Santorini in September: weather, sea & travel advice
Santorini in September is especially suited to beach holidays, family holidays, city breaks and active holidays and hiking. Days are around 25 °C (warm), and the sea is about 24 °C. With about 2 rainy days it is very dry.
Santorini · SeptemberPhoto: Carl Rottmann · PDM-ownerClimate facts
- Day
- 25 °C
- Night
- 23 °C
- Sea
- 24 °C
- Rainy days
- 2 rainy days
- Sun
- 7 h/day
- Humidity
- 73 %
Suitability by travel type
BeachExcellent97/100
City breakExcellent96/100
ActiveExcellent84/100
FamilyExcellent97/100
In favour
- Pleasant daytime temperatures around 25 °C
- Little rain (about 2 rainy days)
- Warm, swimmable sea (24 °C)
To consider
- No significant drawbacks.
All months at a glance
15J
15F
16M
18A
21M
25J
27J
27A
25S
22O
19N
16D
7J
6F
4M
2A
1M
0J
0J
0A
2S
4O
6N
8D
Similar destinations in September
Frequently asked questions
How warm is Santorini in September?
Daytime highs average around 25 °C, with nights around 23 °C.
Can you swim in Santorini in September?
The sea is about 24 °C (swimmable).
Does it rain a lot in Santorini in September?
On the long-term average, expect about 2 rainy days.
When is the best time to visit Santorini?
The most favourable months are usually the ones highlighted on the overview page. Values are historical averages, not a forecast.