17.09
thu
thu
Day

84°F
E 13 mph
Precip.
23%
23%
Night

82°F
NE 17 mph
Precip.
27%
27%
18.09
fri
fri
Day

82°F
SE 14 mph
Precip.
17%
17%
Night

81°F
SE 15 mph
Precip.
12%
12%
19.09
sat
sat
Day

82°F
SE 13 mph
Precip.
16%
16%
Night

81°F
SE 11 mph
Precip.
19%
19%
20.09
sun
sun
Day

82°F
SE 10 mph
Precip.
17%
17%
Night

81°F
SE 9 mph
Precip.
8%
8%
21.09
mon
mon
Day

84°F
SE 9 mph
Precip.
5%
5%
Night

82°F
S 6 mph
Precip.
37%
37%
22.09
tue
tue
Day

84°F
SE 9 mph
Precip.
18%
18%
Night

82°F
SE 14 mph
Precip.
19%
19%
23.09
wed
wed
Day

84°F
E 8 mph
Precip.
18%
18%
Night

82°F
SE 7 mph
Precip.
22%
22%
24.09
thu
thu
Day

82°F
SE 6 mph
Precip.
20%
20%
Night

82°F
S 9 mph
Precip.
22%
22%
25.09
fri
fri
Day

81°F
NE 4 mph
Precip.
14%
14%
Night

82°F
E 10 mph
Precip.
11%
11%
26.09
sat
sat
Day

82°F
SE 18 mph
Precip.
19%
19%
Night

81°F
SE 16 mph
Precip.
19%
19%
27.09
sun
sun
Day

82°F
SE 13 mph
Precip.
15%
15%
Night

81°F
E 8 mph
Precip.
8%
8%
28.09
mon
mon
Day

82°F
NE 14 mph
Precip.
12%
12%
Night

82°F
NE 11 mph
Precip.
8%
8%
29.09
tue
tue
Day

82°F
E 9 mph
Precip.
7%
7%
Night

82°F
E 10 mph
Precip.
23%
23%
30.09
wed
wed
Day

81°F
SE 9 mph
Precip.
21%
21%
Night

81°F
SE 12 mph
Precip.
21%
21%
sea water
temperature
temperature
| Saint Louis |
monthly
weather
weather
| Saint Louis |
current
weather
weather
| Saint Louis |
7 days
forecast
forecast
| Saint Louis |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.9°F. The highest and lowest sea temperatures during the month were 85.1°F and 82.8°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 79.9°F.
Air temperature in Saint Louis, °F
Precipitation total in Saint Louis, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Saint Louis
Saint Louis on a weather map
Places in Senegal:
Name
°F
24 Hours Forecast
Saint Louis
Local time: 18:12
September 17, thursday
2100

82°F
NE
16 mph
16 mph
September 18, friday
0000

82°F
NE
17 mph
17 mph
0300

81°F
E
16 mph
16 mph
0600

81°F
SE
14 mph
14 mph
0900

82°F
SE
11 mph
11 mph
1200

82°F
SE
14 mph
14 mph
1500

82°F
SE
16 mph
16 mph
1800

82°F
SE
15 mph
15 mph

























