Measurements:
°C
°F
CURRENT WEATHER
23:46
Barcelona
84°F
W 9 mph
Feels like: 88°F
Precip: 13%
World Resorts Spain Barcelona Weather

7 Day Weather Forecast

09.08
tue
DAY
90°F
N 8 mph
precip
1%
NIGHT
84°F
W 9 mph
precip
13%
09.09
wed
DAY
78°F
N 9 mph
precip
66%
NIGHT
74°F
NE 3 mph
precip
36%
09.10
thu
DAY
76°F
W 2 mph
precip
2%
NIGHT
74°F
SE 1 mph
precip
3%
09.11
fri
DAY
82°F
NE 4 mph
precip
1%
NIGHT
78°F
NE 1 mph
precip
9%
09.12
sat
DAY
82°F
N 2 mph
precip
0%
NIGHT
80°F
NE 2 mph
precip
4%
09.13
sun
DAY
86°F
N 5 mph
precip
1%
NIGHT
82°F
E 5 mph
precip
11%
09.14
mon
DAY
88°F
NE 4 mph
precip
4%
NIGHT
82°F
E 2 mph
precip
2%

Barcelona Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Barcelona was 25.5°F. The maximum and minimum values were 24.2°F and 26.9°F respectively.

Barcelona on the Weather Map

Best Time to Visit Barcelona
The most sunny months:
July 26 days
August 24 days
June 24 days
The most warm months:
August 86.6 °F
July 85.9 °F
September 80.3 °F
Warmest sea temperature:
August 82.3 °F
July 79.8 °F
September 79.5 °F
The most cold months:
January 55.6 °F
February 57.0 °F
December 58.1 °F
The most rainy months:
September 4 days
October 3 days
November 3 days
The most windy months:
March 8 mph
November 7 mph
April 7 mph
more details