Weather in Ios in September
Expect warm, almost completely dry weather in Ios in September, late summer. Average highs reach 26°C / 79°F, with lows of around 21°C / 70°F. Expect just 1 rainy day in a typical September. Sea temperatures average around 24°C / 75°F, properly warm for swimming. Ios is a hilly island in the southern Cyclades, and its bays face in every direction, so there's usually a sheltered beach somewhere. The summer winds ease, and the light turns soft and golden. Daylight lasts about 12½ hours. Pack summer clothes, a light layer for the evenings and good sun protection. When the wind picks up, a light windproof layer is handy for evenings by the water. Mornings and evenings get noticeably cooler as the month goes on. The light is softer than in summer, which makes it a lovely time for photos and walks. It's pleasant to be outside from morning to evening, with sun protection at midday.
Swimming in Ios in September
Swimming is excellent in Ios in September, with the sea averaging around 24°C / 74°F. The best swimming runs through July, August and September, and the water is still close to its August peak. Mylopotas and Manganari are local favorites. When the meltemi blows, north-facing beaches get rough, so head for sheltered bays on the south side. Beaches are lively but less crowded than in high summer. No wetsuit needed.
Crowds & Prices in Ios in September
September is a shoulder month in Ios, busy enough to feel lively but well below the summer peak. Prices are noticeably lower than in high summer, and there's more choice of rooms. Weekdays are calmer than weekends at the most popular spots. Early mornings and late afternoons are the quietest times at popular sights. Booking a few weeks ahead is usually enough.
What's Open in Ios in September
Ferries to Ios from Piraeus and Rafina run at full summer frequency in September, but they sell out, so book ahead. It's the full season, so hotels, restaurants, beach bars and excursions are all running. Museums and sites are open on extended summer hours. The bars and clubs of Chora are in full swing. Opening hours are long, with many tavernas serving until late.
Festivals & Holidays in Ios in September
Late-summer village festivals continue into September, and the grape harvest gets underway. September is harvest time, with grapes picked for wine in many areas and village feasts on 8 September for the Nativity of the Virgin. In Ios, these occasions are celebrated much as they are across the rest of Greece. As the season quietens, local life takes over again, with markets and harvest gatherings.
Is September a Good Time to Visit Ios?
Yes, September is an excellent choice for Ios. In numbers: highs of about 26°C / 79°F, lows of 21°C / 70°F and rain on around 1 day in a typical September. You get warm water and summer weather with fewer people and better prices than in high season. It's ideal for beach days, swimming and exploring beyond the nightlife. If you want the absolute peak of summer life, July and August are busier, but most travelers will prefer September.
Frequently Asked Questions
What time does the sun set in Ios in September?
In early September, the sun sets in Ios at around 7:50 pm. By mid-month it's around 7:30 pm, and by the end of September around 7:05 pm. All times are Greek local time. Chora, especially near the church of Panagia Gremiotissa, has wide views to the west.
Is it still hot in Ios in September?
Yes, especially in the first half of the month. September usually stays warm and sunny, and the sea is still warm from the summer. The meltemi tends to ease, nights become more comfortable, and the first autumn showers sometimes arrive late in the month, although rain is still uncommon.
Can I visit Chora on Ios in September?
Yes. Chora on Ios is at its liveliest in September, but also at its busiest. Explore in the morning or after sunset, when it's cooler and the atmosphere is at its best. Climb to the church of Panagia Gremiotissa for the views.
Do I need a car on Ios in September?
Not necessarily. Buses link the port and Chora with the main beaches and villages in September, and taxis are available, though they're busy. A car, scooter or ATV gives you more freedom to explore quieter corners, so book one early.
Is September or October better for visiting Ios?
September, if you want swimming and everything open. October is quieter and cheaper, and the sea often stays pleasant early in the month, but the weather becomes more changeable and many seasonal hotels, tavernas and boat trips wind down as the month goes on.
Ios Weather by Month
