13.09
sun
sun
Day
75°F
SW 8 mph
Precip.
9%
9%
Night
75°F
S 2 mph
Precip.
25%
25%
14.09
mon
mon
Day
73°F
S 8 mph
Precip.
19%
19%
Night
73°F
S 9 mph
Precip.
6%
6%
15.09
tue
tue
Day
73°F
S 15 mph
Precip.
6%
6%
Night
73°F
SW 8 mph
Precip.
13%
13%
16.09
wed
wed
Day
72°F
S 11 mph
Precip.
16%
16%
Night
73°F
SE 11 mph
Precip.
5%
5%
17.09
thu
thu
Day
72°F
S 7 mph
Precip.
5%
5%
Night
73°F
SE 16 mph
Precip.
5%
5%
18.09
fri
fri
Day
73°F
SE 14 mph
Precip.
6%
6%
Night
73°F
E 12 mph
Precip.
6%
6%
19.09
sat
sat
Day
75°F
SE 4 mph
Precip.
5%
5%
Night
75°F
E 9 mph
Precip.
7%
7%
sea water
temperature
temperature
| Santorini |
monthly
weather
weather
| Santorini |
current
weather
weather
| Santorini |
14 days
forecast
forecast
| Santorini |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 75.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.9°F.
Air temperature in Santorini, °F
Precipitation total in Santorini, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Santorini
Santorini on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Santorini
Local time: 21:25
September 14, monday
0000
75°F
S
2 mph
2 mph
0300
75°F
S
4 mph
4 mph
0600
73°F
S
8 mph
8 mph
0900
73°F
S
8 mph
8 mph
1200
73°F
S
8 mph
8 mph
1500
75°F
S
9 mph
9 mph
1800
75°F
S
7 mph
7 mph
2100
75°F
S
9 mph
9 mph
