27.09
sun
sun
Day

73°F
N 4 mph
Precip.
1%
1%
Night

66°F
W 2 mph
Precip.
7%
7%
28.09
mon
mon
Day

75°F
NE 6 mph
Precip.
2%
2%
Night

68°F
SW 2 mph
Precip.
9%
9%
29.09
tue
tue
Day

75°F
E 6 mph
Precip.
2%
2%
Night

68°F
SW 2 mph
Precip.
11%
11%
30.09
wed
wed
Day

75°F
E 6 mph
Precip.
10%
10%
Night

70°F
S 3 mph
Precip.
25%
25%
01.10
thu
thu
Day

73°F
E 6 mph
Precip.
13%
13%
Night

70°F
S 4 mph
Precip.
5%
5%
02.10
fri
fri
Day

77°F
W 4 mph
Precip.
2%
2%
Night

66°F
W 4 mph
Precip.
11%
11%
03.10
sat
sat
Day

72°F
N 5 mph
Precip.
4%
4%
Night

68°F
SW 3 mph
Precip.
38%
38%
sea water
temperature
temperature
| Porto Santo Stefano |
monthly
weather
weather
| Porto Santo Stefano |
current
weather
weather
| Porto Santo Stefano |
14 days
forecast
forecast
| Porto Santo Stefano |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.7°F. The highest and lowest sea temperatures during the month were 82.6°F and 76.3°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 73.9°F and 66.9°F.
Air temperature in Porto Santo Stefano, °F
Precipitation total in Porto Santo Stefano, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Porto Santo Stefano
Porto Santo Stefano on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Porto Santo Stefano
Local time: 00:36
September 27, sunday
0300

64°F
SW
4 mph
4 mph
0600

63°F
SW
4 mph
4 mph
0900

64°F
W
3 mph
3 mph
1200

73°F
N
4 mph
4 mph
1500

75°F
NE
6 mph
6 mph
1800

72°F
NE
5 mph
5 mph
2100

68°F
SW
2 mph
2 mph
September 28, monday
0000

66°F
W
2 mph
2 mph



























