Shoulder Season

Ushuaia in September 2026

Antarctic expedition travellers who want to combine a Patagonia adventure with Southern Lights viewing. Here's everything you need to plan your September visit.

✦7/10

🌡️ Weather in Ushuaia in September

4°C

Avg Temperature

cool — mid-weight layers recommended

12h

Dark Hours / Night

Long dark nights — excellent aurora windows

🟡 Medium

Aurora Likelihood

Aurora possible on clear, dark nights — bring a camera just in case

September in Ushuaia sits at 4°C average, which is cool — mid-weight layers recommended. Expect around 12 hours of darkness each night. Pack accordingly and check the detailed packing list below.

🌌 Aurora Australis in September

🟡 Medium likelihood· Aurora score 7/10

Ushuaia has a base aurora score of 7/10. In September, aurora is possible on clear nights. With 12 hours of darkness, you have reasonable viewing windows if solar activity cooperates.

Tips for aurora chasing in September: Head away from town light pollution, check real-time Kp forecasts (apps like SpaceWeatherLive or My Aurora Forecast), and allow at least 3 nights to maximise your chances of a sighting.

🎯 What to Do in Ushuaia in September

✓Kayaking

✓Hiking & Trekking

✓Wildlife Watching

✓Glacier Hiking

✓Southern Ocean Wildlife

✓Photography Tours

Activity availability depends on snow / ice conditions and local operator schedules. Always confirm in advance.

🎒 What to Pack for September in Ushuaia

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Moisture-wicking base layer, fleece jacket, and a wind/waterproof outer layer

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Sturdy waterproof footwear — conditions can turn quickly

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A warm hat and light gloves for evenings and windy conditions

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Camera with manual mode, wide-angle lens (f/2.8 or faster), and sturdy tripod

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Extra camera batteries — cold drains power fast; keep spares in an inner pocket

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Remote shutter release or intervalometer for long-exposure aurora shots

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Ski goggles or polarised sports glasses for snow glare

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Waterproof salopettes or snow trousers for multi-hour outdoor activities

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Dry bag for electronics; most operators provide drysuits but check in advance

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Sea sickness prevention if boat trips are planned

📦 View the full interactive packing list for Ushuaia →

🏨 Accommodation in September

Shoulder Season

Shoulder season offers a sweet spot: fewer crowds but conditions are still good. Prices average $51/night for mid-range. Boutique Hotels, Mountain Lodges, Expedition Guesthouses are available. Booking 4–6 weeks ahead is usually sufficient.