Bilbao weather in September 2026

Expect daytime maximum temperatures of 24°C in Bilbao, Spain in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 71 mm of rainfall in the month.

  • 24°C maximum daytime temperature in September in Bilbao24
    24°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Bilbao12
    12 days with some rainfall
  • 13°C minimum night-time temperature in September in Bilbao13
    13°C min night temperature
  • 12 hours of daylight per day in September in Bilbao12
    12 hours of daylight per day
  • No heat & humidity in September in Bilbao0
    No heat & humidity
  • 71 mm monthly rainfall in September in Bilbao71
    71 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Bilbao5
    5 (Moderate) UV index
  • 20°C sea temperature in September in Bilbao20
    20°C sea temperature

More about Bilbao

Bilbao by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Spain

Pierre & Vacances: Latest special offers on holidays

  • Save on 2026 holidays with latest Pierre & Vacances deals
  • Offers on beach, mountain, countryside & ski destinations
  • Book breaks to France, across Europe & beyond
Go to Pierre & Vacances deal >>

View all Pierre & Vacances offers

Pierre & VacancesHoliday accomodation

The September weather guide for Spain (Bilbao) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Spain

How hot is it in Bilbao in September?

Daytime temperatures usually reach 27°C in Bilbao in September with no heat and humidity, falling to 14°C at night.

How sunny is it in Bilbao in September?

There are normally 8 hours of bright sunshine each day in Bilbao in September - that's 66% of daylight hours.

Does it rain in Bilbao in September?

There are usually 7 days with some rain in Bilbao in September and the average monthly rainfall is 27mm.

Bilbao September sunrise & sunset times

Browse the sunrise and sunset times for Bilbao in September 2026. Select a month to view Bilbao sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:36 19:47
Tuesday, 15th September 2026 06:51 19:22
Wednesday, 30th September 2026 07:08 18:55

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^