Argentina, South America
Buenos Aires in September
Early spring with flowers in the parks and pleasant walking weather. Good value month.

The straight answer
September is a good month to visit Buenos Aires. Early spring with flowers in the parks and pleasant walking weather. Good value month.
- Weather
- Mild, highs near 66F (19C), spring arriving
- Crowds
- 2 of 5
- Prices
- 2 of 5
What September is like in Buenos Aires
September brings early spring to Buenos Aires. Highs are near 66F (19C), the parks start to flower, and the days grow longer and brighter. Crowds are light and prices remain low, making it a good value month. The Buenos Aires Marathon usually takes place in September, running past many of the city's landmarks.
September suits walkers, runners, and budget-minded couples and families who want mild weather and a quieter city. Evenings can still be cool, so pack layers. If you want warmer days and the jacaranda bloom, wait for late October or November.
Make the most of September
What is especially good about Buenos Aires this month.
Buenos Aires Marathon
Most years the marathon runs in September, on a flat, fast course through major landmarks.
Spring flowers in the parks
Palermo's gardens start to bloom, and the city feels fresh and green.
Costanera Sur ecological reserve
Mild spring weather is ideal for walking or biking this nature reserve by the river.
What to pack for September
- Layers for mild days and cool nights
- A light jacket
- Comfortable walking or running shoes
- A small umbrella
Our timing tip
If you are not running the marathon, check the race date and avoid planning a driving day across the city that morning.
Book Buenos Aires for September.
Sponsored links to Expedia and Vrbo. We may earn a commission; it never changes a verdict.
- Hotels for September
Hotels. Expedia
Hotels in Buenos AiresOpens a hotel search for Buenos Aires in September, dates filled in. Book early for the best months: the good rooms go first.
- Rentals on Vrbo
Vacation rentals. Vrbo
Vacation rentals in Buenos AiresWhole homes, condos and villas. Usually the better deal for families and groups, with a kitchen and room to spread out.
- Tours and tickets
Tours and tickets. Expedia
Tours and tickets in Buenos AiresTimed-entry tickets, day trips and guided tours in Buenos Aires for September. Popular slots sell out in the best months.
What's on in September
Buenos Aires Marathon
September, most years
A flat, fast course through the city's major landmarks.
Things to do in Buenos Aires
Teatro Colon
Take a guided tour or, better, see an opera or ballet during the main season. Its acoustics are among the best in the world.
Recoleta Cemetery
A city of marble mausoleums, including Eva Peron's family tomb. Go in the morning when it is quieter.
San Telmo Sunday market
The Feria de San Telmo fills Calle Defensa on Sundays with antiques, crafts, and street tango.
MALBA
The Museum of Latin American Art of Buenos Aires, with works by Frida Kahlo, Diego Rivera, and Argentine modernists.
La Boca and Caminito
The painted tin houses and La Bombonera stadium. Visit in daylight and stay in the main tourist area.
A milonga
Watch or dance at a traditional tango hall. Many start late and run into the early morning.
Beat the crowds
- Visit Recoleta Cemetery and La Boca in the morning before tour groups arrive.
- Go to San Telmo early on Sunday; by midafternoon, Calle Defensa is packed.
- Book Teatro Colon tickets as soon as the season schedule is released; the best performances sell out.
- May and September offer mild weather and lower prices, with fewer international visitors.
Know before you go
- January is summer holiday season: some restaurants, shops, and theaters close for part of the month while locals head to the coast.
- Many restaurants do not open for dinner until 8pm, and locals eat around 9pm or 10pm. Plan accordingly.
- Argentina has frequent public holidays, often moved to Mondays to create long weekends. Some businesses close on these days.
- Economic conditions change quickly in Argentina. Check current guidance on exchange rates and card payments before you travel.
Buenos Aires in September, quick answers
Is September a good time to visit Buenos Aires?
September is a good month to visit Buenos Aires. Early spring with flowers in the parks and pleasant walking weather. Good value month.
What is the weather like in Buenos Aires in September?
Mild, highs near 66F (19C), spring arriving.
Is Buenos Aires crowded in September?
September is one of the quieter months in Buenos Aires; most sights can be done without long waits.
What is happening in Buenos Aires in September?
Buenos Aires Marathon (september, most years).
Keep planning Buenos Aires.
The months either side, and the best one if this is not it.
Also at their best in September
Before you book.
Sort these two things first.
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