Weather in Bilbao in September
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
Climate Overview
September is an excellent time to visit Bilbao. Bilbao has a Moderate climate with average yearly highs of 25°C, lows of 15°C, and approximately 11 rainy days per month.
25°C
15°C
11days
12.6h
Is September a good time to visit Bilbao?
The weather is near-perfect with ideal temperatures and minimal rain.
Daylight
7:51 AM
8:26 PM
Weather by Month
| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 14°C | 6°C | 12 | Good |
| February | 17°C | 8°C | 9 | Good |
| March | 15°C | 7°C | 17 | Wet |
| April | 19°C | 11°C | 16 | Wet |
| May | 23°C | 13°C | 11 | Excellent (best) |
| June | 22°C | 14°C | 15 | Excellent (best) |
| July | 25°C | 17°C | 7 | Excellent (best) |
| August | 27°C | 17°C | 11 | Excellent (best) |
| September | 25°C | 15°C | 11 | Excellent (best) |
| October | 18°C | 11°C | 20 | Wet |
| November | 18°C | 10°C | 7 | Good |
| December | 12°C | 8°C | 27 | Wet |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
What to Pack for September
Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.
Planning a trip to Bilbao?
Common Questions
Is September a good time to visit Bilbao? +
September is typically Excellent for visiting Bilbao, with average highs of 25°C and around 11 rainy days.
What should I pack for Bilbao in September? +
With highs of 25°C and lows of 15°C in {month}, we recommend: Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.
Does it rain a lot in Bilbao in September? +
Bilbao typically sees around 11 rainy days in September.
How many hours of daylight are there in Bilbao in September? +
In September, Bilbao gets approximately 12.6 hours of daylight per day.
Is September peak season in Bilbao? +
Yes, September is peak season in Bilbao. Expect higher prices and more crowds, but also the best weather.
What is the best month to visit Bilbao? +
The best months to visit Bilbao are May, June, July, August, September, when the weather is optimal for sightseeing.
More Bilbao Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Bilbao: top things to do, itineraries, and typical costs.