Weather in San Sebastián for October 2026
Until now, October 2026 in San Sebastián has been nearly identical to the historical average, with a temperature of 20.1 °C (showing only a slight deviation of 0.2 °C).
The forecast for the upcoming days in San Sebastián predicts a temperature of 19.5 °C, which is slightly above the historical average.
In general, the average temperature in San Sebastián at the beginning of October is 21.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.3 °C by the end of October.
The climate of San Sebastián in October is notably wet, with an average of 13 rainy days, and a total of 113.7 mm of precipitation.
Is October a good time to visit San Sebastián? check out the best time to travel to San Sebastián page.
✨ Is October a good time to visit San Sebastián? – Ask the AI Weatherman
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San Sebastián Weather October
Temperatures trend during October in San Sebastián
October weather in San Sebastián day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Patchy rain possible | 20° /14° | 1.7 mm | 4 | |
| 2 Oct. | Light rain | 23° /14° | 3.6 mm | 4.8 | |
| 3 Oct. | Light rain | 19° /14° | 5.8 mm | 4 | |
| 4 Oct. | Light rain | 20° /13° | 3.1 mm | 4 | |
| 5 Oct. | Light rain | 21° /14° | 3.1 mm | 4 | |
| 6 Oct. | Light rain | 23° /14° | 3 mm | 4.4 | |
| 7 Oct. | Light rain | 22° /15° | 8.5 mm | 4 | |
| 8 Oct. | Light rain | 20° /14° | 3.8 mm | 4.3 | |
| 9 Oct. | Patchy rain possible | 20° /13° | 1.1 mm | 4 | |
| 10 Oct. | Cloudy | 20° /12° | 0.3 mm | 4 | |
| 11 Oct. | Sunny | 22° /13° | 0.2 mm | 4 | |
| 12 Oct. | Partly cloudy | 24° /15° | 0.1 mm | 3.9 | |
| 13 Oct. | Patchy rain possible | 23° /15° | 0.5 mm | 3.9 | |
| 14 Oct. | Moderate or heavy rain shower | 22° /15° | 5.1 mm | 3.8 | |
| 15 Oct. | Light drizzle | 22° /14° | 1.2 mm | 3.7 | |
| 16 Oct. | Light rain | 20° /14° | 3.3 mm | 3.6 | |
| 17 Oct. | Moderate rain | 19° /13° | 10.4 mm | 3.6 | |
| 18 Oct. | Patchy rain possible | 19° /13° | 0.6 mm | 3.5 | |
| 19 Oct. | Light rain | 19° /12° | 4.9 mm | 3.4 | |
| 20 Oct. | Light rain | 18° /11° | 3.4 mm | 3.3 | |
| 21 Oct. | Light rain | 19° /11° | 2.6 mm | 3.3 | |
| 22 Oct. | Overcast | 19° /11° | 0.5 mm | 3 | |
| 23 Oct. | Light rain | 18° /10° | 7.7 mm | 3 | |
| 24 Oct. | Overcast | 18° /10° | 0.2 mm | 3.1 | |
| 25 Oct. | Light rain | 17° /11° | 4.5 mm | 3 | |
| 26 Oct. | Moderate rain | 16° /10° | 10.8 mm | 2.9 | |
| 27 Oct. | Moderate rain | 17° /9° | 11 mm | 2.9 | |
| 28 Oct. | Partly cloudy | 18° /10° | 0.4 mm | 2.8 | |
| 29 Oct. | Patchy light drizzle | 17° /12° | 1.7 mm | 2.8 | |
| 30 Oct. | Overcast | 20° /8° | 0 mm | 2.8 | |
| 31 Oct. | Sunny | 19° /6° | 0 mm | 2.8 | |
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San Sebastián weather in October vs September vs November
| September | October | November | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 21°/14° | 19°/13° | 15°/10° |
| Rainfall | 81 mm | 114 mm | 134 mm |
| Wind | 13 km/h | 14.3 km/h | 17 km/h |
| Humidity | 74% | 75% | 76% |
| Rainy days | 12 days | 13 days | 16 days |
| Dry days | 18 days | 18 days | 14 days |
Planning a trip to San Sebastián? Discover the best time to visit
San Sebastián in October - FAQ
What are the expected maximum and minimum temperatures in San Sebastián during October?
How much rainfall should be expected in San Sebastián during October?
What are the typical wind conditions in San Sebastián during October?
October rainfall patterns in San Sebastián
UV exposure in San Sebastián during October
What to pack to San Sebastián in October?
Mild · highs around 19 °C, frequent showers
As you prepare for your trip to San Sebastián in October, 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 San Sebastián, during October, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Get accurate weather forecasts for San Sebastián, located at latitude 43.201 and longitude -4.423. Stay updated with localized weather information tailored for San Sebastián.