Average temperatures, rainfall and packing tips for Buenos Aires, Argentina in September
🌡️ Avg high
20°C
🌙 Avg low
11°C
🌧️ Rainfall
~20 mm
📊 Warmth rank
#8 of 12
September in Buenos Aires at a glance
September in Buenos Aires is typically mild, with average daytime highs around 20°C and nights near 11°C. Temperature-wise it sits mid-range for Buenos Aires (the 8th warmest month).
Rainfall is light in September: roughly 20 mm across the whole month.
What to pack for Buenos Aires in September
Medium layers: long sleeves and a sweater
A light-to-medium jacket
Buenos Aires - year at a glance
HighLow · September highlighted
Is September a good time to visit Buenos Aires?
🧳 September is one of the most comfortable months to visit Buenos Aires - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In September, Buenos Aires averages a daytime high of about 20°C and a night-time low of around 11°C, based on recent historical data.
Does it rain in Buenos Aires in September?
Rainfall is light in September: roughly 20 mm across the whole month.
Is September a good time to visit Buenos Aires?
September is one of the most comfortable months to visit Buenos Aires - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.