23.09
wed
wed
Day
79°F
W 10 mph
Precip.
3%
3%
Night
66°F
NE 5 mph
Precip.
9%
9%
24.09
thu
thu
Day
82°F
SW 7 mph
Precip.
2%
2%
Night
64°F
E 6 mph
Precip.
22%
22%
25.09
fri
fri
Day
79°F
S 11 mph
Precip.
12%
12%
Night
66°F
E 1 mph
Precip.
19%
19%
26.09
sat
sat
Day
77°F
SW 9 mph
Precip.
3%
3%
Night
64°F
NE 3 mph
Precip.
14%
14%
27.09
sun
sun
Day
77°F
W 9 mph
Precip.
5%
5%
Night
68°F
N 3 mph
Precip.
38%
38%
28.09
mon
mon
Day
79°F
NW 9 mph
Precip.
13%
13%
Night
68°F
N 6 mph
Precip.
35%
35%
29.09
tue
tue
Day
81°F
NW 13 mph
Precip.
10%
10%
Night
68°F
NE 4 mph
Precip.
20%
20%
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 81.3°F and 77.9°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 70.7°F. The highest and lowest sea temperatures during the month were 73.8°F and 68.0°F.
Air temperature in Olbia, °F
Precipitation total in Olbia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Olbia
Olbia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Olbia
Local time: 04:09
September 23, wednesday
0600
66°F
E
3 mph
3 mph
0900
73°F
NE
2 mph
2 mph
1200
79°F
W
10 mph
10 mph
1500
81°F
W
12 mph
12 mph
1800
79°F
NW
10 mph
10 mph
2100
70°F
N
4 mph
4 mph
September 24, thursday
0000
66°F
NE
5 mph
5 mph
0300
66°F
E
5 mph
5 mph
