Weather in Santorini Island for September 2025
In general, the average temperature in Santorini Island at the beginning of September is 25.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24 °C by the end of September.
Precipitation in Santorini Island during September is a rare event, with an average of fewer than 2 rainy days.
Is September a good time to visit Santorini Island? check out the best time to travel to Santorini Island page.
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Santorini Island Weather September
Temperatures trend during September in Santorini Island
September weather in Santorini Island day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 26° /24° | 0 mm | 7 | |
| 2 Sept. | Sunny | 26° /25° | 0 mm | 7 | |
| 3 Sept. | Sunny | 26° /24° | 0 mm | 7 | |
| 4 Sept. | Sunny | 26° /24° | 0 mm | 7 | |
| 5 Sept. | Sunny | 26° /24° | 2.3 mm | 7 | |
| 6 Sept. | Sunny | 26° /23° | 1.7 mm | 7 | |
| 7 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 8 Sept. |  Partly cloudy | 25° /23° | 0 mm | 7 | |
| 9 Sept. | Sunny | 25° /23° | 0 mm | 6 | |
| 10 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 11 Sept. |  Patchy rain possible | 25° /23° | 0.6 mm | 6 | |
| 12 Sept. | Sunny | 25° /23° | 0 mm | 6 | |
| 13 Sept. | Sunny | 25° /23° | 0 mm | 6 | |
| 14 Sept. | Sunny | 24° /23° | 0 mm | 6 | |
| 15 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 16 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 17 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 18 Sept. | Sunny | 25° /23° | 0.1 mm | 6 | |
| 19 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 20 Sept. | Sunny | 25° /22° | 0 mm | 6 | |
| 21 Sept. | Sunny | 24° /23° | 0 mm | 6 | |
| 22 Sept. | Sunny | 24° /22° | 0.1 mm | 6 | |
| 23 Sept. |  Cloudy | 24° /21° | 0.1 mm | 6 | |
| 24 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 25 Sept. | Sunny | 24° /21° | 0 mm | 6 | |
| 26 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 27 Sept. | Sunny | 24° /23° | 0 mm | 6 | |
| 28 Sept. | Sunny | 24° /22° | 0.3 mm | 6 | |
| 29 Sept. | Sunny | 24° /22° | 0.2 mm | 6 | |
| 30 Sept. | Sunny | 24° /21° | 0 mm | 6 | |
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Santorini Island in September - FAQ
What to pack to Santorini Island in September?
As you prepare for your trip to Santorini Island 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 Santorini Island, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
September rainfall patterns in Santorini Island
UV exposure in Santorini Island during September
Quick links
Where is Santorini Island?Get accurate weather forecasts for Santorini Island, located at latitude 36.406 and longitude 25.457. Stay updated with localized weather information tailored for Santorini Island.