Measurements:
°C
°F
Sao Luis
84°F
SW 15 mph
Feels like: 90°F
Precip: 11%
World Resorts Brazil Sao Luis Weather

14 Day Weather Forecast

09.28
mon
DAY
88°F
SW 19 mph
precip
5%
NIGHT
82°F
SW 14 mph
precip
12%
09.29
tue
DAY
88°F
SW 20 mph
precip
5%
NIGHT
82°F
SW 19 mph
precip
10%
09.30
wed
DAY
86°F
SW 19 mph
precip
19%
NIGHT
82°F
SW 19 mph
precip
21%
10.01
thu
DAY
88°F
SW 23 mph
precip
5%
NIGHT
82°F
SW 19 mph
precip
8%
10.02
fri
DAY
88°F
SW 21 mph
precip
5%
NIGHT
82°F
SW 18 mph
precip
15%
10.03
sat
DAY
88°F
SW 21 mph
precip
13%
NIGHT
84°F
SW 21 mph
precip
21%
10.04
sun
DAY
88°F
SW 22 mph
precip
5%
NIGHT
82°F
SW 21 mph
precip
10%
10.05
mon
DAY
88°F
SW 23 mph
precip
5%
NIGHT
82°F
SW 19 mph
precip
22%
10.06
tue
DAY
88°F
SW 22 mph
precip
4%
NIGHT
82°F
SW 17 mph
precip
9%
10.07
wed
DAY
88°F
SW 21 mph
precip
14%
NIGHT
82°F
SW 17 mph
precip
19%
10.08
thu
DAY
88°F
SW 17 mph
precip
18%
NIGHT
82°F
SW 17 mph
precip
20%
10.09
fri
DAY
88°F
SW 21 mph
precip
11%
NIGHT
82°F
SW 17 mph
precip
8%
10.10
sat
DAY
88°F
SW 23 mph
precip
10%
NIGHT
82°F
SW 20 mph
precip
11%
10.11
sun
DAY
88°F
SW 24 mph
precip
8%
NIGHT
82°F
SW 19 mph
precip
15%

Sao Luis Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Sao Luis was 86.6°F. The maximum and minimum values were 85.8°F and 87.8°F respectively.

Sao Luis on the Weather Map

Best Time to Visit Sao Luis
The most sunny months:
September 10 days
August 9 days
October 6 days
The most warm months:
October 91.9 °F
September 91.7 °F
August 90.9 °F
Warmest sea temperature:
May 88.6 °F
June 88.5 °F
July 88.0 °F
The most cold months:
March 85.6 °F
February 86.1 °F
January 86.6 °F
The most rainy months:
March 19 days
April 16 days
February 12 days
The most windy months:
September 11 mph
October 10 mph
November 9 mph
24 Hours Weather Forecast
Sao Luis
Local time: 19:36
28 sep, monday
2100 84°F
SW
15 mph
29 sep, tuesday
0000 82°F
SW
14 mph
0300 82°F
SW
17 mph
0600 82°F
SW
15 mph
0900 86°F
W
17 mph
1200 88°F
SW
20 mph
1500 86°F
SW
21 mph
1800 84°F
SW
17 mph