Measurements:
°C
°F
CURRENT WEATHER
22:18
Bilbao
64°F
S 4 mph
Feels like: 64°F
Precip: 76%
World Resorts Spain Bilbao Weather

7 Day Weather Forecast

09.08
tue
DAY
76°F
S 3 mph
precip
9%
NIGHT
60°F
S 7 mph
precip
87%
09.09
wed
DAY
62°F
S 6 mph
precip
28%
NIGHT
60°F
S 3 mph
precip
22%
09.10
thu
DAY
66°F
W 2 mph
precip
4%
NIGHT
62°F
N 3 mph
precip
9%
09.11
fri
DAY
68°F
S 2 mph
precip
3%
NIGHT
62°F
NE 1 mph
precip
12%
09.12
sat
DAY
70°F
S 3 mph
precip
2%
NIGHT
64°F
N 2 mph
precip
14%
09.13
sun
DAY
74°F
W 3 mph
precip
2%
NIGHT
68°F
NE 2 mph
precip
13%
09.14
mon
DAY
80°F
W 2 mph
precip
1%
NIGHT
74°F
N 3 mph
precip
3%

Bilbao Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Bilbao was 20.8°F. The maximum and minimum values were 19.6°F and 21.7°F respectively.

Bilbao on the Weather Map

Best Time to Visit Bilbao
The most sunny months:
October 15 days
September 15 days
August 15 days
The most warm months:
August 81.3 °F
July 79.5 °F
September 77.6 °F
Warmest sea temperature:
August 73.9 °F
July 72.1 °F
September 71.3 °F
The most cold months:
January 52.8 °F
February 55.1 °F
December 56.2 °F
The most rainy months:
November 7 days
January 7 days
December 6 days
The most windy months:
February 8 mph
November 7 mph
December 7 mph
more details