27.09
sun
sun
Day
72°F
N 2 mph
Precip.
1%
1%
Night
66°F
SW 3 mph
Precip.
4%
4%
28.09
mon
mon
Day
72°F
N 5 mph
Precip.
3%
3%
Night
68°F
SW 3 mph
Precip.
9%
9%
29.09
tue
tue
Day
73°F
NE 5 mph
Precip.
4%
4%
Night
68°F
SW 4 mph
Precip.
10%
10%
30.09
wed
wed
Day
73°F
NE 6 mph
Precip.
4%
4%
Night
68°F
SW 4 mph
Precip.
8%
8%
01.10
thu
thu
Day
73°F
NW 5 mph
Precip.
1%
1%
Night
68°F
SW 5 mph
Precip.
13%
13%
02.10
fri
fri
Day
72°F
W 5 mph
Precip.
10%
10%
Night
66°F
SW 5 mph
Precip.
7%
7%
03.10
sat
sat
Day
73°F
NW 5 mph
Precip.
5%
5%
Night
68°F
SW 4 mph
Precip.
9%
9%
sea water
temperature
temperature
| Grosseto |
monthly
weather
weather
| Grosseto |
current
weather
weather
| Grosseto |
14 days
forecast
forecast
| Grosseto |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.3°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 68.5°F. The highest and lowest sea temperatures during the month were 73.0°F and 66.7°F.
Air temperature in Grosseto, °F
Precipitation total in Grosseto, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Grosseto
Grosseto on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Grosseto
Local time: 00:32
September 27, sunday
0300
63°F
SW
8 mph
8 mph
0600
61°F
SW
7 mph
7 mph
0900
64°F
SW
6 mph
6 mph
1200
72°F
N
2 mph
2 mph
1500
73°F
NE
7 mph
7 mph
1800
73°F
NE
6 mph
6 mph
2100
70°F
SW
1 mph
1 mph
September 28, monday
0000
66°F
SW
3 mph
3 mph
