Bilbao Weather in September
Bilbao in September
The short of it: Bilbao in September averages a high of 25 °C (76 °F) and a low of 14 °C (57 °F), with 61 mm (2.4 in) of rain and about 12 h 26 min of daylight. Rated 4 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.
Average high 25° · low 14° · rain 61 mm · daylight 12 h 26 min
✦✦✦✦ Recommended for a visit · best months: June & September
Thirty years of records give Bilbao an average September high of 25°, a low of 14° and some 61 mm of rain. Much like August: highs about 25°, nights near 14°. Easy travelling weather. Wet spells are common — about 61 mm, the 11th wettest month.
The sun is up for about 12 h 26 min in mid-September, 91 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 4 of 5 for a visit; the finest months here are June and September.
Against its neighbours, Bilbao runs about middling and about as wet in September. Santutxu, 1 km to the SE, sees much the same highs.
September in Bilbao, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 11th wettest of 12
- Versus August
- 2° colder, 12 mm less rain
- Versus October
- 3° warmer
- Day–night spread
- 11°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 26 min
- Average wind
- 10 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| SantutxuBasque Country | 1 km SE | 24° | 13° | 61 mm |
| BasauriBasque Country | 4 km SE | 24° | 14° | 59 mm |
| ErandioBasque Country | 6 km NW | 25° | 14° | 62 mm |
| BarakaldoBasque Country | 6 km NW | 25° | 14° | 62 mm |
| ArrigorriagaBasque Country | 7 km SSE | 24° | 14° | 59 mm |
| GaldakaoBasque Country | 8 km ESE | 24° | 13° | 59 mm |
| SestaoBasque Country | 8 km NW | 25° | 14° | 63 mm |
| LeioaBasque Country | 9 km NW | 25° | 14° | 62 mm |