Lucerne · AutumnMonth summary
Lucerne weather in September
✅ Good
🌡️ Temperature min / max
13°C – 20°C
🌧 Rainy days
47% of days
☀️ Sunshine
10.7h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
August (7.6/10)
Quick decision
Should you visit Lucerne in September?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: Favourable conditions in September (7.1/10). August scores higher but the gap is small.
By trip type
Lucerne in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Lucerne is often underrated: 20°C, golden light and declining crowds. An interesting window. With 47% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. August (7.6/10) 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 |
|---|---|---|---|---|---|---|
| 🌦️ January | 0°C | 5°C | 50% | 3.5 | 6.1h | 2.1/10 |
| 🌦️ February | 0°C | 8°C | 45% | 3.0 | 7.4h | 4.0/10 |
| 🌦️ March | 2°C | 11°C | 46% | 3.1 | 9.6h | 4.4/10 |
| 🌦️ April | 5°C | 15°C | 44% | 4.2 | 11.7h | 6.5/10 |
| 🌦️ May | 9°C | 18°C | 58% | 5.7 | 11.2h | 7.0/10 |
| 🌦️ June | 14°C | 24°C | 54% | 5.2 | 13.0h | 7.5/10 |
| 🌦️ July | 16°C | 24°C | 58% | 6.4 | 12.9h | 7.4/10 |
| 🌤️ August | 16°C | 25°C | 48% | 5.2 | 12.3h | 7.6/10 |
| 🌦️ September | 13°C | 20°C | 47% | 4.7 | 10.7h | 7.1/10 |
| 🌦️ October | 9°C | 15°C | 42% | 4.1 | 8.8h | 5.5/10 |
| 🌦️ November | 4°C | 9°C | 47% | 3.8 | 6.0h | 3.6/10 |
| 🌦️ December | 0°C | 6°C | 47% | 3.7 | 5.2h | 2.3/10 |
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, Lucerne averages 20°C, 47% rainy days and 10.7h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
September vs August (best month)
The best month is August (score 7.6/10). Difference:
- 🌡️ Max temperature : +5°C
- 🌧 Rainy days : +1%
- ☀️ Sunshine : +1.6h/day
FAQ
FAQ — Lucerne in September
Is September a good time to visit Lucerne?
September is an acceptable time for Lucerne (score 7.1/10). Conditions are decent but not optimal — consider August (7.6/10) if possible.
What to do in Lucerne in September?
With 20°C max and 10.7h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities and tours in Lucerne
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