Weather in Osasco, São Paulo, Brazil in September
In an average September, Osasco sees a daily high around 26°C and a low around 13°C, based on 1981–2026 of local climate records.
| Average high | 26°C |
|---|---|
| Typical high range | 20°C to 33°C |
| Average low | 13°C |
| Typical low range | 10°C to 17°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
37°C
2020-09-30
Lowest
12°C
1990-09-14
Low
Highest
21°C
2025-09-21
Lowest
2°C
2002-09-03
Feels-like
Highest
56°C
2020-09-30
Lowest
-1°C
2002-09-03
Humidity
Highest
17.5 g/m³
2018-09-27
Lowest
6.6 g/m³
2002-09-02
Wind
Highest
52 km/h
2025-09-22
Lowest
9 km/h
2018-09-30
Precip
Wettest
1098 mm
1999
Driest
14 mm
2011
See Osasco's live weather grade →
Visiting Osasco in September? See how its comfort stacks up against where you live.
Compare Osasco with your city →