Weather in Santiago in September
In an average September, Santiago sees a daily high around 19°C and a low around 6°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 14°C to 24°C |
| Average low | 6°C |
| Typical low range | 2°C to 10°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
31°C
2021-09-24
Lowest
8°C
2009-09-27
Low
Highest
13°C
1997-09-22
Lowest
-3°C
1987-09-11
Feels-like
Highest
27°C
2011-09-27
Lowest
-6°C
1987-09-11
Humidity
Highest
11.8 g/m³
1999-09-22
Lowest
4.1 g/m³
1987-09-11
Wind
Highest
19 km/h
1999-09-12
Lowest
5 km/h
1997-09-03
Gust
Highest
54 km/h
2002-09-16
Lowest
13 km/h
1999-09-02
Precip
Wettest
209 mm
1982
Driest
9 mm
2020
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