22.09
tue
tue
Day

73°F
S 16 mph
Precip.
5%
5%
Night

70°F
S 12 mph
Precip.
6%
6%
23.09
wed
wed
Day

70°F
S 14 mph
Precip.
13%
13%
Night

68°F
S 16 mph
Precip.
3%
3%
24.09
thu
thu
Day

70°F
S 19 mph
Precip.
2%
2%
Night

70°F
S 15 mph
Precip.
2%
2%
25.09
fri
fri
Day

70°F
SE 14 mph
Precip.
13%
13%
Night

72°F
SE 13 mph
Precip.
3%
3%
26.09
sat
sat
Day

72°F
S 12 mph
Precip.
6%
6%
Night

72°F
S 17 mph
Precip.
17%
17%
27.09
sun
sun
Day

68°F
S 27 mph
Precip.
5%
5%
Night

72°F
S 25 mph
Precip.
4%
4%
28.09
mon
mon
Day

72°F
S 27 mph
Precip.
4%
4%
Night

72°F
S 17 mph
Precip.
3%
3%
29.09
tue
tue
Day

72°F
SE 17 mph
Precip.
3%
3%
Night

72°F
SE 12 mph
Precip.
3%
3%
30.09
wed
wed
Day

72°F
SE 13 mph
Precip.
4%
4%
Night

72°F
SE 8 mph
Precip.
4%
4%
01.10
thu
thu
Day

73°F
SE 7 mph
Precip.
14%
14%
Night

73°F
SE 9 mph
Precip.
15%
15%
02.10
fri
fri
Day

73°F
S 14 mph
Precip.
18%
18%
Night

72°F
SE 13 mph
Precip.
7%
7%
03.10
sat
sat
Day

73°F
SE 14 mph
Precip.
6%
6%
Night

73°F
SE 15 mph
Precip.
5%
5%
04.10
sun
sun
Day

73°F
SE 15 mph
Precip.
5%
5%
Night

73°F
SE 16 mph
Precip.
7%
7%
05.10
mon
mon
Day

73°F
S 17 mph
Precip.
6%
6%
Night

72°F
S 14 mph
Precip.
8%
8%
sea water
temperature
temperature
| Santorini |
monthly
weather
weather
| Santorini |
current
weather
weather
| Santorini |
7 days
forecast
forecast
| Santorini |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 75.8°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.2°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 71.9°F. The highest and lowest sea temperatures during the month were 74.1°F and 71.1°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: 02:10
September 22, tuesday
0300

75°F
SE
15 mph
15 mph
0600

75°F
SE
14 mph
14 mph
0900

73°F
S
17 mph
17 mph
1200

73°F
S
16 mph
16 mph
1500

73°F
S
12 mph
12 mph
1800

73°F
S
14 mph
14 mph
2100

72°F
S
13 mph
13 mph
September 23, wednesday
0000

70°F
S
12 mph
12 mph


























