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.
If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
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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).
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.
Based on weather observations in Los Glaciares National Park between 2003 and 2026, these are the recorded extremes during 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 →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Los Glaciares National Park climate overview or explore weather in Argentina.
Where to go in September - average daytime high across popular destinations.
Córdoba
23°C (73°F) Salta21°C (70°F) Mendoza20°C (68°F) Buenos Aires
20°C (68°F) Mar del Plata16°C (61°F) San Martín de los Andes
8°C (46°F) San Carlos de Bariloche8°C (46°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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