17.09
thu
thu
Day

77°F
NE 6 mph
Precip.
13%
13%
Night

77°F
NE 6 mph
Precip.
8%
8%
18.09
fri
fri
Day

77°F
N 7 mph
Precip.
10%
10%
Night

77°F
N 2 mph
Precip.
16%
16%
19.09
sat
sat
Day

77°F
N 4 mph
Precip.
8%
8%
Night

77°F
S 4 mph
Precip.
18%
18%
20.09
sun
sun
Day

77°F
NW 7 mph
Precip.
10%
10%
Night

77°F
SE 5 mph
Precip.
5%
5%
21.09
mon
mon
Day

75°F
E 7 mph
Precip.
8%
8%
Night

77°F
SE 11 mph
Precip.
7%
7%
22.09
tue
tue
Day

77°F
NW 3 mph
Precip.
4%
4%
Night

73°F
SW 22 mph
Precip.
2%
2%
23.09
wed
wed
Day

75°F
SW 14 mph
Precip.
1%
1%
Night

73°F
SW 16 mph
Precip.
1%
1%
24.09
thu
thu
Day

75°F
W 12 mph
Precip.
1%
1%
Night

75°F
NE 9 mph
Precip.
3%
3%
25.09
fri
fri
Day

73°F
N 6 mph
Precip.
4%
4%
Night

75°F
SE 6 mph
Precip.
4%
4%
26.09
sat
sat
Day

72°F
E 3 mph
Precip.
14%
14%
Night

66°F
SW 25 mph
Precip.
5%
5%
27.09
sun
sun
Day

64°F
SW 23 mph
Precip.
5%
5%
Night

64°F
SW 21 mph
Precip.
7%
7%
28.09
mon
mon
Day

66°F
W 9 mph
Precip.
10%
10%
Night

66°F
SW 17 mph
Precip.
10%
10%
29.09
tue
tue
Day

68°F
W 14 mph
Precip.
12%
12%
Night

63°F
SW 19 mph
Precip.
54%
54%
30.09
wed
wed
Day

63°F
SW 24 mph
Precip.
91%
91%
Night

72°F
N 15 mph
Precip.
71%
71%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.6°F. The highest and lowest sea temperatures during the month were 85.1°F and 80.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 71.0°F. The highest and lowest sea temperatures during the month were 75.6°F and 68.4°F.
Air temperature in Forio, °F
Precipitation total in Forio, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Forio
Forio on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Forio
Local time: 15:11
September 17, thursday
1800

79°F
NE
7 mph
7 mph
2100

79°F
NE
4 mph
4 mph
September 18, friday
0000

77°F
NE
6 mph
6 mph
0300

77°F
NE
4 mph
4 mph
0600

77°F
E
2 mph
2 mph
0900

77°F
NW
2 mph
2 mph
1200

77°F
N
7 mph
7 mph
1500

77°F
NE
5 mph
5 mph



























