Los Glaciares National Park Weather in September
September in Los Glaciares National Park averages 4°C (39°F) during the day and -3°C (27°F) at night. September is part of the rainy season, with around 236 mm (9.3 in) of snow/rainfall and frequent showers.
Rainfall in Los Glaciares National Park in September
As part of the rainy season, Los Glaciares National Park sees around 6 days of rain in September, with an average of 236 mm (9.3 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Los Glaciares National Park in September
If you're visiting Los Glaciares National Park in September, expect highs of 4°C (39°F) and overnight lows around -3°C (27°F). Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. Prepare for low temperatures this month by wearing plenty of layers. It's essential to stay warm in such cold conditions.
Sunshine in Los Glaciares National Park in September
The area enjoys a balanced 168 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Los Glaciares National Park's climate page.
Los Glaciares National Park Temperature in September
Min Temperature
-3°C (27°F)
Max Temperature
4°C (39°F)
Chance of Rain
18%
Precipitation
236 mm (9.3 in)
Rainy days
6 days
Humidity
61% *
Sunshine
168 hours *
Percentage Sunshine
48% *
Daily Historical Temperatures
45-year average (1979-2025)
Based on our historical records, temperatures in Los Glaciares National Park typically rise from around 8°C (46°F) at the start of September to approximately 12°C (54°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 3°C (37°F).
Average temperatures in September
Historical weather for Los Glaciares National Park in September
Browse day-by-day weather records for Los Glaciares National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Los Glaciares National Park historical weather extremes in September
Based on weather observations in Los Glaciares National Park between 2003 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 28, 2022, with a maximum of 18°C (64°F).
- Los Glaciares National Park experienced its chilliest September day on September 20, 2011, reaching only 2°C (36°F).
- Nighttime temperatures dropped to -8°C (18°F) on September 10, 2015, marking the coldest September night on record.
- Peak precipitation in September occurred on September 17, 2017, when 45 mm (1.8 in) of precipitation was measured.
Best Places in Argentina in September
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in September →
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What to Wear in Los Glaciares National Park in September
We recommend to layer up for chilly conditions in Los Glaciares National Park in September. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Los Glaciares National Park in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Los Glaciares National Park's climate page.
Temperature Rainfall Sunshine Humidity
See the full Los Glaciares National Park climate overview or explore weather in Argentina.
