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Hourly Forecast
Daylight Hours
05:34
Sunrise
17:34
Sunset
Moon
Waxing Gibbous
12:18
Moonrise
01:20
Moonset
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View stargazing scoreWeather in Viana today, September 20, 2026
Viana looks cloudy on September 20, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.
Expect highs of 25°C and cooler readings close to 18°C. Moisture in the air spans 69%-86%, with the highest values around 21:00. Expect gentle winds, highest near 16:00 at 4.4 km/h.
Through the afternoon skies look more workable, with cloud near 35% around 16:00. Later outdoor plans have a clearer window than the morning may have suggested. Views remain open at about 16.1 km. Daylight runs from 05:34 to 17:34, lasting 11 hours 59 minutes of sunlight today.
Taken together, overcast skies in Viana on September 20, 2026 favour indoor or covered options, with temperatures near 25°C.
Frequently asked questions about weather in Viana
How warm does it get in Viana?
The warmest month in Viana is February, with average high temperatures of 30°C. The average temperature during this period is around 26°C.
How cold does it get in Viana?
The coldest month in Viana is July, with average low temperatures of 17°C. The average temperature during this period is around 21°C.
What is the wettest time of year in Viana?
The wettest month in Viana is December, with an average of 191mm of precipitation.
What is the driest time of year in Viana?
The driest month in Viana is June, with an average of 34mm of precipitation.
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