Portugalete
September
Weather in Portugalete for September 2026
Your guide to Portugalete weather in September - trends and predictions
In general, the average temperature in Portugalete at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of September.
Portugalete in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 135.9 mm.
Is September a good time to visit Portugalete? check out the best time to travel to Portugalete page.
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Temperatures
Rain 🌧️
More
11
Dry days
19
Rainy days
0
Snow days
21°/14°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
Portugalete Weather September
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Temperatures trend during September in Portugalete
See the weather trend as well as the moving average line
September weather in Portugalete day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 21° /14° | 1.1 mm | 5 | |
| 2 Sept. | Patchy rain possible | 25° /14° | 0 mm | 6 | |
| 3 Sept. |  Overcast | 27° /16° | 0.5 mm | 6 | |
| 4 Sept. | Light rain shower | 21° /15° | 1.7 mm | 5 | |
| 5 Sept. |  Sunny | 23° /13° | 0 mm | 6 | |
| 6 Sept. | Sunny | 33° /16° | 0 mm | 8 | |
| 7 Sept. | Patchy rain possible | 24° /17° | 0.9 mm | 5 | |
| 8 Sept. | Light rain shower | 17° /15° | 9.9 mm | 4 | |
| 9 Sept. | Patchy rain possible | 20° /14° | 1.8 mm | 5 | |
| 10 Sept. | Patchy rain possible | 20° /14° | 2.1 mm | 5 | |
| 11 Sept. | Patchy rain possible | 22° /14° | 2.9 mm | 5 | |
| 12 Sept. |  Moderate or heavy rain shower | 18° /14° | 17.6 mm | 4 | |
| 13 Sept. | Patchy rain possible | 18° /13° | 1.2 mm | 5 | |
| 14 Sept. |  Partly cloudy | 22° /12° | 0 mm | 6 | |
| 15 Sept. | Sunny | 19° /13° | 1.2 mm | 5 | |
| 16 Sept. | Partly cloudy | 21° /13° | 0 mm | 5 | |
| 17 Sept. | Moderate rain at times | 22° /14° | 0.5 mm | 6 | |
| 18 Sept. | Patchy rain possible | 25° /14° | 0.1 mm | 6 | |
| 19 Sept. |  Cloudy | 27° /16° | 1.2 mm | 6 | |
| 20 Sept. | Moderate or heavy rain shower | 25° /15° | 2.4 mm | 6 | |
| 21 Sept. | Moderate or heavy rain shower | 20° /13° | 22.8 mm | 5 | |
| 22 Sept. | Moderate or heavy rain shower | 18° /13° | 12.6 mm | 4 | |
| 23 Sept. | Patchy rain possible | 19° /12° | 4 mm | 5 | |
| 24 Sept. | Patchy rain possible | 19° /12° | 2.2 mm | 5 | |
| 25 Sept. | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 26 Sept. |  Heavy rain at times | 21° /13° | 8.1 mm | 5 | |
| 27 Sept. | Patchy rain possible | 20° /12° | 1.2 mm | 5 | |
| 28 Sept. | Moderate rain at times | 19° /13° | 2.4 mm | 5 | |
| 29 Sept. | Overcast | 22° /12° | 0 mm | 5 | |
| 30 Sept. | Patchy rain possible | 21° /14° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Portugalete 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 Portugalete forecast closer to your planned date for the most up-to-date weather information.
Change Month
Portugalete weather in September vs August vs October
Compare September weather in Portugalete 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 | Moderate or heavy rain shower |
| Temperatures | 25°/17° | 21°/14° | 20°/13° |
| Rainfall | 27 mm | 136 mm | 202 mm |
| Wind | 14.1 km/h | 16.2 km/h | 15.9 km/h |
| Humidity | 73% | 74% | 78% |
| Rainy days | 11 days | 19 days | 20 days |
| Dry days | 20 days | 11 days | 11 days |
Planning a trip to Portugalete? Discover the best time to visit
Portugalete in September - FAQ
What are the expected maximum and minimum temperatures in Portugalete during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Portugalete during September?
Significant rainfall exceeding 135.9 mm is expected in Portugalete during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Portugalete during September?
The average wind speed in Portugalete during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Portugalete in September?
As you prepare for your trip to Portugalete 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 Portugalete, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Portugalete
Explore the daily rainfall trends and prepare for Portugaletes September weather 💧
UV exposure in Portugalete during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
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Where is Portugalete?Get accurate weather forecasts for Portugalete, located at latitude 43.321 and longitude -3.021. Stay updated with localized weather information tailored for Portugalete.
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