27.09
sun
sun
Day
73°F
N 2 mph
Precip.
1%
1%
Night
72°F
SW 2 mph
Precip.
3%
3%
28.09
mon
mon
Day
72°F
NE 4 mph
Precip.
2%
2%
Night
72°F
W 4 mph
Precip.
6%
6%
29.09
tue
tue
Day
72°F
NE 4 mph
Precip.
4%
4%
Night
72°F
NW 5 mph
Precip.
7%
7%
30.09
wed
wed
Day
72°F
NE 2 mph
Precip.
6%
6%
Night
72°F
SW 6 mph
Precip.
6%
6%
01.10
thu
thu
Day
75°F
SW 10 mph
Precip.
2%
2%
Night
72°F
W 7 mph
Precip.
12%
12%
02.10
fri
fri
Day
73°F
SW 9 mph
Precip.
10%
10%
Night
68°F
SW 7 mph
Precip.
2%
2%
03.10
sat
sat
Day
73°F
N 6 mph
Precip.
10%
10%
Night
72°F
NW 6 mph
Precip.
11%
11%
sea water
temperature
temperature
| Castiglioncello |
monthly
weather
weather
| Castiglioncello |
current
weather
weather
| Castiglioncello |
14 days
forecast
forecast
| Castiglioncello |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 81.7°F and 76.5°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 72.5°F and 66.6°F.
Air temperature in Castiglioncello, °F
Precipitation total in Castiglioncello, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Castiglioncello
Castiglioncello on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Castiglioncello
Local time: 00:33
September 27, sunday
0300
68°F
SW
8 mph
8 mph
0600
66°F
SW
9 mph
9 mph
0900
68°F
W
7 mph
7 mph
1200
73°F
N
2 mph
2 mph
1500
73°F
NE
7 mph
7 mph
1800
73°F
E
5 mph
5 mph
2100
73°F
SE
1 mph
1 mph
September 28, monday
0000
72°F
SW
2 mph
2 mph
