September · Chile
Best time to visit Cajón del Maipo in September Weather, crowds & prices
Weather in Cajón del Maipo in September
Average temperature -1°C, 10 mm of rain, about 15 days with 6+ hours of sunshine and 48% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.7/10
Ranked #8 of 12 months
- Avg temp
- -1°C
- Rainfall
- 10 mm
- Humidity
- 48%
- Days with 6h+ sun
- 15
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Cajón del Maipo scores 6.7/10 for nature and wildlife travel - ranked #8 of 12. Expect around -1°C, 10 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Cajón del Maipo is Santiago’s weekend Andes-hot springs, canyon roads, and trailheads within a couple of hours. Best window: October-April in the Southern Hemisphere.
September in Cajón del Maipo — workable with trade-offs
September averages -1°C (30°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Precipitation is light at 10 mm (mostly snow at altitude), with about 15 days with 6+ hours of sunshine and 11.8 hours of daylight.
It scores 6.7/10 here, 8th of 12 months, against 9.6/10 in the destination's best month.
Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? January scores 2.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cajón del Maipo in September?
- In September, Cajón del Maipo averages -1°C, 10 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 6.7/10.
- Is September a good time to visit Cajón del Maipo?
- September earns a 6.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cajón del Maipo in September?
- Expect about 10 mm of rain in September. Average humidity is 48% and there are about 15 days with 6+ hours of sunshine.
Curated in Cajón del Maipo
Tickets & experiences
Things to do in Cajón del Maipo
Cajón del Maipo, Chile. Live activities and tours from GetYourGuide, matched to this destination.