Arroyo Seco Weather in September

Arroyo Seco in September averages 22°C (72°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Arroyo Seco in September

Typically, you can expect about 6 days of rain this month, with 69 mm (2.7 in) on average. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in Arroyo Seco in September

The temperature in Arroyo Seco in September is perfect. Daytime highs reach 22°C (72°F), with nights dropping to 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Arroyo Seco in September

Expect a lot of sunshine this month, with about 199 hours of sun. These sunny conditions add to the overall experience.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Arroyo Seco.

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

Arroyo Seco Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 19%  

Precipitation 69 mm (2.7 in)  

Rainy days 6 days  

Humidity 74% *  

Sunshine 199 hours *  

Percentage Sunshine 56% *  

* Data from: Rosario, Argentina (36 KM, 22 Miles).

What to Wear in Arroyo Seco in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Arroyo Seco in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

4/10

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 Arroyo Seco's climate page.

More climate data for Arroyo Seco

Temperature Rainfall Sunshine Humidity

See the full Arroyo Seco climate overview or explore weather in Argentina.