Rosario Weather in September

Mild and comfortable, with occasional showers. Average highs of 21°C and lows of 10°C, with around 6 rainy days expected throughout the month.

While September isn't our top-rated month for Rosario, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

21°C

Average low

10°C

Rainy days

6 days

Best months to visit

February, March, April, October, November, December

What to do in Rosario in September

Whatever the weather, Rosario rewards curious visitors. Here are some of the best ways to spend your time:

Monumento Che Guevara and birthplace museum visit Paraná River boat excursion: sunset cruise and fishing Contemporary Art Museum and gallery district exploration Costanera Sur promenade and picnic with locals Libertador General San Martín Monument historical tour Local market and empanada cooking class immersion

What to pack for September

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.