Weather in Viana in September
In an average September, Viana sees a daily high around 29°C and a low around 20°C, based on 1980–2026 of local climate records.
| Average high | 29°C |
|---|---|
| Typical high range | 27°C to 31°C |
| Average low | 20°C |
| Typical low range | 19°C to 21°C |
| Average daily precipitation | 0 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
34°C
1984-09-27
Lowest
24°C
2025-09-03
Low
Highest
23°C
1984-09-27
Lowest
15°C
1981-09-01
Feels-like
Highest
45°C
1984-09-27
Lowest
24°C
2025-09-03
Humidity
Highest
19.5 g/m³
2003-09-29
Lowest
13.4 g/m³
1981-09-01
Wind
Highest
22 km/h
1991-09-30
Lowest
8 km/h
2023-09-18
Gust
Highest
50 km/h
1994-09-25
Lowest
23 km/h
2019-09-28
Precip
Wettest
18 mm
1998
Driest
2 mm
1985
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