Measurements:
°C
°F
CURRENT WEATHER
02:57
Piraeus
74°F
SW 4 mph
Feels like: 74°F
Precip: 6%
World Resorts Greece Piraeus Weather

14 Day Weather Forecast

09.14
mon
DAY
82°F
SW 10 mph
precip
2%
NIGHT
72°F
S 4 mph
precip
11%
09.15
tue
DAY
82°F
SW 14 mph
precip
1%
NIGHT
72°F
S 6 mph
precip
10%
09.16
wed
DAY
80°F
SW 17 mph
precip
8%
NIGHT
68°F
S 6 mph
precip
2%
09.17
thu
DAY
82°F
S 11 mph
precip
1%
NIGHT
72°F
S 4 mph
precip
1%
09.18
fri
DAY
84°F
S 2 mph
precip
0%
NIGHT
74°F
E 3 mph
precip
4%
09.19
sat
DAY
84°F
NE 4 mph
precip
1%
NIGHT
74°F
E 3 mph
precip
3%
09.20
sun
DAY
86°F
S 11 mph
precip
9%
NIGHT
70°F
SE 6 mph
precip
9%
09.21
mon
DAY
82°F
S 13 mph
precip
2%
NIGHT
72°F
SE 6 mph
precip
2%
09.22
tue
DAY
84°F
SW 19 mph
precip
9%
NIGHT
72°F
S 7 mph
precip
12%
09.23
wed
DAY
84°F
S 11 mph
precip
10%
NIGHT
74°F
NE 5 mph
precip
6%
09.24
thu
DAY
82°F
E 1 mph
precip
0%
NIGHT
70°F
NE 1 mph
precip
4%
09.25
fri
DAY
80°F
NE 10 mph
precip
11%
NIGHT
66°F
E 8 mph
precip
3%
09.26
sat
DAY
72°F
E 8 mph
precip
0%
NIGHT
64°F
N 2 mph
precip
4%
09.27
sun
DAY
72°F
E 3 mph
precip
14%
NIGHT
64°F
NE 1 mph
precip
10%

Piraeus Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Piraeus was 81.4°F. The maximum and minimum values were 78.2°F and 83.2°F respectively.

Piraeus on the Weather Map

Best Time to Visit Piraeus
The most sunny months:
July 30 days
August 30 days
June 27 days
The most warm months:
July 95.3 °F
August 94.4 °F
June 89.0 °F
Warmest sea temperature:
August 83.6 °F
July 82.3 °F
September 81.5 °F
The most cold months:
January 54.7 °F
February 57.1 °F
December 58.5 °F
The most rainy months:
February 3 days
January 3 days
December 3 days
The most windy months:
August 11 mph
July 9 mph
February 9 mph
more details
Greece Resorts:
NAME
F°
Athenes +72
Bali Gr +72
Chalkidiki +72
Chania +76
Corfu +78
Crete +72
Hanioti +74
Kassandra +76
Paralia Katerini +68
Pefkochori +74
Rhodes +76
Sithonia +72
Thasos +68
Thessaloniki +66
Zakynthos +74
all resorts
24 Hours Weather Forecast
Piraeus
Local time: 02:57
14 sep, monday
0300 74°F
SW
4 mph
0600 70°F
SW
7 mph
0900 74°F
SW
8 mph
1200 82°F
SW
10 mph
1500 84°F
W
6 mph
1800 80°F
W
7 mph
2100 74°F
SW
6 mph
15 sep, tuesday
0000 72°F
S
4 mph