Weather in Santorini Island for September 2025
In general, the average temperature in Santorini Island at the beginning of September is 26 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.1 °C by the end of September.
With an average of 5 rainy days, Santorini Island experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.
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 in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2 26° | 3  26° | 4  26° | 5  26° | 6  26° | 7 26° |
| 8 25° | 9 25° | 10 25° | 11 25° | 12 25° | 13 25° | 14 25° |
| 15 25° | 16 25° | 17 24° | 18 24° | 19 24° | 20 24° | 21 24° |
| 22 24° | 23 25° | 24 25° | 25 24° | 26 24° | 27 24° | 28 24° |
| 29 24° | 30 24° |
You can click on date
Temperatures trend during September in Santorini Island
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 26° /24° | 0.1 mm | 7 | |
| 2 Sept. | Sunny | 26° /25° | 0.1 mm | 7 | |
| 3 Sept. | Partly cloudy | 26° /24° | 0 mm | 7 | |
| 4 Sept. | Overcast | 26° /24° | 0 mm | 7 | |
| 5 Sept. | Light rain shower | 26° /24° | 4.6 mm | 7 | |
| 6 Sept. | Moderate or heavy rain shower | 26° /25° | 3.5 mm | 7 | |
| 7 Sept. | Sunny | 26° /24° | 0 mm | 7 | |
| 8 Sept. | Partly cloudy | 25° /24° | 0 mm | 7 | |
| 9 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 10 Sept. | Sunny | 25° /24° | 0 mm | 7 | |
| 11 Sept. | Patchy rain possible | 25° /23° | 1.2 mm | 6 | |
| 12 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 13 Sept. | Sunny | 25° /24° | 0 mm | 6 | |
| 14 Sept. | Partly cloudy | 25° /24° | 0 mm | 7 | |
| 15 Sept. | Sunny | 25° /24° | 0 mm | 7 | |
| 16 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 17 Sept. | Partly cloudy | 24° /23° | 0 mm | 6 | |
| 18 Sept. | Sunny | 24° /22° | 0.1 mm | 6 | |
| 19 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 20 Sept. | Sunny | 24° /23° | 0 mm | 6 | |
| 21 Sept. | Sunny | 24° /23° | 0 mm | 6 | |
| 22 Sept. | Sunny | 24° /23° | 0 mm | 7 | |
| 23 Sept. | Sunny | 25° /23° | 0 mm | 6 | |
| 24 Sept. | Overcast | 25° /23° | 0 mm | 6 | |
| 25 Sept. | Partly cloudy | 24° /23° | 0 mm | 6 | |
| 26 Sept. | Partly cloudy | 24° /23° | 0 mm | 6 | |
| 27 Sept. | Sunny | 24° /23° | 0.1 mm | 6 | |
| 28 Sept. | Patchy rain possible | 24° /23° | 0.6 mm | 6 | |
| 29 Sept. | Patchy rain possible | 24° /23° | 0.4 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
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.