Measurements:
°C
°F
Sao Paulo
70°F
NW 8 mph
Feels like: 70°F
Precip: 10%
World Resorts Brazil Sao Paulo Weather

7 Day Weather Forecast

09.28
mon
DAY
84°F
SW 2 mph
precip
6%
NIGHT
64°F
W 4 mph
precip
26%
09.29
tue
DAY
92°F
SE 14 mph
precip
1%
NIGHT
66°F
S 9 mph
precip
42%
09.30
wed
DAY
94°F
SE 11 mph
precip
1%
NIGHT
64°F
E 1 mph
precip
62%
10.01
thu
DAY
74°F
W 5 mph
precip
15%
NIGHT
58°F
W 4 mph
precip
48%
10.02
fri
DAY
56°F
NW 7 mph
precip
75%
NIGHT
54°F
NW 7 mph
precip
82%
10.03
sat
DAY
56°F
N 4 mph
precip
91%
NIGHT
58°F
SW 6 mph
precip
42%
10.04
sun
DAY
78°F
SE 14 mph
precip
2%
NIGHT
62°F
SE 7 mph
precip
28%

Sao Paulo Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Sao Paulo was 21.0°F. The maximum and minimum values were 20.2°F and 21.7°F respectively.

Sao Paulo on the Weather Map

Best Time to Visit Sao Paulo
The most sunny months:
July 19 days
August 17 days
June 14 days
The most warm months:
February 86.6 °F
January 86.1 °F
December 86.1 °F
Warmest sea temperature:
February 85.3 °F
January 84.3 °F
March 83.8 °F
The most cold months:
June 75.3 °F
July 76.5 °F
May 77.0 °F
The most rainy months:
January 15 days
December 11 days
February 11 days
The most windy months:
November 7 mph
October 7 mph
September 7 mph