When to go · Buenos Aires
Buenos Aires in September
Good month. Spring; jacaranda and mild weather.
Key facts
- Verdict
- Good
- Temperature
- 18°C (64°F)64°F (18°C) / 10°C (50°F)50°F (10°C)
- average high / low
- Rain days
- 8
- Crowds
- Low
- Argentina overall
- Prices
- Medium
- Argentina overall
Verdict
Spring; jacaranda and mild weather.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than September?
September is rated good. These months rate higher:
Weather in September
- Buenos AiresHighs around 18 °C (64 °F), lows around 10 °C (50 °F), rain on about 8 daysHighs around 64 °F (18 °C), lows around 50 °F (10 °C), rain on about 8 days
- Buenos Aires and the Pampas, Argentina · Buenos Aires, La Plata, Mar del Platafine
Humid 30 °C (86 °F)+ summers; mild spring and autumn are the city season; winters are grey and around 10 °C (50 °F) but rarely freezing.Humid 86 °F (30 °C)+ summers; mild spring and autumn are the city season; winters are grey and around 50 °F (10 °C) but rarely freezing.
Spring season
Mild days, jacaranda trees in purple bloom across Recoleta and Palermo; the best walking season.
Watch: Some rain; book ahead around any spring public holiday.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Jacaranda bloom
Spring, peaking around October-November (weather dependent) · Recoleta, Palermo and tree-lined streets citywide
Purple-flowering trees line many streets; a favourite season for photography and walking.
Crowds and prices
- Crowds · Argentina overall
- Low
- Prices · Argentina overall
- Medium
Argentina overall: Spring: whales at Valdés, Iguazú and the Northwest at their best, jacaranda starting in Buenos Aires.
Compare two months
Weather, crowds and prices for any two months in Buenos Aires, side by side.
Verdict
Sep: Good
Mar: Great (better)
Daytime high
Sep: 18 °C (64 °F)64 °F (18 °C)
Mar: 26 °C (79 °F)79 °F (26 °C)
Night low
Sep: 10 °C (50 °F)50 °F (10 °C)
Mar: 17 °C (63 °F)63 °F (17 °C)
Rain days
Sep: 8 (better)
Mar: 9
Crowds
Sep: Low
Mar: Medium
Prices
Sep: Medium
Mar: Medium
Festivals listed
Sep: 1
Mar: 4
September: Spring; jacaranda and mild weather.
March: Warm; a good month.
Buenos Aires: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings