Weather in Heraklion in September
September is late summer in Heraklion: hot and almost completely dry. Expect highs of about 27°C / 81°F and overnight lows near 20°C / 68°F. Sea temperatures average around 25°C / 77°F, properly warm for swimming. Expect just 1 rainy day in a typical September. Heraklion faces north across the Cretan Sea, with the mountains of central Crete rising behind the city. Summer lingers well into autumn here, and the first storms are usually brief and followed by clear, warm days. Days bring around 12½ hours of daylight. Pack light, breathable clothes, a sun hat, high-factor sunscreen and sunglasses. 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 weather can change from one week to the next, so pack for both warm and cool days. Plan sightseeing for the early morning or evening, and keep the midday hours for the beach or a shaded taverna.
Swimming in Heraklion in September
Swimming is excellent in Heraklion in September, with the sea averaging around 25°C / 76°F. The sea holds on to the summer's warmth after peaking in August. Good spots include Amoudara, just west of the city. The summer wind can churn up exposed beaches, so check which way it's blowing before you pick one. Beach bars and sunbeds are open, with more space than in July and August.
Crowds & Prices in Heraklion in September
September is a shoulder month in Heraklion, 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. Cruise ships call regularly, so the busiest spots can be crowded in the middle of the day. The crowds concentrate at Knossos and the archaeological museum, so for a calmer experience, arrive at opening time. Booking a few weeks ahead is usually enough.
What's Open in Heraklion in September
Ferries to Heraklion from Piraeus run at full summer frequency in September, but they sell out, so book ahead. The airport has direct flights from across Europe in the season, as well as flights from Athens. Everything is open, from hotels and tavernas to beach bars and boat trips. Archaeological sites and museums are on their longer summer hours. Boat trips and excursions run regularly, weather permitting.
Festivals & Holidays in Heraklion in September
September is harvest time, with grapes picked for wine in many areas and village feasts on 8 September for the Nativity of the Virgin. Late-summer village festivals continue into September, and the grape harvest gets underway. Locals in Heraklion mark these dates in the traditional way, and visitors are welcome to join in. As the season quietens, local life takes over again, with markets and harvest gatherings.
Is September a Good Time to Visit Heraklion?
Yes, September is an excellent choice for Heraklion. In numbers: highs of about 27°C / 81°F, lows of 20°C / 68°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 visiting Knossos. 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 Heraklion in September?
In early September, the sun sets in Heraklion 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. Evenings cool quickly after sunset, so bring a layer.
Is it still hot in Heraklion in September?
Yes. September in Crete is still summer, with long, sunny days, a warm sea and very little rain. The heat eases a little compared with August, especially later in the month, which makes it one of the most pleasant times for both beaches and hiking.
Can I visit Knossos in September?
Yes. Knossos is open on longer summer hours, but September is hot and busy. Go right at opening time or late in the day, bring water and a hat, and expect crowds around midday. City buses run from the center of Heraklion to the site.
Do I need a car in Heraklion in September?
Not for Heraklion itself, which is easy to explore on foot. A car is the best way to reach the Lasithi Plateau and the south coast, as bus connections are limited.
Is September or October better for visiting Heraklion?
September, if the beach matters, as the sea is still warm. October is quieter and great for sightseeing and walking, but the weather becomes more changeable and seasonal businesses start to close.
Heraklion Weather by Month
