Weather in Mykonos for September 2026
In general, the average temperature in Mykonos at the beginning of September is 25.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.7 °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.
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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 | 24° /22° | 0.1 mm | 6 | |
| 16 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 17 Sept. | Sunny | 24° /21° | 0 mm | 6 | |
| 18 Sept. | Sunny | 23° /21° | 0 mm | 6 | |
| 19 Sept. | Sunny | 23° /20° | 0 mm | 6 | |
| 20 Sept. | Sunny | 23° /21° | 0 mm | 6 | |
| 21 Sept. | Sunny | 23° /21° | 0 mm | 6 | |
| 22 Sept. | Sunny | 23° /21° | 0 mm | 6 | |
| 23 Sept. | Sunny | 24° /21° | 0 mm | 6 | |
| 24 Sept. | Partly cloudy | 24° /22° | 0 mm | 6 | |
| 25 Sept. | Sunny | 23° /21° | 0 mm | 6 | |
| 26 Sept. | Sunny | 23° /21° | 0 mm | 6 | |
| 27 Sept. | Sunny | 23° /21° | 2.4 mm | 6 | |
| 28 Sept. | Patchy rain possible | 22° /20° | 1.2 mm | 6 | |
| 29 Sept. | Patchy rain possible | 22° /20° | 0.1 mm | 5 | |
| 30 Sept. | Sunny | 22° /19° | 0.1 mm | 6 | |
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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. At the beginning of September temperatures are around 22.2 °C; by the end of the month they stay fairly steady and reach 22.1 °C.
- 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 37.449 and longitude 25.381. Stay updated with localized weather information tailored for Mykonos.