Weather in Donostia / San Sebastián for September 2024
Until now, September 2024 in Donostia / San Sebastián is cooler than usual, with temperatures averaging 18.7 °C, this is -4.1 °C below the typical seasonal average.
Expect cooler weather in the next days in Donostia / San Sebastián with the forecast suggesting a temperature of 22.1 °C, lower than the historical average.
In general, the average temperature in Donostia / San Sebastián at the beginning of September is 23.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.6 °C by the end of September.
The climate of Donostia / San Sebastián in September is notably wet, with an average of 13 rainy days.
Is September a good time to visit Donostia / San Sebastián? check out the best time to travel to Donostia / San Sebastián page.
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Donostia / San Sebastián in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | ||||||
| 2  21° | 3  22° | 4  25° | 5 24° | 6  23° | 7 26° | 8  25° |
| 9  25° | 10 23° | 11 22° | 12 20° | 13 19° | 14 21° | 15 22° |
| 16 23° | 17  23° | 18 25° | 19 25° | 20 24° | 21 23° | 22 23° |
| 23 18° | 24 21° | 25 21° | 26 27° | 27 19° | 28 18° | 29 25° |
| 30 27° |
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Temperatures trend during September in Donostia / San Sebastián
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 23° /16° | 7.5 mm | 5 | |
| 2 Sept. | Moderate or heavy rain shower | 21° /17° | 30.3 mm | 5 | |
| 3 Sept. | Cloudy | 22° /16° | 4.5 mm | 5 | |
| 4 Sept. | Partly cloudy | 25° /17° | 5.2 mm | 6 | |
| 5 Sept. | Partly cloudy | 24° /17° | 3.7 mm | 6 | |
| 6 Sept. | Sunny | 23° /16° | 18.3 mm | 6 | |
| 7 Sept. | Partly cloudy | 26° /16° | 1.6 mm | 7 | |
| 8 Sept. | Patchy rain possible | 25° /15° | 0.5 mm | 6 | |
| 9 Sept. | Thundery outbreaks possible | 25° /15° | 2.7 mm | 6 | |
| 10 Sept. | Patchy rain possible | 23° /16° | 3.7 mm | 5 | |
| 11 Sept. | Moderate or heavy rain shower | 22° /15° | 28.7 mm | 5 | |
| 12 Sept. | Cloudy | 20° /14° | 15.9 mm | 5 | |
| 13 Sept. | Cloudy | 19° /14° | 2.1 mm | 5 | |
| 14 Sept. | Cloudy | 21° /12° | 0 mm | 5 | |
| 15 Sept. | Sunny | 22° /13° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 23° /14° | 0 mm | 6 | |
| 17 Sept. | Patchy light drizzle | 23° /14° | 0.9 mm | 5 | |
| 18 Sept. | Light rain shower | 25° /16° | 1.2 mm | 6 | |
| 19 Sept. | Patchy rain possible | 25° /12° | 0.3 mm | 5 | |
| 20 Sept. | Patchy rain possible | 24° /15° | 0.3 mm | 5 | |
| 21 Sept. | Patchy rain possible | 23° /14° | 2.7 mm | 4 | |
| 22 Sept. | Patchy rain possible | 23° /13° | 2.7 mm | 4 | |
| 23 Sept. | Patchy rain possible | 18° /13° | 2.2 mm | 3 | |
| 24 Sept. | Partly cloudy | 21° /13° | 0 mm | 5 | |
| 25 Sept. | Patchy rain possible | 21° /14° | 1.1 mm | 4 | |
| 26 Sept. | Partly cloudy | 27° /16° | 0 mm | 6 | |
| 27 Sept. | Patchy rain possible | 19° /14° | 0.9 mm | 4 | |
| 28 Sept. | Patchy rain possible | 18° /12° | 0.2 mm | 3 | |
| 29 Sept. | Sunny | 25° /11° | 0 mm | 5 | |
| 30 Sept. | Sunny | 27° /14° | 0 mm | 5 | |
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Donostia / San Sebastián in September - FAQ
What to pack to Donostia / San Sebastián in September?
As you prepare for your trip to Donostia / San Sebastián 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 Donostia / San Sebastián, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable 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
- Umbrellas/Raincoats: For rainy days
Quick links
Where is Donostia / San Sebastián?Get accurate weather forecasts for Donostia / San Sebastián, located at latitude 43.313 and longitude -1.975. Stay updated with localized weather information tailored for Donostia / San Sebastián.