Santorini Island
September
Weather in Santorini Island for September 2025
Your guide to Santorini Island weather in September - trends and predictions
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.
Is September a good time to visit Santorini Island? check out the best time to travel to Santorini Island page.
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25
Dry days
5
Rainy days
0
Snow days
24°/23°
Temperatures
30 km/h
Avg max wind
72 %
Avg humidity
Santorini Island in September average weather
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| 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° |
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Temperatures trend during September in Santorini Island
See the weather trend as well as the moving average line
September weather day by day
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| 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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Important Notice
Our weather forecast for Santorini Island 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 Santorini Island forecast closer to your planned date for the most up-to-date weather information.
Santorini Island in September - FAQ
What are the expected maximum and minimum temperatures in Santorini Island during September?
During September, expect a variety of temperatures with highs around 24° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santorini Island during September?
Expect minimal rainfall in Santorini Island during September, with a total of 18.9 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Santorini Island during September?
The average wind speed in Santorini Island during September is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
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
Explore the daily rainfall trends and prepare for Santorini Islands September weather 💧
UV exposure in Santorini Island during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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