World Resorts Brazil Sao Luis Weather

Sao Luis weather in September

Weather in Sao Luis: September

Average day temperature: 90.9°F
Average night temperature: 76.3°F
Sea water temperature: 82.6°F
Number of sunny days: 11 days
Day length: 12.1 - 12.1 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 96°F. At the same time the lowest night temperature was 74°F. Day and night temperature averages during September were 93.9°F and 77.1°F.

Sea water temperature in Sao Luis in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 83.0°F. The highest and lowest sea temperatures during the month were 83.7°F and 82.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Sao Luis in September is 0.1 in. It makes september the most dry month of the year.

Wind speed in September, mph

The average wind speed value in September is 7.3 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.5.

Best time for vacation in Sao Luis

Sunniest months:
September 11 days
August 9 days
October 7 days
Warmest months:
September 90.9 °F
October 90.2 °F
August 89.4 °F
Warmest sea temp:
May 84.6 °F
June 84.5 °F
July 84.2 °F
Coldest months:
March 82.1 °F
February 82.8 °F
January 83.2 °F
Rainiest months:
March 22 days
April 17 days
January 13 days
Windiest months:
October 7.5 mph
September 7.3 mph
December 6.3 mph

Sao Luis on a weather map

Sao Luis
+77°F
W 7 mph
Feels like: +82°F
Precip.: 100%
Places in Brazil:
Name
°F
+70°F
+73°F
+79°F
+64°F
+79°F
+82°F
+73°F
+73°F
+64°F
+72°F
+75°F
24 Hours Forecast
Sao Luis
Local time: 00:34
April 28, sunday
0300
77°F
SW
1 mph
0600
79°F
SW
7 mph
0900
79°F
W
8 mph
1200
79°F
W
6 mph
1500
81°F
SW
8 mph
1800
79°F
S
8 mph
2100
79°F
S
7 mph
April 29, monday
0000
79°F
S
6 mph
Units of measurement: °C / °F