (82% of days). With 82% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. July (7.0/10) 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 | Ski score 🎿 |
|---|---|---|---|---|---|---|---|
| 🌨️ January | -4°C | 3°C | 36% | 2.1 | 9.2h | 4.1/10 | 8.2/10 |
| 🌨️ February | -5°C | 4°C | 36% | 2.2 | 10.0h | 4.1/10 | 8.3/10 |
| 🌦️ March | -1°C | 8°C | 49% | 5.5 | 10.6h | 4.1/10 | 6.9/10 |
| 🌦️ April | 4°C | 14°C | 54% | 6.4 | 11.2h | 5.0/10 | 4.8/10 |
| 🌦️ May | 10°C | 18°C | 59% | 8.2 | 11.0h | 6.8/10 | 4.0/10 |
| 🌧️ June | 14°C | 21°C | 79% | 10.2 | 9.9h | 6.4/10 | 3.0/10 |
| 🌧️ July | 19°C | 25°C | 84% | 12.9 | 9.5h | 7.0/10 | 2.4/10 |
| 🌦️ August | 20°C | 26°C | 90% | 11.9 | 10.9h | 7.0/10 | 2.5/10 |
| 🌧️ September | 16°C | 22°C | 82% | 11.4 | 8.2h | 6.1/10 | 2.5/10 |
| 🌦️ October | 10°C | 16°C | 62% | 9.3 | 8.6h | 4.7/10 | 3.6/10 |
| 🌦️ November | 4°C | 11°C | 39% | 3.2 | 9.0h | 4.6/10 | 5.8/10 |
| 🌦️ December | -2°C | 6°C | 36% | 2.2 | 8.9h | 4.1/10 | 7.6/10 |
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, Nikko averages 22°C, 82% rainy days and 8.2h of sunshine per day. Overall weather score: 6.1/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 7.0/10). Difference:
- 🌡️ Max temperature : +3°C
- 🌧 Rainy days : +2%
- ☀️ Sunshine : +1.3h/day
FAQ
FAQ — Nikko in September
Is September a good time to visit Nikko?
Transition period with a summer score of 6.1/10 and ski score of 2.5/10. Neither the best ski nor summer season.
Does it rain a lot in Nikko in September?
Yes, 82% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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