Measurements:
°C
°F
Sao Sebastiao
70°F
SW 7 mph
Feels like: 70°F
Precip: 39%
World Resorts Brazil Sao Sebastiao Weather

7 Day Weather Forecast

09.28
mon
DAY
82°F
N 5 mph
precip
13%
NIGHT
70°F
SW 4 mph
precip
39%
09.29
tue
DAY
90°F
NW 4 mph
precip
12%
NIGHT
72°F
SW 4 mph
precip
52%
09.30
wed
DAY
82°F
NE 9 mph
precip
17%
NIGHT
70°F
E 4 mph
precip
52%
10.01
thu
DAY
82°F
N 6 mph
precip
13%
NIGHT
66°F
NE 1 mph
precip
73%
10.02
fri
DAY
66°F
N 4 mph
precip
81%
NIGHT
64°F
W 2 mph
precip
78%
10.03
sat
DAY
66°F
NE 2 mph
precip
90%
NIGHT
66°F
S 3 mph
precip
39%
10.04
sun
DAY
86°F
N 1 mph
precip
3%
NIGHT
68°F
S 6 mph
precip
38%

Sao Sebastiao Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Sao Sebastiao was 21.5°F. The maximum and minimum values were 20.4°F and 22.3°F respectively.

Sao Sebastiao on the Weather Map

Best Time to Visit Sao Sebastiao
The most sunny months:
July 17 days
June 14 days
May 14 days
The most warm months:
February 84.4 °F
January 83.8 °F
March 83.6 °F
Warmest sea temperature:
February 85.1 °F
March 83.9 °F
January 83.5 °F
The most cold months:
July 74.2 °F
August 74.6 °F
June 75.5 °F
The most rainy months:
December 6 days
February 5 days
January 5 days
The most windy months:
October 6 mph
September 6 mph
August 6 mph