Santorini · September
Best travel monthTravel seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 15° | 16° | 17° | 20° | 24° | 28° | 31° | 31° | 28° | 24° | 20° | 17° |
MINMIN | 11° | 11° | 12° | 14° | 17° | 22° | 24° | 25° | 22° | 18° | 15° | 12° |
☀️Sunshine | 5h | 6h | 8h | 9h | 10h | 12h | 12h | 11h | 10h | 8h | 6h | 5h |
🌊Water Temp | 17° | 17° | 17° | 18° | 20° | 23° | 25° | 26° | 25° | 23° | 21° | 19° |
🌧Rain Days | 5d45mm | 4d33mm | 2d17mm | 1d7mm | 0d3mm | 0d1mm | 0d0mm | 0d0mm | 0d2mm | 1d8mm | 2d20mm | 4d39mm |
Best travel time current monthMonthly averages 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is among the best months in Santorini: only 0 rain days, 27°C highs, and good sunshine make for ideal holiday conditions.
Daytime temperatures reach up to 27°C, cooling to 22°C at night (daily average: 24°C). With 9 sunshine hours per day, September is one of the sunniest months — 2 mm of rain over 0 days. Sea temperature is 25°C — pleasantly warm for long swim sessions.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in September are ideal.
Die goldene Nachsaison: Das Meerwasser hat jetzt seine Jahreshöchsttemperatur, die Kreuzfahrtsaison läuft aus, die Atmosphäre in den Caldera-Bars wird intimer. Oktober ist für viele Santorini-Kenner schlicht der beste Monat.
Packing list for Santorini in September
- T-Shirts und kurze Hosen
- Badezeug und Strandtuch
- Sonnencreme LSF 50
- Sonnenbrille
- Sonnenhut
- Reiseapotheke
Frequently Asked Questions
- Is September a good time to visit Santorini?
- Yes — September is one of the best months to visit Santorini (Climate Score: 90/100). Pleasant temperatures (27°C), good sunshine (9 h/day), and few rain days (0) make it one of the most recommended months.
- How warm is it in Santorini in September?
- In September, Santorini sees daily highs of 27°C. Nights cool to 22°C, with a daily average of 24°C.
- How much rain falls in Santorini in September?
- In September, Santorini receives an average of 2 mm of rain over 0 rain days. That is comparatively dry.
- How many sunshine hours does Santorini get in September?
- Santorini averages 9 sunshine hours per day in September — above the annual average.
- How warm is the water in Santorini in September?
- Water temperature in Santorini in September averages 25°C — pleasantly warm for swim sessions.
