Weather in Buenos Aires in September
In an average September, Buenos Aires sees a daily high around 17°C and a low around 11°C, based on 1980–2026 of local climate records.
| Average high | 17°C |
|---|---|
| Typical high range | 13°C to 21°C |
| Average low | 11°C |
| Typical low range | 7°C to 15°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
28°C
2013-09-10
Lowest
9°C
1981-09-14
Low
Highest
21°C
2013-09-10
Lowest
3°C
1983-09-08
Feels-like
Highest
30°C
2013-09-10
Lowest
-2°C
1983-09-08
Humidity
Highest
17.0 g/m³
1994-09-19
Lowest
4.1 g/m³
2015-09-11
Wind
Highest
57 km/h
1998-09-27
Lowest
10 km/h
1995-09-23
Gust
Highest
90 km/h
1998-09-27
Lowest
15 km/h
2017-09-23
Precip
Wettest
224 mm
1982
Driest
18 mm
2022
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