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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Historical averages and packing recommendations for your September visit to Santorini.
"Still warm, crowds thinning — excellent time to visit"
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Santorini is the crown jewel of the Aegean Sea — a crescent-shaped caldera formed by one of history's largest volcanic eruptions. The famous blue-domed churches and whitewashed buildings of Oia and Fira cling dramatically to cliffs above the deep-blue sea. Cruise ships anchor in the caldera and ferry passengers ashore by tender boat to explore volcanic beaches, ancient ruins, and world-class restaurants.
Santorini in September offers pleasant temperatures, with highs around 81°F and comfortable lows near 69°F. Rain is uncommon, with only about 1 rainy days expected across the month — ideal for beach days and shore excursions. Still warm, crowds thinning — excellent time to visit
This is one of the most popular months to visit Santorini, so book shore excursions early — the top snorkeling spots and tours sell out fast. Lightweight layers work well: a light cardigan for evenings on deck and breathable tops for port days cover most conditions.
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The average high temperature in Santorini during September is 81°F, with a low of 69°F.
Santorini typically sees 1 days of rain in September. Still warm, crowds thinning — excellent time to visit
For a September cruise to Santorini, you should pack lightweight, breathable clothing, swimwear, and sun protection.