Lauterbrunnen weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: June – September
Best for skiing: December – March
What is the weather like in Lauterbrunnen in September?
In September, Lauterbrunnen is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 5 hours of sunshine a day. It rains often – on about 15 days, adding up to 149 mm. All in all, September is a good month for a holiday in Lauterbrunnen.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 62 | 64 | 54 |
| Day | 22° | 18° | 14° |
| Night | 12° | 9° | 5° |
| Sun | 6 h | 5 h | 3 h |
| Rain days | 18 | 15 | 13 |
More details for September
- Daylight
- 12 h 38 min07:05 – 19:43
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 8 km/haverage daily peakAll months
- Cloud cover
- 63 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Zurich
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %35 %
- Few rainy daysweight 30 %25 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Lauterbrunnen in September: quick answers
Is Lauterbrunnen hot in September?
No. In September, Lauterbrunnen is mild: daytime highs average 18 °C and nights drop to about 9 °C.
Does it rain much in Lauterbrunnen in September?
It rains often – on about 15 days, adding up to 149 mm.
Lauterbrunnen month by month
The whole year in LauterbrunnenAll destinations: SwitzerlandWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences