15.09
tue
tue
Day
75°F
S 7 mph
Precip.
12%
12%
Night
66°F
S 6 mph
Precip.
8%
8%
16.09
wed
wed
Day
68°F
S 8 mph
Precip.
74%
74%
Night
66°F
S 6 mph
Precip.
11%
11%
17.09
thu
thu
Day
72°F
S 9 mph
Precip.
19%
19%
Night
64°F
S 6 mph
Precip.
7%
7%
18.09
fri
fri
Day
73°F
S 9 mph
Precip.
2%
2%
Night
66°F
S 5 mph
Precip.
5%
5%
19.09
sat
sat
Day
75°F
S 7 mph
Precip.
10%
10%
Night
68°F
S 6 mph
Precip.
3%
3%
20.09
sun
sun
Day
77°F
S 9 mph
Precip.
1%
1%
Night
68°F
S 7 mph
Precip.
13%
13%
21.09
mon
mon
Day
75°F
S 9 mph
Precip.
10%
10%
Night
68°F
S 7 mph
Precip.
6%
6%
22.09
tue
tue
Day
77°F
S 10 mph
Precip.
1%
1%
Night
70°F
S 6 mph
Precip.
2%
2%
23.09
wed
wed
Day
72°F
S 16 mph
Precip.
17%
17%
Night
64°F
S 19 mph
Precip.
6%
6%
24.09
thu
thu
Day
66°F
S 24 mph
Precip.
12%
12%
Night
63°F
S 14 mph
Precip.
4%
4%
25.09
fri
fri
Day
72°F
S 13 mph
Precip.
1%
1%
Night
66°F
S 23 mph
Precip.
3%
3%
26.09
sat
sat
Day
68°F
S 29 mph
Precip.
1%
1%
Night
63°F
S 14 mph
Precip.
5%
5%
27.09
sun
sun
Day
70°F
S 16 mph
Precip.
1%
1%
Night
63°F
S 7 mph
Precip.
5%
5%
28.09
mon
mon
Day
75°F
S 9 mph
Precip.
3%
3%
Night
68°F
S 6 mph
Precip.
16%
16%
sea water
temperature
temperature
| Rethymno |
monthly
weather
weather
| Rethymno |
current
weather
weather
| Rethymno |
7 days
forecast
forecast
| Rethymno |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.4°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.7°F.
Air temperature in Rethymno, °F
Precipitation total in Rethymno, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rethymno
Rethymno on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Rethymno
Local time: 05:40
September 15, tuesday
0600
68°F
S
4 mph
4 mph
0900
72°F
S
8 mph
8 mph
1200
75°F
S
7 mph
7 mph
1500
77°F
S
9 mph
9 mph
1800
72°F
S
6 mph
6 mph
2100
68°F
S
6 mph
6 mph
September 16, wednesday
0000
66°F
S
6 mph
6 mph
0300
66°F
S
7 mph
7 mph
