15.09
tue
tue
Day
75°F
SW 9 mph
Precip.
11%
11%
Night
73°F
S 7 mph
Precip.
9%
9%
16.09
wed
wed
Day
75°F
SW 11 mph
Precip.
1%
1%
Night
72°F
NW 5 mph
Precip.
2%
2%
17.09
thu
thu
Day
77°F
SE 2 mph
Precip.
1%
1%
Night
72°F
NW 4 mph
Precip.
3%
3%
18.09
fri
fri
Day
79°F
NW 4 mph
Precip.
2%
2%
Night
72°F
NW 3 mph
Precip.
6%
6%
19.09
sat
sat
Day
79°F
S 2 mph
Precip.
2%
2%
Night
73°F
S 1 mph
Precip.
5%
5%
20.09
sun
sun
Day
79°F
SW 3 mph
Precip.
5%
5%
Night
73°F
SE 6 mph
Precip.
5%
5%
21.09
mon
mon
Day
79°F
SE 5 mph
Precip.
2%
2%
Night
75°F
SE 6 mph
Precip.
4%
4%
22.09
tue
tue
Day
77°F
SE 9 mph
Precip.
1%
1%
Night
70°F
W 14 mph
Precip.
4%
4%
23.09
wed
wed
Day
72°F
SW 8 mph
Precip.
3%
3%
Night
68°F
S 2 mph
Precip.
4%
4%
24.09
thu
thu
Day
73°F
SE 6 mph
Precip.
2%
2%
Night
70°F
SE 3 mph
Precip.
2%
2%
25.09
fri
fri
Day
77°F
SW 6 mph
Precip.
1%
1%
Night
70°F
W 12 mph
Precip.
3%
3%
26.09
sat
sat
Day
72°F
SE 5 mph
Precip.
2%
2%
Night
70°F
E 2 mph
Precip.
3%
3%
27.09
sun
sun
Day
77°F
SE 9 mph
Precip.
2%
2%
Night
73°F
N 2 mph
Precip.
3%
3%
28.09
mon
mon
Day
79°F
W 6 mph
Precip.
1%
1%
Night
72°F
W 2 mph
Precip.
3%
3%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.1°F. The highest and lowest sea temperatures during the month were 78.8°F and 73.4°F.
Air temperature in Possidi, °F
Precipitation total in Possidi, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Possidi
Possidi on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Possidi
Local time: 09:10
September 15, tuesday
1200
75°F
SW
9 mph
9 mph
1500
77°F
NW
7 mph
7 mph
1800
75°F
W
5 mph
5 mph
2100
73°F
E
2 mph
2 mph
September 16, wednesday
0000
73°F
S
7 mph
7 mph
0300
72°F
W
6 mph
6 mph
0600
70°F
W
9 mph
9 mph
0900
72°F
SW
6 mph
6 mph
