Bilbao September Weather

Averages and records for weather in Bilbao, Spain in the month of September.
Typical Bilbao September Weather
1991–2020
Average daily high 24.5 °C
Average daily low 13.9 °C
Average monthly precipitation 7.5 cm
Daily chance of precipitation 42.4%
Bilbao September Weather Records
1947–2024
Highest temperature 41.7 °C September 7, 1988
Lowest temperature 3.8 °C September 28, 1972
Highest daily low 25.0 °C September 23, 1983
Lowest daily high 13.8 °C September 15, 1975
Hottest average high temperature 28.9 °C 1985
Coldest average high temperature 20.2 °C 1952
Most daily precipitation 17.3 cm September 26, 1953
Most monthly precipitation 27.9 cm 1959
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
September 1 25.7 15.2 36.8 9.4
September 2 25.7 15.1 38.6 6.6
September 3 25.6 15.0 34.7 9.0
September 4 25.5 14.9 36.6 8.4
September 5 25.3 14.8 36.1 8.2
September 6 25.3 14.7 38.8 8.4
September 7 25.2 14.7 41.7 7.4
September 8 25.2 14.6 37.6 6.2
September 9 25.1 14.5 38.2 6.4
September 10 25.0 14.4 36.6 7.8
September 11 24.8 14.3 39.4 6.0
September 12 24.7 14.1 39.0 6.4
September 13 24.7 14.1 37.7 8.4
September 14 24.6 14.0 36.6 9.4
September 15 24.5 13.9 37.6 7.0
September 16 24.5 13.9 40.6 7.2
September 17 24.4 13.9 39.7 5.0
September 18 24.3 13.8 37.8 5.0
September 19 24.2 13.7 38.8 4.4
September 20 24.1 13.7 34.0 5.4
September 21 24.0 13.6 34.6 4.8
September 22 23.8 13.5 33.0 5.6
September 23 23.7 13.4 34.6 7.0
September 24 23.6 13.3 34.4 6.4
September 25 23.4 13.2 33.7 6.0
September 26 23.3 13.1 35.8 5.1
September 27 23.3 13.1 33.6 4.4
September 28 23.2 13.0 34.8 3.8
September 29 23.1 13.0 33.1 6.4
September 30 23.0 12.9 35.6 6.0
Weather Station Details
Years Station Coordinates
1947–2024 Bilbao Aeropuerto location