17.09
thu
thu
Day
75°F
S 20 mph
Precip.
40%
40%
Night
77°F
SW 16 mph
Precip.
23%
23%
18.09
fri
fri
Day
75°F
SW 20 mph
Precip.
18%
18%
Night
73°F
SW 15 mph
Precip.
8%
8%
19.09
sat
sat
Day
75°F
SW 19 mph
Precip.
17%
17%
Night
75°F
SW 15 mph
Precip.
5%
5%
20.09
sun
sun
Day
75°F
SW 15 mph
Precip.
5%
5%
Night
75°F
S 16 mph
Precip.
6%
6%
21.09
mon
mon
Day
75°F
W 8 mph
Precip.
4%
4%
Night
77°F
NW 4 mph
Precip.
3%
3%
22.09
tue
tue
Day
77°F
N 5 mph
Precip.
3%
3%
Night
77°F
SW 6 mph
Precip.
4%
4%
23.09
wed
wed
Day
77°F
SW 19 mph
Precip.
6%
6%
Night
75°F
S 17 mph
Precip.
9%
9%
sea water
temperature
temperature
| Costa Blanca |
monthly
weather
weather
| Costa Blanca |
current
weather
weather
| Costa Blanca |
14 days
forecast
forecast
| Costa Blanca |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.9°F. The highest and lowest sea temperatures during the month were 81.9°F and 78.6°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 73.6°F. The highest and lowest sea temperatures during the month were 76.5°F and 71.6°F.
Air temperature in Costa Blanca, °F
Precipitation total in Costa Blanca, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Costa Blanca
Costa Blanca on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Costa Blanca
Local time: 12:04
September 17, thursday
1500
75°F
SW
15 mph
15 mph
1800
77°F
SW
14 mph
14 mph
2100
77°F
SW
14 mph
14 mph
September 18, friday
0000
77°F
SW
16 mph
16 mph
0300
75°F
SW
12 mph
12 mph
0600
75°F
SW
16 mph
16 mph
0900
75°F
SW
19 mph
19 mph
1200
75°F
SW
20 mph
20 mph
