14.09
mon
mon
Day
84°F
NE 6 mph
Precip.
6%
6%
Night
81°F
E 6 mph
Precip.
1%
1%
15.09
tue
tue
Day
84°F
NW 5 mph
Precip.
1%
1%
Night
79°F
NE 4 mph
Precip.
2%
2%
16.09
wed
wed
Day
81°F
N 7 mph
Precip.
2%
2%
Night
72°F
NW 7 mph
Precip.
80%
80%
17.09
thu
thu
Day
75°F
NE 8 mph
Precip.
8%
8%
Night
72°F
NE 6 mph
Precip.
14%
14%
18.09
fri
fri
Day
75°F
NW 2 mph
Precip.
11%
11%
Night
72°F
NE 2 mph
Precip.
5%
5%
19.09
sat
sat
Day
77°F
NE 4 mph
Precip.
1%
1%
Night
75°F
NE 2 mph
Precip.
2%
2%
20.09
sun
sun
Day
79°F
NW 5 mph
Precip.
1%
1%
Night
75°F
W 2 mph
Precip.
3%
3%
21.09
mon
mon
Day
75°F
NW 6 mph
Precip.
2%
2%
Night
73°F
NW 2 mph
Precip.
6%
6%
22.09
tue
tue
Day
79°F
NE 4 mph
Precip.
2%
2%
Night
77°F
E 4 mph
Precip.
2%
2%
23.09
wed
wed
Day
81°F
NE 6 mph
Precip.
2%
2%
Night
75°F
NE 8 mph
Precip.
26%
26%
24.09
thu
thu
Day
73°F
W 7 mph
Precip.
5%
5%
Night
70°F
NW 2 mph
Precip.
3%
3%
25.09
fri
fri
Day
75°F
NE 3 mph
Precip.
1%
1%
Night
72°F
E 2 mph
Precip.
2%
2%
26.09
sat
sat
Day
73°F
NW 6 mph
Precip.
1%
1%
Night
70°F
SW 3 mph
Precip.
4%
4%
27.09
sun
sun
Day
73°F
NW 6 mph
Precip.
1%
1%
Night
72°F
W 7 mph
Precip.
4%
4%
sea water
temperature
temperature
| Barcelona |
monthly
weather
weather
| Barcelona |
current
weather
weather
| Barcelona |
7 days
forecast
forecast
| Barcelona |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 80.4°F and 75.6°F.
Air temperature in Barcelona, °F
Precipitation total in Barcelona, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Barcelona
Barcelona on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Barcelona
Local time: 17:51
September 14, monday
1800
88°F
NE
12 mph
12 mph
2100
82°F
NE
6 mph
6 mph
September 15, tuesday
0000
81°F
E
6 mph
6 mph
0300
79°F
E
3 mph
3 mph
0600
77°F
SE
4 mph
4 mph
0900
79°F
S
2 mph
2 mph
1200
84°F
NW
5 mph
5 mph
1500
84°F
NW
7 mph
7 mph
