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San Martín de los Andes Weather in September
San Martín de los Andes in September averages 8°C (46°F) during the day and -2°C (28°F) at night. Keep in mind that quite a bit of snow/rainfall is expected this month.
Rainfall in San Martín de los Andes in September
Climate statistics over the past 30 years suggest around 9 days of snow/rain, with 116 mm (4.6 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in San Martín de los Andes in September
In September, expect low temperatures in San Martín de los Andes, with highs of 8°C (46°F) and lows of -2°C (28°F) at night. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights are well below freezing at -2°C (28°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.September in San Martín de los Andes has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
San Martín de los Andes Temperature in September
Min Temperature
-2°C (28°F)
Max Temperature
8°C (46°F)
Chance of Rain
29%
Precipitation
116 mm (4.6 in)
Rainy days
9 days
San Martín de los Andes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Martín de los Andes - and find the best time to visit.
Historical weather records for San Martín de los Andes in September
Browse day-by-day weather records for San Martín de los Andes spanning 46 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Martín de los Andes historical weather extremes in September
Our historical data for San Martín de los Andes spans 2005 to 2026, revealing these weather extremes.
- The warmest day in September was on September 26, 2005, with a maximum of 23°C (73°F).
- The coldest September day was on September 30, 2018, with a maximum of -1°C (30°F).
- San Martín de los Andes registered its coldest September night on September 1, 2010, with temperatures dropping to -10°C (14°F).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in San Martín de los Andes in September
Dress warmly and in layers for your trip to San Martín de los Andes in September. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags.
What To Do in San Martín de los Andes in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling4/10 -
Walking4/10 -
Barbeque1/10 -
Camping1/10 -
Outdoor sports4/10
San Martín de los Andes 3-Day Forecast
More climate data for San Martín de los Andes
See the full San Martín de los Andes climate overview or explore weather in Argentina.
Popular in September
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) Bucket list
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