Weather in Bilbao for September 2027
In general, the average temperature in Bilbao at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.2 °C by the end of September.
The climate of Bilbao in September is notably wet, with an average of 13 rainy days, and a total of 83.8 mm of precipitation.
Is September a good time to visit Bilbao? check out the best time to travel to Bilbao page.
✨ Is September a good time to visit Bilbao? – Ask the AI Weatherman
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Bilbao Weather September
Temperatures trend during September in Bilbao
September weather in Bilbao day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 23° /16° | 2.9 mm | 5 | |
| 2 Sept. |  Moderate or heavy rain shower | 23° /16° | 7.4 mm | 5 | |
| 3 Sept. |  Patchy rain possible | 25° /16° | 1 mm | 6 | |
| 4 Sept. | Light rain | 26° /17° | 3.3 mm | 6 | |
| 5 Sept. | Light rain | 27° /16° | 3.2 mm | 6 | |
| 6 Sept. | Light rain | 29° /18° | 2.8 mm | 6 | |
| 7 Sept. | Patchy rain possible | 26° /18° | 0.8 mm | 6 | |
| 8 Sept. | Light rain | 24° /17° | 3.5 mm | 6 | |
| 9 Sept. | Light rain | 23° /16° | 3.7 mm | 5 | |
| 10 Sept. | Patchy rain possible | 24° /16° | 2 mm | 5 | |
| 11 Sept. | Light rain | 25° /16° | 5.8 mm | 6 | |
| 12 Sept. | Light rain | 23° /17° | 5.3 mm | 6 | |
| 13 Sept. | Patchy rain possible | 24° /17° | 0.9 mm | 5 | |
| 14 Sept. | Patchy rain possible | 25° /16° | 1 mm | 6 | |
| 15 Sept. | Light rain | 23° /16° | 2.6 mm | 5 | |
| 16 Sept. | Light rain | 22° /16° | 2.5 mm | 5 | |
| 17 Sept. | Patchy rain possible | 22° /15° | 1 mm | 5 | |
| 18 Sept. | Patchy rain possible | 23° /15° | 2.2 mm | 5 | |
| 19 Sept. | Patchy rain possible | 24° /15° | 1 mm | 5.9 | |
| 20 Sept. | Light rain | 23° /15° | 2.8 mm | 5 | |
| 21 Sept. | Light rain | 22° /14° | 5.9 mm | 5 | |
| 22 Sept. | Light rain | 20° /14° | 4.1 mm | 5 | |
| 23 Sept. | Patchy rain possible | 21° /13° | 1.3 mm | 5 | |
| 24 Sept. | Patchy rain possible | 23° /14° | 2.2 mm | 5 | |
| 25 Sept. | Patchy rain possible | 22° /14° | 1.1 mm | 5 | |
| 26 Sept. | Patchy rain possible | 22° /14° | 1.7 mm | 5 | |
| 27 Sept. | Light rain | 22° /15° | 2.6 mm | 4 | |
| 28 Sept. | Patchy rain possible | 22° /15° | 2.2 mm | 4 | |
| 29 Sept. | Light rain | 22° /15° | 3.9 mm | 4 | |
| 30 Sept. | Light rain | 22° /14° | 3.1 mm | 4.9 | |
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Bilbao weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/17° | 23°/16° | 21°/14° |
| Rainfall | 58 mm | 84 mm | 85 mm |
| Wind | 13.2 km/h | 12.9 km/h | 14.2 km/h |
| Humidity | 75% | 72% | 70% |
| Rainy days | 11 days | 13 days | 11 days |
| Dry days | 20 days | 17 days | 20 days |
Planning a trip to Bilbao? Discover the best time to visit
Bilbao in September - FAQ
What are the expected maximum and minimum temperatures in Bilbao during September?
How much rainfall should be expected in Bilbao during September?
What are the typical wind conditions in Bilbao during September?
September rainfall patterns in Bilbao
UV exposure in Bilbao during September
What to pack to Bilbao in September?
Mild · highs around 23 °C, frequent showers
As you prepare for your trip to Bilbao in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Bilbao, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Bilbao?Get accurate weather forecasts for Bilbao, located at latitude 43.263 and longitude -2.925. Stay updated with localized weather information tailored for Bilbao.