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The advent of spring adorns the Argentine landscape with myriad colors and national parks across the country glisten with the spirit of the season. Crowds start to dwindle in the southern mountains of Patagonia as the ski season winds down and the tourist traffic starts heading to the coast. This transitional period is the best time to engage in last-minute winter sports or explore destinations in Argentina without having to brave large crowds and hiked prices.

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Argentina Weather in September

Fitz Roy mountain aerial view.
Test your endurance along the hiking trails surrounding Cerro Torre and Mount Fitz Roy.

September is warm and dry for the most part in north and northwest Argentina. Salta receives plenty of sunshine, and clouds subside gradually as the month progresses. The average daytime temperature in this part of the country hovers around 21°C, perfect for walking tours.

Buenos Aires, on the other hand, is comparatively colder. Temperatures in this part of the country stay stagnant at 18°C on most days, while the capital also receives about three to four days of rain throughout the month. The chances of precipitation increase toward the end of the month.

September is a transitory month in Patagonia. The weather here is unpredictable, with spontaneous snowfalls often followed by sunshine.

For a seasonal overview, visit our guide on the best time to visit Argentina.

Weather in Argentina in September - Rainfall and Temperatures

Avg Daily (°C)171922
Avg Nightly (°C)101114
Avg Daily (°F)636772
Avg Nightly (°F)505258
Avg Rainfall (mm)505080

Why Visit Argentina in September

Cathedral of Cordoba (Our Lady of the Assumption), Argentina
The Córdoba Cathedral (Our Lady of the Assumption) is the central church of the Roman Catholic Archdioceses of the city and the oldest church in continuous service in Argentina.
Caminito, La Boca district, Buenos Aires, Argentina
La Boca consists of a number of attractions near the Riachuelo River, proudly flaunting the colorful shacks that take back to the district's early immigrant days.

If you can adjust to the changing weather conditions of the country in September, there are a whole lot of possibilities to explore, and activities to do in Argentina. We have listed a few of them below.

  • Skiing: Southern Patagonia continues to show the traits of winter in September. Resort towns like Chapelco and Cerro Bayo are still covered in snow, welcoming the last batch of skiers. As crowds start to slim, visitors can get better deals on accommodation and services.
  • Hiking in the north: Mild weather conditions in the northern regions of Argentina make hiking all the more inviting. There are several routes that you can explore during this month. For instance, you can hike through the trails of the Calchaquí Valley while taking in the famous red hills and plunging canyons of this region. Alternatively, you can also visit Quebrada del Toro in the northwest and hike the legendary trail leading to Sillon del Inca — an Incan archaeological site.
  • Beating the crowds in the capital: The advent of warmer days means a gradual increase in footfall in most Argentine cities. However, there is still some time before Buenos Aires is crowded with tourists to the brim. Do not miss out on this opportunity to explore Buenos Aires at your own pace and take advantage of affordable accommodation and lower tourist traffic.
  • Festivals: Fiesta Nacional del Inmigrante (Immigrants’ Festival) is celebrated in different parts of Argentina in September. This festival aims to showcase all the diverse cultures that have contributed to the country and offers artistic and sports spectacles, artisan and commercial fairs, and an abundance of local dishes.

Where to go and what to do

Crowds in a street market
Buenos Aires features many street markets tucked away from the bustling city highlights.

September is the perfect time to discover the country’s outdoors before the sweltering heat of summer kicks in. If you are a wildlife lover, take this opportunity to visit Peninsula Valdes to see southern right whales and penguins. Else embark on sightseeing trips to Salta and Buenos Aires. While in the former, you might want to visit the Museum of High-Altitude Archeology and Museo Guemes to acquaint yourself with the history and culture of the country. Grab a cuppa in the historic Café Tortoni in Buenos Aires or head for Mendoza and indulge in wine-tasting. For all the foodies out there, the capital is home to renowned eateries that serve mouthwatering platters of authentic Argentine delicacies.

If you prefer the outdoors, go on a hiking trip in the Quebrada de San Lorenzo region to test your endurance. This area has trails that take you through a beautiful forest reserve located on the foothills of a mountain near Salta.

A trip to Argentina in September gives you the chance to indulge in a mixed bag of winter and springtime activities. There is snow in Patagonia for those who wish to ski and sun in the north to explore the great outdoors. This is also a great time to visit popular tourist attractions in larger cities like Casa Rosada in Buenos Aires and Museo Guemes in Salta before tourists start pouring in.

To devise a tailor-made itinerary, reach out to our travel expert in Argentina. They can plan a customized trip to Argentina based on your requirements. For instant inspiration, check out our Argentina tours in September.

Other Related Articles:
Argentina in August
Argentina in October

Published by Will Cooper, updated on June 6, 2023

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