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What Is the Weather Like in Spetses in September?

Avg High: 29°C / 84°F

Avg Low: 20°C / 68°F

Sea Temp: 25°C / 77°F

Rain Days: 2

Rainfall: 16 mm

Daylight: 12h 25m

Swimming: Yes

Season: Shoulder

Key Facts

Worth Going?

Yes – warm sea, fewer crowds

Weather in Spetses in September

Expect hot, mostly dry weather in Spetses in September, late summer. Average highs reach 29°C / 84°F, with lows of around 20°C / 68°F. In the water, expect around 25°C / 77°F, properly warm for swimming. Expect just 2 rainy days in a typical September. Spetses sits at the mouth of the Argolic Gulf, covered in pine woods, with cars restricted in town. The heat eases, and the sea stays warm long after the summer crowds have gone. Days bring around 12½ hours of daylight. Bring loose, light clothing, a wide-brimmed hat, strong sunscreen and sunglasses. 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. The weather can change from one week to the next, so pack for both warm and cool days. Get out early and late, and save the hottest hours of the afternoon for the water.

Swimming in Spetses in September

The sea in Spetses averages around 25°C / 77°F in September, warm enough to stay in for as long as you like. The best swimming runs through July, August and September, and the water is still close to its August peak. Try Agioi Anargyroi for clear water. Beach bars and sunbeds are open, with more space than in July and August. You won't need a wetsuit.

Crowds & Prices in Spetses in September

In Spetses, September strikes a good balance between atmosphere and space. You'll find better deals on rooms and car hire than in July and August. Go midweek if you can, as weekends bring visitors from Athens. Weekdays are calmer than weekends at the most popular spots. Early mornings and late afternoons are the quietest times at popular sights. A few weeks' notice is usually enough to find a good room.

What's Open in Spetses in September

Ferries to Spetses from Piraeus 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. Boat trips and excursions run regularly, weather permitting. Shops in tourist areas often stay open into the evening.

Festivals & Holidays in Spetses in September

Late-summer village festivals continue into September, and the grape harvest gets underway. The Armata, in September, celebrates a famous naval battle of 1822 with a reenactment and the burning of a replica ship in the harbor. 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 Spetses, as across Greece, these traditions are very much alive.

Is September a Good Time to Visit Spetses?

Yes, September is an excellent choice for Spetses. Expect highs of around 29°C / 84°F, lows near 20°C / 68°F and rain on around 2 days. 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 the old harbor. 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 Spetses in September?

Through September, sunset in Spetses moves from around 8:00 pm to around 7:15 pm in Greek local time, as the evenings get shorter. In mid-September, expect it at around 7:35 pm. Evenings cool quickly after sunset, so bring a layer.

Is it still hot in Spetses in September?

Yes, especially early in the month. September usually stays sunny and warm, with the sea still warm from the summer, but the heat is gentler than in August and evenings are more comfortable. The first autumn showers may arrive towards the end of the month.

Can I visit the Old Harbor on Spetses in September?

Yes. The Old Harbor on Spetses 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. Its boatyards still build traditional wooden boats.

Do I need a car on Spetses in September?

No. Private cars are restricted in Spetses town, so most people get around on foot, by scooter, bicycle, taxi or the small local bus. In September, water taxis are also a handy way to reach beaches around the island.

Is September or October better for visiting Spetses?

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.

Loving Spetses?

Spetses Island Tee

Spetses Weather by Month

Is January a good time to go? See the weather and what's open.

Temperatures, swimming and what's on in February.

Planning a trip in March? Here's the weather and what to know.

Sunshine, rain and sea temperatures for April, plus travel tips.

Weather, sea temperature and travel tips for May.

What to expect in June: weather, crowds and what's open.

Is July a good time to go? See the weather and what's open.

Temperatures, swimming and what's on in August.

Planning a trip in September? Here's the weather and what to know.

Sunshine, rain and sea temperatures for October, plus travel tips.

Weather, sea temperature and travel tips for November.

What to expect in December: weather, crowds and what's open.

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