Laax weather in September
Switzerland

September in Laax: nice, rainy, with clean air — not the best time to visit.
#9 of 12 months in Laax · #1336 of 1383 destinations to visit in September · comfort 23/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Laax in September
No notes yet. Open Laax on the map to add the first one.
Laax climate normals — September
| Daytime high | 18°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 8°C / 47°F | |
| Rainfall | 144 mm / 5.6 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 9 h/day | |
| Daylight | 12.5 h | |
| Wind | 6 km/h / 4 mph | |
| Snowfall | 12 cm / 4.7 in | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Laax in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Laax's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherLaax's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Laax in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Summer mountain railways
1 Jun – 25 Oct · usuallySummer season opensThe cable cars run from June into late October for walkers and bikers, which is the only way onto the high ground without a long climb. October is the quiet good month, with the larches turning. Source ↗
Nearby, and something's on
Within 300 km of Laax — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Laax?
Laax in September — FAQ
- Is September a good time to visit Laax?
- September in Laax: nice, rainy, with clean air — not the best time to visit. It ranks #9 of 12 months for Laax on SeasonMap's comfort score (23/100).
- What is the weather like in Laax in September?
- In September, Laax averages a daily high of 18.1°C and a low of 8.2°C, with about 143.5 mm of rain over roughly 13.8 rainy days.
- What is the air quality in Laax in September?
- Laax has a mean US Air Quality Index of about 38 in September.
- Does it snow in Laax in September?
- Laax sees roughly 12 cm of snowfall in September.
Other months in Laax
Compare Laax in September
Warmer or cooler than Laax in September
Similar destinations in Central Europe — September
Within 300 km: Davos' Mountain railways open for summer around 1 May – 25 Oct, and Lugano's San Salvatore funicular season around 14 Mar – 8 Nov.