Rio do Sul

Rio do Sul, Santa Catarina, Brazil

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Current Weather

21°

Drizzle

Feels Like: 24°

Min: 17°

Max: 27°

The next few hours will be foggy, with today reaching 27°C and dropping to 17°C. The coming days will be light rain

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Hourly Forecast

22° 21° 20° 19° 19° 18° 18° 18° 18° 17° 17° 17° 17° 17° 18° 18° 19° 21° 23° 24° 26° 27° 28° 27°
96%
96%
42%
42%
42%
24%
24%
24%
70%
70%
70%
64%
64%
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
Today
Tomorrow

Daylight Hours

06:11

Sunrise

18:10

Sunset

11 hours 59 minutes of sunlight today

Moon

Waxing Gibbous

12:39

Moonrise

02:15

Moonset

Daily Forecast

Today

17°
27°

Monday

17°
28°

Tuesday

14°
25°

Wednesday

12°
16°

Thursday

11°
22°

Friday

14°
26°

Saturday

16°
30°

Sunday

16°
25°

Monday

17°
25°

Tuesday

19°
21°

Air Quality Data Available

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UV Index

No protection needed
1 Low
Low Extreme

Humidity

94% Very Humid
Low High

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Weather in Rio do Sul today, September 20, 2026

Rio do Sul may turn murky on September 20, 2026, with fog or mist reducing clarity at times. Early travel in particular may need extra care.

The day peaks near 27°C and cools toward 17°C. Expect humidity between 90% and 97%, most humid near 23:00. Airflow remains manageable, reaching about 2.9 km/h around 18:00.

Through the afternoon wet weather remains a factor, with rain chances near 96% around 17:00. Cloud also stays substantial, close to 45% near 23:00. Visibility stays near 16.1 km. Daylight runs from 06:11 to 18:10, lasting 11 hours 59 minutes of sunlight today.

In short, fog or mist is the watchpoint in Rio do Sul on September 20, 2026; leave extra time for travel around a high of 27°C.

Frequently asked questions about weather in Rio do Sul

How warm does it get in Rio do Sul?

The warmest month in Rio do Sul is February, with average high temperatures of 28°C. The average temperature during this period is around 23°C.

How cold does it get in Rio do Sul?

The coldest month in Rio do Sul is July, with average low temperatures of 9°C. The average temperature during this period is around 13°C.

What is the wettest time of year in Rio do Sul?

The wettest month in Rio do Sul is December, with an average of 172mm of precipitation.

What is the driest time of year in Rio do Sul?

The driest month in Rio do Sul is July, with an average of 73mm of precipitation.

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Metric (°C, km/h)