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 perfect, 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.

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For a detailed overview over the year and the best time to visit Argentina, check out our San Martín's climate page.

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).

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.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

5/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Argentina, check out our San Martín's climate page.

More climate data for San Martín

Temperature Rainfall Sunshine Humidity

See the full San Martín climate overview or explore weather in Argentina.