São Sebastião

São Sebastião, São Paulo, Brazil

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Current Weather

15°

Drizzle

Feels Like: 14°

Min: 14°

Max: 16°

The next few hours will be overcast, with today reaching 16°C and dropping to 14°C. The coming days will be light rain throughout the day.

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

15° 15° 15° 15° 15° 14° 14° 14° 14° 14° 15° 15° 15° 15° 15° 15° 16° 16° 17° 18° 19° 21° 21° 21°
92%
76%
76%
76%
72%
72%
72%
70%
70%
70%
78%
78%
78%
98%
98%
98%
74%
74%
74%
68%
68%
68%
22%
22%
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
Today
Tomorrow

Daylight Hours

06:08

Sunrise

17:49

Sunset

11 hours 40 minutes of sunlight today

Moon

Waning Crescent

03:28

Moonrise

14:24

Moonset

Daily Forecast

Today

14°
16°

Tuesday

14°
21°

Wednesday

15°
21°

Thursday

18°
28°

Friday

20°
29°

Saturday

19°
26°

Sunday

17°
19°

Monday

17°
19°

Tuesday

16°
19°

Wednesday

14°
19°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

93% Very Humid
Low High

Weather in São Sebastião today, September 07, 2026

Rain features in São Sebastião on September 07, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise.

The day peaks near 16°C and cools toward 14°C. The air stays humid, with relative humidity between 93% and 99% and the peak around 18:00. Winds stay light, near 1.5 km/h by 21:00, so the day feels still more than breezy.

The second half of the day still looks unsettled, with rain probability around 92% by 15:00. Dense cloud near 95% at 15:00 keeps the feel grey. Visibility holds near 8.0 km, though it can fall to 1.8 km. Daylight runs from 06:08 to 17:49, lasting 11 hours 40 minutes of sunlight today.

Overall, São Sebastião on September 07, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 92% and the high sits around 16°C.

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Metric (°C, km/h)