Puerto Varas weather in September
September in Puerto Varas: cool, soaked, with clean air — a gamble, with 17 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#8 of 12 months in Puerto Varas · #1067 of 1413 destinations to visit in September · comfort 64/100 (tier C)
- Days
- 13°C
- Nights
- 4°C
- Wet days
- 17
- Sun
- 8 h
- Humidity
- 85%
- Daylight
- 12 h
Traveller notes on Puerto Varas in September
Other months in Puerto Varas
Chile's forum is blunt that August is the depths of winter in the Lake District, with rain and generally unsettled weather more likely than not around Puerto Varas. Posters describing this region even in summer mentioned wild swings within a single day - sun and 70s F one moment, wind and rain in the 50s the next - so August's version of that same 'four seasons in a day' unpredictability, just colder throughout, is the realistic expectation. Layering up and packing genuine rain gear matters more here than picking the 'right' week.
Forum posters describe February - the heart of the Southern Hemisphere summer here - as typically bringing daytime temperatures in the low-to-mid-20sC with sun on most days, but posters are consistent that good weather is never guaranteed in southern Chile and genuinely 'four seasons in a day' is a real possibility, with wind and rain both worth packing for even at the height of summer. Posters recommend layering rather than committing to either warm-weather or wet-weather gear alone, since conditions can shift meaningfully within the same day. The Lake District's scenery (volcanoes, lakes, waterfalls) is named as worth the visit regardless of which version of the weather shows up on a given day.
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Puerto Varas climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Puerto Varas 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.
Peak crowdsFiestas Patrias, Fiestas Patrias recess in Chile(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Puerto Varas'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 weatherPuerto Varas's weather peaks December–February.
Best weatherFair weatherToughest weather
What's on in Puerto Varas in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Osorno ski season
15 Jun – 30 Sep · usuallyThe small centre on the volcano's flank runs two lifts when the base holds, an hour from town, with the lake underneath you on a clear day. Clear days are the rare part.
- Holiday
Fiestas Patrias
16–21 Sep · usuallyNational holidayCrowdedBook earlyClosures18 and 19 September are Chile's biggest holidays, often stretched into a long weekend. Fondas serve empanadas, chicha and cueca dancing, long-distance buses and flights sell out, and offices and many shops close. Source ↗
Nearby, and something's on
Within 300 km of Puerto Varas — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Puerto Varas?
Puerto Varas in September — FAQ
- Is September a good time to visit Puerto Varas?
- September in Puerto Varas: cool, soaked, with clean air — a gamble, with 17 rainy days. It ranks #8 of 12 months for Puerto Varas on SeasonMap's comfort score (64/100).
- What is the weather like in Puerto Varas in September?
- In September, Puerto Varas averages a daily high of 12.9°C and a low of 4.4°C, with about 163.8 mm of rain over roughly 17.1 rainy days.
- What is the air quality in Puerto Varas in September?
- Puerto Varas has a mean US Air Quality Index of about 26 in September.
Within 300 km: San Martín de los Andes' Chapelco ski season around 25 Jun – 30 Sep, and San Carlos de Bariloche's Ski season around 29 Jun – 4 Oct.