01.09
tue
tue
Day
82°F
N 7 mph
Precip.
1%
1%
Night
77°F
NE 2 mph
Precip.
5%
5%
02.09
wed
wed
Day
82°F
NW 7 mph
Precip.
2%
2%
Night
79°F
SW 2 mph
Precip.
5%
5%
03.09
thu
thu
Day
86°F
N 7 mph
Precip.
1%
1%
Night
81°F
NE 3 mph
Precip.
4%
4%
04.09
fri
fri
Day
86°F
N 6 mph
Precip.
1%
1%
Night
82°F
NE 3 mph
Precip.
13%
13%
05.09
sat
sat
Day
88°F
N 5 mph
Precip.
4%
4%
Night
82°F
NE 4 mph
Precip.
3%
3%
06.09
sun
sun
Day
84°F
NW 6 mph
Precip.
1%
1%
Night
81°F
N 2 mph
Precip.
5%
5%
07.09
mon
mon
Day
84°F
NW 4 mph
Precip.
1%
1%
Night
82°F
NE 3 mph
Precip.
2%
2%
sea water
temperature
temperature
| Barcelona |
monthly
weather
weather
| Barcelona |
current
weather
weather
| Barcelona |
14 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: 20:30
September 01, tuesday
2100
79°F
N
7 mph
7 mph
September 02, wednesday
0000
77°F
NE
2 mph
2 mph
0300
77°F
NE
2 mph
2 mph
0600
77°F
SE
2 mph
2 mph
0900
79°F
S
2 mph
2 mph
1200
82°F
NW
7 mph
7 mph
1500
84°F
NW
8 mph
8 mph
1800
82°F
N
7 mph
7 mph
