Weather in Luzern in September
Climate normals based on 10 years of historical data for Luzern, Schweiz.
Average high
20°C
Average low
12°C
Rainfall
130 mm
14 rainy days
Sunshine
4.2h/day
Luftfeuchtigkeit
79%
How Hot Is Luzern in September?
September keeps Luzern warm but with noticeable cooling at night: 20°C peaks, 12°C lows.
Sunshine Hours in September
Sun comes and goes in Luzern: 4.2h of direct sun, daylight from 7:05 am to 7:35 pm.
Does It Rain In Luzern In September?
Wet conditions dominate Luzern: 130mm of rain on 14 days.
Is Luzern Humid In September?
Air feels constantly thick in Luzern: 79% humidity is the norm in September.
Wind In Luzern In September
Winds stay light in Luzern — averaging 8 kph in September, with mostly still air.
Cloud Cover In Luzern In September
Luzern's September runs cloudy: typical cloud cover of 56%.
Cities With Similar Weather In September
Weather in Luzern, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 5°C / -1°C | 111mm | Details → |
| Wetter im Februar | 7°C / 0°C | 84mm | Details → |
| Wetter im März | 10°C / 1°C | 110mm | Details → |
| Wetter im April | 14°C / 4°C | 131mm | Details → |
| Wetter im Mai | 18°C / 8°C | 173mm | Details → |
| Wetter im Juni | 23°C / 13°C | 174mm | Details → |
| Wetter im Juli | 25°C / 15°C | 177mm | Details → |
| Wetter im August | 25°C / 15°C | 172mm | Details → |
| Wetter im September | 20°C / 12°C | 130mm | |
| Wetter im Oktober | 16°C / 8°C | 123mm | Details → |
| Wetter im November | 9°C / 3°C | 111mm | Details → |
| Wetter im Dezember | 6°C / 1°C | 118mm | Details → |