September · Chile
Best time to visit Los Andes in September Weather, crowds & prices
Weather in Los Andes in September
Average temperature 11°C, 10 mm of rain, about 16 days with 6+ hours of sunshine and 38% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.7/10
Ranked #8 of 12 months
- Avg temp
- 11°C
- Rainfall
- 10 mm
- Humidity
- 38%
- Days with 6h+ sun
- 16
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Los Andes scores 8.7/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 11°C, 10 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.
Los Andes is the Aconcagua corridor town-wine valleys, Andean passes, and a base toward Portillo ski approaches. Best window: October-April in the Southern Hemisphere.
September ranks 8th of 12 for Los Andes — one of the best windows
September averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rain is a non-issue at 10 mm for the month, with about 16 days with 6+ hours of sunshine and 11.8 hours of daylight to work with.
A 8.7/10 puts this among the year's best months in Los Andes (8th of 12); only January scores higher, at 9.8/10.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Los Andes in September?
- In September, Los Andes averages 11°C, 10 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
- Is September a good time to visit Los Andes?
- September earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Los Andes in September?
- Expect about 10 mm of rain in September. Average humidity is 38% and there are about 16 days with 6+ hours of sunshine.
Curated in Los Andes
Tickets & experiences
Things to do in Los Andes
Los Andes, Chile. Live activities and tours from GetYourGuide, matched to this destination.