17.09
thu
thu
Day
73°F
S 9 mph
Precip.
1%
1%
Night
70°F
S 4 mph
Precip.
10%
10%
18.09
fri
fri
Day
72°F
SE 3 mph
Precip.
12%
12%
Night
68°F
SE 6 mph
Precip.
21%
21%
19.09
sat
sat
Day
73°F
SW 11 mph
Precip.
3%
3%
Night
68°F
SE 4 mph
Precip.
6%
6%
20.09
sun
sun
Day
73°F
SW 7 mph
Precip.
2%
2%
Night
70°F
E 6 mph
Precip.
4%
4%
21.09
mon
mon
Day
79°F
NE 9 mph
Precip.
5%
5%
Night
72°F
E 4 mph
Precip.
5%
5%
22.09
tue
tue
Day
73°F
SW 13 mph
Precip.
3%
3%
Night
70°F
SE 7 mph
Precip.
2%
2%
23.09
wed
wed
Day
73°F
S 16 mph
Precip.
4%
4%
Night
68°F
SE 2 mph
Precip.
4%
4%
24.09
thu
thu
Day
73°F
E 4 mph
Precip.
5%
5%
Night
68°F
E 4 mph
Precip.
8%
8%
25.09
fri
fri
Day
77°F
N 3 mph
Precip.
3%
3%
Night
72°F
E 4 mph
Precip.
4%
4%
26.09
sat
sat
Day
70°F
SW 19 mph
Precip.
1%
1%
Night
66°F
SW 9 mph
Precip.
2%
2%
27.09
sun
sun
Day
66°F
S 13 mph
Precip.
3%
3%
Night
63°F
E 3 mph
Precip.
13%
13%
28.09
mon
mon
Day
68°F
E 6 mph
Precip.
7%
7%
Night
68°F
SE 3 mph
Precip.
19%
19%
29.09
tue
tue
Day
68°F
S 13 mph
Precip.
11%
11%
Night
66°F
SE 7 mph
Precip.
3%
3%
30.09
wed
wed
Day
72°F
NE 6 mph
Precip.
1%
1%
Night
68°F
NE 7 mph
Precip.
8%
8%
sea water
temperature
temperature
| Costa Brava |
monthly
weather
weather
| Costa Brava |
current
weather
weather
| Costa Brava |
7 days
forecast
forecast
| Costa Brava |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 77.0°F. The highest and lowest sea temperatures during the month were 79.7°F and 73.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 67.6°F. The highest and lowest sea temperatures during the month were 70.5°F and 65.5°F.
Air temperature in Costa Brava, °F
Precipitation total in Costa Brava, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Costa Brava
Costa Brava on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Costa Brava
Local time: 05:41
September 17, thursday
0600
68°F
S
9 mph
9 mph
0900
66°F
S
14 mph
14 mph
1200
73°F
S
9 mph
9 mph
1500
75°F
SW
9 mph
9 mph
1800
70°F
NE
10 mph
10 mph
2100
70°F
NE
6 mph
6 mph
September 18, friday
0000
70°F
S
4 mph
4 mph
0300
68°F
SE
11 mph
11 mph
