Measurements:
°C
°F
Sao Paulo
56°F
W 4 mph
Feels like: 56°F
Precip: 32%
World Resorts Brazil Sao Paulo Weather

7 Day Weather Forecast

09.08
tue
DAY
56°F
W 2 mph
precip
28%
NIGHT
62°F
SW 2 mph
precip
31%
09.09
wed
DAY
62°F
N 2 mph
precip
66%
NIGHT
70°F
S 4 mph
precip
39%
09.10
thu
DAY
66°F
S 7 mph
precip
41%
NIGHT
62°F
SW 4 mph
precip
38%
09.11
fri
DAY
80°F
SE 10 mph
precip
8%
NIGHT
88°F
S 14 mph
precip
5%
09.12
sat
DAY
66°F
E 9 mph
precip
37%
NIGHT
50°F
W 7 mph
precip
40%
09.13
sun
DAY
52°F
NW 9 mph
precip
76%
NIGHT
52°F
NW 9 mph
precip
39%
09.14
mon
DAY
60°F
W 11 mph
precip
24%
NIGHT
56°F
S 5 mph
precip
96%

Sao Paulo Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sao Paulo was 21.1°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
September 15 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