When to go · September
The summer crowds thin, the sea is at its warmest and the evenings are long and soft. Why September is many people’s favourite month on the Peloponnese.
The short answer
September on the Peloponnese is warm and bright, with daytime highs around 28 degrees and the sea at its warmest of the year, roughly 25 degrees. The first week still feels like summer, and from mid-month the crowds fade and the air becomes gentler.
It is an ideal time for swimming, sightseeing and long dinners outdoors. Rain is rare, and the days are still long enough for a full programme.
On the east coast, September is the month we most often tell friends to visit: the beaches are calm, the sea is like a bath and the villages return to their own pace.
Written by the Sampatiki Suites team. Updated September 2026.
Highs
About 28 °C
Sea
About 25 °C
Rain
Little
Crowds
Thinning
What to do
Swim
Long, easy swims at Plaka, Poulithra and Fokianos, with plenty of room on the sand.
Walk
Start early and the trails above Leonidio are lovely before the heat builds.
Eat
September is the grape harvest in much of Greece, with figs and late tomatoes in the markets.
Sail
Calm seas make boat trips along the coast easy, for example to the chapel of St George.
Wander
The walled town is magical when the light turns violet and the day visitors leave.
Our tip
Book early for the first half of the month. Many guests choose September, so good rooms and tables fill up.
Good to know
Heat
Start sightseeing early, and keep the afternoons for the sea.
Daylight
The sun sets noticeably earlier than in July. Plan your last swim before sunset.
Crowds
The first week can still be busy. The second half is calmer.
Climbing
The crags are still hot. The climbing season begins in October.
On the east coast
On the east coast September is the sweet spot: summer sea, calm beaches and an easy pace. We suggest three or four nights on the coast, with a day in Nafplio and one in Monemvasia.
From us at Sampatiki
September is a favourite month with our guests: warm swims in the morning, the pool and the spa in the afternoon, and long dinners. Breakfast starts at 07:00.
Keep exploring
Questions
Is September a good time to visit Greece?
Yes. The sea is at its warmest, the weather is bright and the crowds thin out from the middle of the month.
What is the sea temperature in Greece in September?
Around 25 degrees on the Peloponnese coast, among the warmest of the year.
What is the weather like in Greece in September?
Warm and sunny, with highs around 28 degrees and very little rain.
Is September busy in Greece?
The first week can be busy, but crowds fall away through the month.
Can you still go to the beach in September?
Yes. September is one of the best months for swimming and beach days.
Where should I go in Greece in September?
The Peloponnese is excellent, with warm swimming, quiet beaches, ancient sites and walking.
Stay with us
Eleven sea-view suites, a spa and a breakfast built around local produce, a few minutes from Leonidio.
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