Measurements:
°C
°F
CURRENT WEATHER
01:50
Bilbao
70°F
N 7 mph
Feels like: 70°F
Precip: 7%
World Resorts Spain Bilbao Weather

7 Day Weather Forecast

09.29
tue
DAY
76°F
N 9 mph
precip
2%
NIGHT
80°F
NW 6 mph
precip
2%
09.30
wed
DAY
74°F
SW 3 mph
precip
15%
NIGHT
58°F
S 6 mph
precip
68%
10.01
thu
DAY
60°F
S 2 mph
precip
15%
NIGHT
60°F
SW 1 mph
precip
24%
10.02
fri
DAY
70°F
SW 2 mph
precip
12%
NIGHT
62°F
E 2 mph
precip
37%
10.03
sat
DAY
66°F
NE 1 mph
precip
15%
NIGHT
64°F
E 2 mph
precip
24%
10.04
sun
DAY
68°F
S 4 mph
precip
21%
NIGHT
62°F
E 2 mph
precip
23%
10.05
mon
DAY
56°F
E 6 mph
precip
65%
NIGHT
56°F
E 4 mph
precip
67%

Bilbao Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Bilbao was 20.8°F. The maximum and minimum values were 20.1°F and 21.7°F respectively.

Bilbao on the Weather Map

Best Time to Visit Bilbao
The most sunny months:
October 15 days
August 15 days
July 14 days
The most warm months:
August 81.3 °F
July 79.5 °F
September 77.5 °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
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