Measurements:
°C
°F
CURRENT WEATHER
14:08
Cephalonia
84°F
SE 6 mph
Feels like: 86°F
Precip: 2%
World Resorts Greece Cephalonia Weather

7 Day Weather Forecast

09.08
tue
DAY
86°F
S 3 mph
precip
1%
NIGHT
78°F
S 2 mph
precip
7%
09.09
wed
DAY
84°F
E 4 mph
precip
1%
NIGHT
78°F
SW 2 mph
precip
8%
09.10
thu
DAY
84°F
SE 4 mph
precip
1%
NIGHT
80°F
W 1 mph
precip
6%
09.11
fri
DAY
86°F
SE 4 mph
precip
1%
NIGHT
78°F
S 2 mph
precip
6%
09.12
sat
DAY
86°F
SE 6 mph
precip
2%
NIGHT
78°F
SE 1 mph
precip
20%
09.13
sun
DAY
84°F
E 6 mph
precip
2%
NIGHT
76°F
NW 5 mph
precip
10%
09.14
mon
DAY
80°F
N 11 mph
precip
17%
NIGHT
70°F
N 6 mph
precip
24%

Cephalonia Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cephalonia was 25.1°F. The maximum and minimum values were 24.4°F and 25.8°F respectively.

Cephalonia on the Weather Map

Best Time to Visit Cephalonia
The most sunny months:
July 30 days
August 29 days
June 26 days
The most warm months:
August 89.0 °F
July 87.9 °F
September 82.9 °F
Warmest sea temperature:
August 83.2 °F
September 81.2 °F
July 81.0 °F
The most cold months:
January 56.8 °F
February 57.5 °F
March 59.7 °F
The most rainy months:
January 7 days
November 7 days
December 7 days
The most windy months:
January 12 mph
February 11 mph
December 10 mph
more details