Bizkaia (Bilbao)
September
Weather in Bizkaia for September 2027
Your guide to Bizkaia weather in September - trends and predictions
In general, the average temperature in Bizkaia 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 Bizkaia 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 Bizkaia? check out the best time to travel to Bizkaia page.
✨ Is September a good time to visit Bizkaia? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
17
Dry days
13
Rainy days
0
Snow days
23°/16°
Temperatures
13 km/h
Avg max wind
72 %
Avg humidity
Bizkaia Weather September
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Temperatures trend during September in Bizkaia
See the weather trend as well as the moving average line
September weather in Bizkaia day by day
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| 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 | |
| Next | |||||
Important Notice
Our weather forecast for Bizkaia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Bizkaia forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bizkaia weather in September vs August vs October
Compare September weather in Bizkaia with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| 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 Bizkaia? Discover the best time to visit
Bizkaia in September - FAQ
What are the expected maximum and minimum temperatures in Bizkaia during September?
During September, expect a variety of temperatures with highs around 23° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Bizkaia during September?
Moderate rainfall is anticipated in Bizkaia during September, with a total of 83.8 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bizkaia during September?
The average wind speed in Bizkaia during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bizkaia
Explore the daily rainfall trends and prepare for Bizkaias September weather 💧
Typically, Bizkaia has 13 rainy days in September with a total of 83.8 mm of rainfall.
UV exposure in Bizkaia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
What to pack to Bizkaia in September?
Mild · highs around 23 °C, frequent showers
As you prepare for your trip to Bizkaia 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 Bizkaia, during September, is comfortable and enjoyable, regardless of the weather conditions.
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