Lyon · AutumnMonth summary
Lyon weather in September
✅ Good
🌡️ Temperature min / max
55°F – 73°F
🌧 Rainy days
24% of days
☀️ Sunshine
10.9h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
8.0/10
📅 📅 Best month
July (9.0/10)
Quick decision
Should you visit Lyon 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
Lyon in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Lyon is often underrated: 23°F, golden light and declining crowds. An interesting window. Rain risk remains low (24% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if July (9.0/10) remains theoretically better.
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All months for Lyon
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 34°F | 45°F | 40% | 0.1in | 5.1h | 3.7/10 |
| 🌫️ February | 36°F | 52°F | 30% | 0.1in | 7.7h | 5.1/10 |
| ⛅ March | 39°F | 55°F | 38% | 0.1in | 9.7h | 5.7/10 |
| ⛅ April | 45°F | 63°F | 31% | 0.1in | 11.3h | 7.1/10 |
| 🌤️ May | 52°F | 68°F | 40% | 0.1in | 12.2h | 7.4/10 |
| 🌤️ June | 61°F | 79°F | 36% | 0.1in | 13.4h | 8.3/10 |
| 🌤️ July | 63°F | 82°F | 27% | 0.1in | 13.7h | 9.0/10 |
| ☀️ August | 63°F | 84°F | 21% | 0.1in | 12.6h | 8.7/10 |
| 🌤️ September | 55°F | 73°F | 24% | 0.1in | 10.9h | 8.0/10 |
| 🌤️ October | 50°F | 64°F | 31% | 0.1in | 8.4h | 7.1/10 |
| 🌦️ November | 41°F | 52°F | 41% | 0.1in | 6.3h | 4.2/10 |
| 🌦️ December | 36°F | 46°F | 38% | 0.1in | 5.0h | 4.0/10 |
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, Lyon averages 73°F, 24% rainy days and 10.9h of sunshine per day. Overall weather score: 8.0/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 9.0/10). Difference:
- 🌡️ Max temperature : +5°F
- 🌧 Rainy days : +3%
- ☀️ Sunshine : +2.8h/day
FAQ
FAQ — Lyon in September
Is September a good time to visit Lyon?
September is an excellent time to visit Lyon (score 8.0/10). With 73°F, 10.9h of sunshine and 24% rain, conditions are very favourable.
What to do in Lyon in September?
With 73°F and 10.9h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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Activities & tours
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Explore also
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