Laax weather in September

September in Laax: nice, soaked, with clean air — not the time — 15 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Laax🇨🇭 Switzerland · Alps · Ski26
  1. 91Jan
  2. 83Feb
  3. 79Mar
  4. 59Apr
  5. 37May
  6. 17Jun
  7. 12Jul
  8. 14Aug
  9. 26Sep
  10. 45Oct
  11. 75Nov
  12. 87Dec

#9 of 12 months in Laax · #1356 of 1413 destinations to visit in September · comfort 26/100 (tier F)

Days
16°C
Nights
7°C
Wet days
15
Sun
8.9 h
Humidity
84%
Daylight
13 h
Laax, Switzerland
Photo: Thomas Forsberg · Pexels

Traveller notes on Laax in September

Notes from nearby Malbun (42 km away)

Laax doesn't have its own notes for September yet — these are about Malbun, close enough to share the season.

Malbun-forum threads on the resort describe it as Liechtenstein's genuinely small but worthwhile winter identity, most posters comparing it favorably to neighboring Austrian and Swiss resorts for a quieter, relaxed pace despite the modest scale. Regulars are direct September sits well outside that season, the mountain instead offering hiking and sledding-adjacent activities through the valley. Posters describe daytime conditions as comfortable for walking, evenings turning noticeably cool enough at this elevation that a proper layer is standing advice regardless of how mild the afternoon felt. A real shower is possible on any given day, mountain weather here shifting meaningfully within a few hours. Regulars recommend the short bus from Vaduz as an easy, car-free way to reach the village. Posters call the alpine scenery worth the visit regardless of season. The record: 13.6C days feeling like 12C, 4.3C nights, an extraordinarily high 164mm across over 16 days and 82 percent humidity.
MalbunSeptemberRegular · September · 1 month ago · about Malbun · Read more on Tripadvisor ↗

Other months in Laax

Laax-forum reviews comparing summer and winter describe June as good timing overall, posters citing highs around seventeen degrees Celsius and lows near seven as comfortable for hiking and general sightseeing. Regulars call the wider Flims-Laax-Falera area worth exploring beyond the resort core, each of the three towns offering a slightly different character for a June base. Posters recommend checking current restaurant listings directly, several June-updated recommendations pointing toward specific local favorites worth prioritizing. Regulars call the resort genuinely a year-round destination rather than strictly a winter one, several reviewers describing summer visits as just as worthwhile as a ski trip. Posters recommend real layers regardless of a mild valley forecast, June evenings here turning cool fast once the sun drops behind the peaks. The record: 20.9C days feeling like 21C, 9.9C nights, an extraordinarily high 181.2mm across nearly 20 days and 78 percent humidity.
LaaxJuneRegular · June · 1 month ago · Read more on Tripadvisor ↗
Laax-forum reviews on an April visit describe impressive coverage on this south-facing resort even during the second week of the month, posters calling this a real surprise given a below-average season overall. Regulars call coming earlier in the season a genuine advantage, conditions and crowds both considerably better than a late-April visit. Posters recommend checking current lift and terrain status directly before booking, April conditions here varying considerably by year and by how the winter went. Regulars call the wider Flims-Laax-Falera area worth comparing before choosing a base, each town offering a slightly different character. Posters recommend real spring-conditions layers regardless of a sunny forecast, mountain weather here shifting fast this time of year. The record: 11.4C days feeling like 10C, 1.3C nights, an extraordinarily high 107.4mm across nearly 15 days and 77 percent humidity.
LaaxAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
Laax-forum reviews are direct that conditions here genuinely depend on the weather more than at some neighboring resorts, strong wind capable of closing large sections of the lift network beyond just the Casson area. Posters describe January and February as generally the stronger months compared to early or late season, though several reviews mention lift closures even during a peak-season visit when conditions turned unfavorable. Regulars call the difference between valley and summit weather considerable, a calm base village entirely compatible with genuinely rough conditions up top. Posters describe stark wind as capable of blowing snow off exposed terrain, visibly thinning coverage. Regulars recommend checking current lift status before planning a day around specific terrain. Posters call the terrain park a genuine highlight when conditions cooperate. The record: 3.4C days feeling like 0C, -4.9C nights, a notably high 51.9cm of fresh accumulation and 77 percent humidity.
LaaxFebruaryRegular · February · 1 month ago · Read more on Tripadvisor ↗
Laax-forum reviews on late-August visits describe conditions as still genuinely warm and comfortable well into the month, one visitor calling the weather wonderful for hiking and lake time even as summer wound down. Posters are consistent this stretch of the Graubunden Alps runs comfortably through summer but is also called the wettest part of the year regionally, a real shower entirely possible even on an otherwise promising morning, with conditions capable of swinging from sunny and warm to cooler with a passing system on short notice. Regulars call the shift from a ski-focused winter identity to a genuine outdoor summer base a real surprise for first-time visitors expecting a quiet off-season town. Higher-altitude hikes and the area's lakes are both named strong August picks, with layers recommended regardless of how settled the morning looks. The record: 20.8C days feeling like 20C, 10.8C nights, an extraordinarily high 218mm across nearly 18 days and 82 percent humidity.
FlimsLaaxAugustRegular · August · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Laax's card on the map.

Laax climate normals — September

Daytime high16°C / 61°F😎 nice
Nighttime low7°C / 44°F
Feels like (high)16°C / 61°F
Rainfall150 mm / 5.9 in⛈ soaked
Rainy days15 days
Humidity84%💦 very humid
Dew point8°C / 47°F
Sunshine8.9 h/day
Daylight12.5 h
Wind6 km/h / 4 mph
Snowfall12.1 cm / 4.8 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)

JFMAMJJASOND

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.

JFMAMJJASOND

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 opens

    The 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 ↗

What's on around the world in September →

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?

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Laax in September — FAQ

Is September a good time to visit Laax?
September in Laax: nice, soaked, with clean air — not the time — 15 rainy days. It ranks #9 of 12 months for Laax on SeasonMap's comfort score (26/100).
What is the weather like in Laax in September?
In September, Laax averages a daily high of 16.3°C and a low of 6.8°C, with about 150.1 mm of rain over roughly 15 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 12.1 cm of snowfall in 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.