Mykonos · September
Best travel monthTravel seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, ↑ warmestØ day↑ warmest | 14° (57°)18° (64°) | 14° (57°)18° (64°) | 16° (61°)20° (68°) | 19° (66°)24° (75°) | 23° (73°)29° (84°) | 28° (82°)32° (90°) | 29° (84°)34° (93°) | 29° (84°)33° (91°) | 27° (81°)31° (88°) | 23° (73°)27° (81°) | 19° (66°)23° (73°) | 16° (61°)20° (68°) |
Ø night, ↓ coldestØ night↓ coldest | 10° (50°)4° (39°) | 10° (50°)5° (41°) | 11° (52°)6° (43°) | 14° (57°)9° (48°) | 17° (63°)13° (55°) | 21° (70°)17° (63°) | 24° (75°)21° (70°) | 24° (75°)21° (70°) | 22° (72°)17° (63°) | 18° (64°)14° (57°) | 15° (59°)10° (50°) | 12° (54°)6° (43°) |
☀️Sunshine | 5h UV 4 | 6h UV 6 | 8h UV 7 | 10h UV 8 | 10h UV 9 | 12h UV 9 | 12h UV 9 | 11h UV 9 | 9h UV 8 | 8h UV 6 | 6h UV 5 | 5h UV 4 |
🌊Water Temp | 16° (61°) | 16° (61°) | 16° (61°) | 17° (63°) | 20° (68°) | 23° (73°) | 25° (77°) | 26° (79°) | 25° (77°) | 23° (73°) | 20° (68°) | 17° (63°) |
🌧Rain Days | 4d51mm (2.0") | 3d29mm (1.1") | 2d16mm (0.6") | 1d8mm (0.3") | 0d3mm (0.1") | 0d1mm (<0.1") | 0d0mm (<0.1") | 0d1mm (<0.1") | 0d3mm (0.1") | 1d8mm (0.3") | 2d23mm (0.9") | 3d29mm (1.1") |
Best travel time current monthØ = average · ↑ warmest day · ↓ coldest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is among the best months in Mykonos: only 0 rain days, 27°C (81°F) highs, and good sunshine make for ideal holiday conditions.
Daytime highs average 27°C (81°F), cooling to 22°C (72°F) at night (daily average: 24°C (75°F)). Peaks reach around 31°C (88°F), the coldest nights around 17°C (63°F). With 9 sunshine hours per day, September is one of the sunniest months — 3 mm (0.1 in) of rain over 0 days. Sea temperature is 25°C (77°F) — pleasantly warm for long swim sessions.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in September are ideal.
Packing list for Mykonos in September
- T-shirts and shorts
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Mykonos?
- Yes — September is one of the best months to visit Mykonos (Climate Score: 88/100). Pleasant temperatures (27°C (81°F)), good sunshine (9 h/day), and few rain days (0) make it one of the most recommended months.
- How warm is it in Mykonos in September?
- In September, Mykonos sees daily highs of 27°C (81°F). Nights cool to 22°C (72°F), with a daily average of 24°C (75°F). Peaks reach around 31°C (88°F), the coldest nights around 17°C (63°F).
- How much rain falls in Mykonos in September?
- In September, Mykonos receives an average of 3 mm (0.1 in) of rain over 0 rain days. That is comparatively dry.
- How many sunshine hours does Mykonos get in September?
- Mykonos averages 9 sunshine hours per day in September — above the annual average.
- How warm is the water in Mykonos in September?
- Water temperature in Mykonos in September averages 25°C (77°F) — pleasantly warm for swim sessions.
