Weather in Santorini in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youSeptember in Santorini is warm, with average highs of 26.5°C and lows of 22.0°C. It is very dry, with roughly 11.8 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Santorini — every month compared. Once you know when to go, find your Santorini packing list at 247PackingList.
Get ready for Santorini in September
Search flights to Santorini
Compare 100+ airlines for September — one search, best price.
Search Flights →Hot-weather travel clothing
Sun protection, lightweight layers and a reusable water bottle are essential here.
Check Price →What to pack for Santorini in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Compare all months in Santorini
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 14.1°C | 41.2mm | 10/10 |
| February | 14.4°C | 25.1mm | 10/10 |
| March | 14.8°C | 40.2mm | 10/10 |
| April | 18.3°C | 10.5mm | 10/10 |
| May | 22.2°C | 13.8mm | 10/10 |
| June | 26.0°C | 8.1mm | 10/10 |
| July | 28.9°C | 0.6mm | 10/10 |
| August | 28.9°C | 3.0mm | 10/10 |
| September | 26.5°C | 6.1mm | 10/10 |
| October | 22.7°C | 11.4mm | 10/10 |
| November | 19.4°C | 15.7mm | 10/10 |
| December | 16.5°C | 50.1mm | 10/10 |
Full month-by-month guide: best time to visit Santorini →
For facts about Greece — currency, language and dialling code — see our Greece country guide at 247CountryInfo. Travellers also find it useful to keep a Santorini travel guide to hand. Check clothing sizes in Greece before you shop.
Frequently Asked Questions
Is September a good time to visit Santorini?
September rates 10/10 for visiting Santorini — excellent time to visit. Expect average highs of 26.5°C, 6.1mm of rain across the month and about 11.8 hours of daily sunshine.
What is the temperature in Santorini in September?
In September, Santorini has average highs of 26.5°C (79.7°F) and average lows of 22.0°C (71.6°F).
Does it rain in Santorini in September?
Rarely. September is one of the driest times of year in Santorini, averaging only 6.1mm of rain.
What should I wear in Santorini in September?
For Santorini in September (26.5°C highs / 22.0°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts.
More essentials for Santorini in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.