Climate guide for Patagonia, Chile

Patagonia in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Chile

Best time to visit Patagonia in September Weather, crowds & prices

Weather in Patagonia in September

Average temperature -1°C, 93 mm of rain, about 5 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

3.9/10

Ranked #7 of 12 months

Full year for Patagonia
Avg temp
-1°C
Rainfall
93 mm
Humidity
88%
Days with 6h+ sun
5
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Patagonia scores 3.9/10 for nature and wildlife travel - ranked #7 of 12. Expect around -1°C, 93 mm of rain, and roughly 5 days with 6+ hours of sunshine this month.

Granite towers, glacier-fed lakes, and open steppe define Chilean Patagonia, with Torres del Paine at the center.

September in Patagonia — the hardest end of the year

September averages -1°C (31°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 93 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with about 5 days with 6+ hours of sunshine and 11.6 hours of daylight.

It scores 3.9/10 here, 7th of 12 months, against 7.3/10 in the destination's best month.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? January scores 3.4 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Patagonia in September?
In September, Patagonia averages -1°C, 93 mm of rain, and about 5 days with 6+ hours of sunshine. Its climate-comfort score is 3.9/10.
Is September a good time to visit Patagonia?
September earns a 3.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Patagonia in September?
Expect about 93 mm of rain in September. Average humidity is 88% and there are about 5 days with 6+ hours of sunshine.

Curated in Patagonia

Tickets & experiences

Things to do in Patagonia

Patagonia, Chile. Live activities and tours from GetYourGuide, matched to this destination.