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Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
September in Llanquihue averages 14°C (57°F) during the day and 5°C (41°F) at night. Quite a bit of rainfall is typical this month, with around 161 mm (6.3 in) on average. An umbrella is a good idea.
If you prefer enjoying temperate temperatures and rain-free days, January and February typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Llanquihue - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Llanquihue typically stay consistent throughout September, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 5°C (41°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Llanquihue spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 32 years of weather observations in Llanquihue between 1993 and 2025, these are the recorded extremes.
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Llanquihue climate overview or explore weather in Chile.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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Enjoy the silence and peace in a spectacular landscape
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