15.09
tue
tue
Day
75°F
SW 11 mph
Precip.
11%
11%
Night
75°F
SW 15 mph
Precip.
11%
11%
16.09
wed
wed
Day
73°F
SW 19 mph
Precip.
25%
25%
Night
72°F
S 19 mph
Precip.
20%
20%
17.09
thu
thu
Day
72°F
S 19 mph
Precip.
25%
25%
Night
72°F
S 21 mph
Precip.
24%
24%
18.09
fri
fri
Day
72°F
S 19 mph
Precip.
28%
28%
Night
73°F
SW 21 mph
Precip.
15%
15%
19.09
sat
sat
Day
72°F
SW 16 mph
Precip.
17%
17%
Night
73°F
SW 12 mph
Precip.
19%
19%
20.09
sun
sun
Day
75°F
SW 8 mph
Precip.
20%
20%
Night
75°F
E 6 mph
Precip.
19%
19%
21.09
mon
mon
Day
75°F
NE 7 mph
Precip.
11%
11%
Night
75°F
N 15 mph
Precip.
21%
21%
sea water
temperature
temperature
| Porto Santo Island |
monthly
weather
weather
| Porto Santo Island |
current
weather
weather
| Porto Santo Island |
14 days
forecast
forecast
| Porto Santo Island |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.1°F. The highest and lowest sea temperatures during the month were 75.0°F and 73.2°F.
Air temperature in Porto Santo Island, °F
Precipitation total in Porto Santo Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Porto Santo Island
Porto Santo Island on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto Santo Island
Local time: 00:35
September 15, tuesday
0300
75°F
W
7 mph
7 mph
0600
75°F
SW
9 mph
9 mph
0900
75°F
SW
12 mph
12 mph
1200
75°F
SW
11 mph
11 mph
1500
75°F
SW
10 mph
10 mph
1800
75°F
SW
14 mph
14 mph
2100
75°F
SW
14 mph
14 mph
September 16, wednesday
0000
75°F
SW
15 mph
15 mph
