Matsuyama · AutumnMonth summary
Matsuyama weather in September
✅ Good
🌡️ Temperature min / max
72°F – 81°F
🌧 Rainy days
43% of days
☀️ Sunshine
8.6h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
8.3/10
📅 📅 Best month
September (8.3/10)
Quick decision
Should you visit Matsuyama 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: Matsuyama in September: 81°F and 8.6h of sunshine. Decent, but not the peak.
By trip type
Matsuyama 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
Autumn in Matsuyama is often underrated: 27°F, golden light and declining crowds. An interesting window. Expect rain on 43% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if September (8.3/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 39°F | 50°F | 28% | 2.8in | 7.4h | 7.0/10 |
| 🌫️ February | 37°F | 50°F | 31% | 2.8in | 8.7h | 7.0/10 |
| ⛅ March | 43°F | 57°F | 35% | 4.5in | 8.4h | 7.0/10 |
| 🌤️ April | 52°F | 64°F | 33% | 5.8in | 9.0h | 7.4/10 |
| 🌤️ May | 59°F | 72°F | 32% | 5.9in | 9.1h | 8.1/10 |
| 🌤️ June | 66°F | 77°F | 49% | 9.6in | 8.3h | 7.9/10 |
| 🌤️ July | 75°F | 84°F | 51% | 9.9in | 9.0h | 8.0/10 |
| 🌤️ August | 77°F | 86°F | 43% | 6.9in | 10.0h | 8.0/10 |
| 🌤️ September | 72°F | 81°F | 43% | 7.4in | 8.6h | 8.3/10 |
| 🌤️ October | 61°F | 72°F | 28% | 4.5in | 8.2h | 8.2/10 |
| 🌤️ November | 52°F | 64°F | 29% | 3.4in | 8.0h | 7.5/10 |
| ⛅ December | 43°F | 54°F | 33% | 3.2in | 7.3h | 7.0/10 |
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, Matsuyama averages 81°F, 43% rainy days and 8.6h of sunshine per day. Overall weather score: 8.3/10.
See methodology →
Comparison
September vs September (best month)
The best month is September (score 8.3/10). Difference:
- 🌡️ Max temperature : +0°F
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Matsuyama in September
Is September a good time to visit Matsuyama?
September is an excellent time to visit Matsuyama (score 8.3/10). With 81°F, 8.6h of sunshine and 43% rain, conditions are very favourable.
What to do in Matsuyama in September?
With 81°F and 8.6h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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Activities & tours
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