September · Chile
Best time to visit Laguna San Rafael in September Weather, crowds & prices
Weather in Laguna San Rafael in September
Average temperature 2°C, 118 mm of rain, about 3 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
3.7/10
Ranked #8 of 12 months
- Avg temp
- 2°C
- Rainfall
- 118 mm
- Humidity
- 91%
- Days with 6h+ sun
- 3
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Laguna San Rafael scores 3.7/10 for nature and wildlife travel - ranked #8 of 12. Expect around 2°C, 118 mm of rain, and roughly 3 days with 6+ hours of sunshine this month.
Laguna San Rafael is a glacier calving lagoon reached by boat or flight-ice walls meeting turquoise water. Best window: November through March in the Southern Hemisphere.
September in Laguna San Rafael — off-season conditions
At 2°C (36°F) this is proper winter weather in September: layer up and split the day between outdoor highlights and indoor stops.
118 mm of rain signals a properly wet month, with only about 3 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 3.7/10 on the same scale — 8th of 12 months, versus 8.2/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Laguna San Rafael — 4.5 points higher on the same scale.
Frequently asked
- What is the weather like in Laguna San Rafael in September?
- In September, Laguna San Rafael averages 2°C, 118 mm of rain, and about 3 days with 6+ hours of sunshine. Its climate-comfort score is 3.7/10.
- Is September a good time to visit Laguna San Rafael?
- September earns a 3.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Laguna San Rafael in September?
- Expect about 118 mm of rain in September. Average humidity is 91% and there are about 3 days with 6+ hours of sunshine.
Curated in Laguna San Rafael
Tickets & experiences
Things to do in Laguna San Rafael
Laguna San Rafael, Chile. Live activities and tours from GetYourGuide, matched to this destination.