Weather in Mykonos for September 2025
Until now, September 2025 in Mykonos has been nearly identical to the historical average, with a temperature of 24.8 °C (showing only a slight deviation of -0.2 °C).
Expect cooler weather in the next days in Mykonos with the forecast suggesting a temperature of 23.1 °C, lower than the historical average.
In general, the average temperature in Mykonos at the beginning of September is 25.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.6 °C by the end of September.
With an average of 5 rainy days, Mykonos experiences minimal rainfall in September.
Is September a good time to visit Mykonos? check out the best time to travel to Mykonos page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Mykonos Weather September
Temperatures trend during September in Mykonos
September weather in Mykonos day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 25° /23° | 0 mm | 7 | |
| 2 Sept. |  Sunny | 26° /24° | 0 mm | 7 | |
| 3 Sept. | Sunny | 26° /23° | 0 mm | 7 | |
| 4 Sept. | Overcast | 25° /23° | 0 mm | 6 | |
| 5 Sept. | Sunny | 25° /22° | 1.7 mm | 6 | |
| 6 Sept. |  Patchy rain possible | 26° /23° | 1.3 mm | 7 | |
| 7 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 8 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 9 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 10 Sept. | Sunny | 25° /22° | 0.6 mm | 6 | |
| 11 Sept. | Patchy rain possible | 25° /22° | 1.5 mm | 6 | |
| 12 Sept. | Sunny | 24° /22° | 0.1 mm | 6 | |
| 13 Sept. | Sunny | 25° /22° | 0 mm | 6 | |
| 14 Sept. |  Partly cloudy | 25° /22° | 0 mm | 6 | |
| 15 Sept. | Sunny | 23° /22° | 0 mm | 1.5 | |
| 16 Sept. | Sunny | 24° /22° | 0 mm | 1.7 | |
| 17 Sept. | Sunny | 24° /23° | 0 mm | 1.7 | |
| 18 Sept. | Sunny | 22° /21° | 0 mm | 1.7 | |
| 19 Sept. | Sunny | 22° /21° | 0 mm | 2 | |
| 20 Sept. | Sunny | 23° /21° | 0 mm | 6 | |
| 21 Sept. | Sunny | 22° /21° | 0 mm | 6 | |
| 22 Sept. | Sunny | 22° /21° | 0 mm | 6 | |
| 23 Sept. | Sunny | 23° /22° | 0 mm | 6 | |
| 24 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 25 Sept. | Sunny | 24° /23° | 0 mm | 6 | |
| 26 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 27 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 28 Sept. | Patchy rain possible | 23° /22° | 1.5 mm | 5 | |
| 29 Sept. | Patchy rain possible | 23° /22° | 0.1 mm | 6 | |
| 30 Sept. | Sunny | 23° /20° | 0.1 mm | 6 | |
| Next | |||||
Mykonos weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 26°/24° | 24°/22° | 21°/19° |
| Rainfall | 1 mm | 14 mm | 1 mm |
| Wind | 38.4 km/h | 34.7 km/h | 35.6 km/h |
| Humidity | 70% | 69% | 70% |
| Rainy days | 0 days | 5 days | 0 days |
| Dry days | 31 days | 25 days | 31 days |
Planning a trip to Mykonos? Discover the best time to visit
Mykonos in September - FAQ
Mykonos water temperatures in September
The average water temperature of the Mediterranean Sea near Mykonos in September is 22.2 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Mykonos in September?
- The average water temperature in Mykonos in September is 22.2 °C.
- Can you swim in Mykonos in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
What to pack to Mykonos in September?
As you prepare for your trip to Mykonos 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 Mykonos, 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 Mykonos
UV exposure in Mykonos during September
Quick links
Where is Mykonos?Get accurate weather forecasts for Mykonos, located at latitude 37.445 and longitude 25.329. Stay updated with localized weather information tailored for Mykonos.