World Resorts Brazil Sao Luis Weather

Sao Luis weather in September

Weather in Sao Luis: September

Average day temperature: 89.2°F
Average night temperature: 76.8°F
Sea water temperature: 82.6°F
Number of sunny days: 12 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:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 84°F. At the same time the lowest night temperature was 77°F. Day and night temperature averages during September were 82.5°F and 78.9°F.

Sea water temperature in Sao Luis in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
77
79
81
83
85
87
89

The average sea water temperature in September of 2024 was 82.4°F. The highest and lowest sea temperatures during the month were 83.8°F and 81.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
40%
53%
7%

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

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
3.9
5.9
7.9
9.8
11.8
13.8
1.8
1.5
1.7
4.7
7.8
11.5
5.9
4.7
1.8
1.5
1.7
4.7
7.8
11.5
5.9
4.7

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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.4
8.0
9.6
11.2
7.9
8.0
9.3
7.2
5.6
4.9
4.5
4.2
4.4
6.0
6.5
7.9
8.0
9.3
9.1
7.2
5.6
4.9
4.5
4.2
4.4
6.0
6.5

The average wind speed value in September is 9.1 mph It makes September one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.6
3.9
5.2
6.6
7.9
9.2
4.9
6.3
7.1
7.4
5.5
4.3
3.7
3.8
3.4
3.5
3.8
4.9
6.3
7.1
7.7
7.4
5.5
4.3
3.7
3.8
3.4
3.5
3.8

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: 7.7.

Best time for vacation in Sao Luis

Sunniest months:
September 12 days
August 11 days
October 7 days
Warmest months:
September 89.2 °F
October 88.7 °F
August 88.3 °F
Warmest sea temp:
May 84.8 °F
June 84.7 °F
July 84.3 °F
Coldest months:
March 82.1 °F
February 82.6 °F
January 82.9 °F
Rainiest months:
March 22 days
April 18 days
January 13 days
Windiest months:
October 9.3 mph
September 9.1 mph
November 8.0 mph

Sao Luis on a weather map

Leaflet | Tiles © Esri
Places in Brazil:
Name
°F
+73°F
+77°F
+81°F
+75°F
+79°F
+79°F
+81°F
+77°F
+75°F
+79°F
+66°F
+75°F
+79°F
24 Hours Forecast
Sao Luis
Local time: 20:42
March 01, saturday
2100
79°F
S
9 mph
March 02, sunday
0000
77°F
S
6 mph
0300
77°F
NE
1 mph
0600
77°F
E
1 mph
0900
79°F
S
9 mph
1200
81°F
S
11 mph
1500
79°F
SW
11 mph
1800
79°F
SW
10 mph
Units of measurement: °C / °F