SeasonScore
Buenos Aires, Argentina
Photo: Moemoemoe · CC0

Argentina

Buenos Aires in September

🌷 Spring

Pleasant and some showers.

Best months: Aug (9.2), Sep (9.2), Apr (9.1)

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Why September scores 9.2What goes into the score

How it works
🌡️ 20° / 11°C🌧️ 81 mm💧 dew pt 10°🍃 PM2.5 10
  • Weather comfort9.1
    • ✓Comfortable temperatures (20°C highs / 11°C lows)
    • ✓Comfortable humidity (dew point 10.4°C)
    • ✓Mostly dry (~81 mm rain)
  • Air quality9.3
    • ✓Good (within WHO guideline) (PM2.5 ~10 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut September side by side with another month
SepAug
Score9.2 Excellent9.2 Excellent
Season🌷 Spring🧥 Winter
High / low20° / 11°18° / 9°
Rain81 mm70 mm
Humiditydew pt 10°dew pt 9°
PM2.510 µg/m³9 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Buenos Aires weather-station normals. Rainfall: Buenos Aires Central Observatory weather-station normals (national met service).

Holidays & crowdsSeptember 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Argentina this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Buenos AiresEvents, sights, food & souvenirs

Check event dates locally

Argentina's capital, a big European-style city known for tango, steak, late nights and distinctive neighbourhoods such as San Telmo, La Boca and Palermo.

Events in September

No major events on our calendar for September.

Coming up later

BAFICI (Buenos Aires International Independent Film Festival)Date variesUsually April

A large independent film festival.

Why go: Tickets are inexpensive and screenings sell out quickly.

Where: Cinemas across the city

May Revolution DayEvery year25 May every year

A national holiday marking the 1810 revolution; many people eat locro and empanadas.

Why go: Expect closures and events near Plaza de Mayo.

Where: Plaza de Mayo and nationwide

Independence DayEvery year9 July every year

A national holiday marking independence in 1816.

Why go: Expect closures of offices and some shops.

Where: Nationwide