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San Martín Weather in September
In San Martín, September brings high daytime temperatures around 23°C (73°F), with nights cooling to 9°C (48°F). Some rainfall is to be expected.
Rainfall in San Martín in September
You can expect rain on roughly 3 days based on historical data, averaging 16 mm (0.6 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in San Martín in September
September is a good time to be in San Martín. Days are excellent, reaching 23°C (73°F), with nights around 9°C (48°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in San Martín in September
The days are predominantly sunny, with an estimated total of around 221 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.So this is a great month to visit if you prefer dry days with pleasant temperatures.
San Martín Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
23°C (73°F)
Chance of Rain
10%
Precipitation
16 mm (0.6 in)
Rainy days
3 days
Humidity
50% *
Sunshine
221 hours *
Percentage Sunshine
63% *
* Data from: Mendoza, Argentina (40 KM, 24 Miles).
San Martín Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Martín - and find the best time to visit.
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 in September
For San Martín in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in San Martín in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping5/10 -
Outdoor sports10/10
San Martín 3-Day Forecast
More climate data for San Martín
Temperature Rainfall Sunshine Humidity
See the full San Martín 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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