14-day forecast — Santorini
Updated every hour
Fri · Today · 30 Oct
Showers
20°
19°
0.8 mm
Sat · Tomorrow · 31 Oct
Showers
20°
19°
3.5 mm
Sunday · 1 Nov
Cloudy
21°
19°
1.8 mm
Monday · 2 Nov
Sunny
20°
17°
11.9 mm
Tuesday · 3 Nov
Sunny
21°
19°
2.9 mm
Wednesday · 4 Nov
Sunny
20°
18°
11%
Thursday · 5 Nov
Sunny intervals
18°
17°
13%
Friday · 6 Nov
Sunny intervals
17°
16°
12%
Saturday · 7 Nov
Sunny
17°
16°
6%
Sunday · 8 Nov
Sunny intervals
18°
16°
1.2 mm
Monday · 9 Nov
Cloudy
19°
18°
0.6 mm
Tuesday · 10 Nov
Showers
19°
18°
1.9 mm
Wednesday · 11 Nov
Showers
19°
17°
0.8 mm
Thursday · 12 Nov
Sunny
19°
17°
10%
About Santorini
The caldera sunsets of Oia, black-sand beaches and whitewashed villages perched on volcanic cliffs.
CountryGreece
RegionCyclades
ContinentEurope
Time zoneEurope/Athens (+02:00)
Latitude36.3932°
Longitude25.4615°
Air qualityFair (EAQI 21)
Climate in Santorini in September
Averages over 8 years · best time to visitBest time to visit Santorini: March–November. With perfect weather, September is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 27°C | 25°C | ▼ 21°C |
| Highest temperature | ▼ 30°C | 27°C | ▼ 23°C |
| Lowest temperature | ▼ 25°C | 23°C | ▼ 19°C |
| Sea temperature | ▼ 25,9°C | 25,0°C | ▼ 22,9°C |
| Rainfall | ▲ 3 mm | 6 mm | ▲ 12 mm |
| Days with rain | → 1 d | 1 d | ▲ 2 d |
| Humidity | ▼ 64% | 62% | ▲ 65% |
| Sunshine hours per day | ▼ 12,9 h | 11,8 h | ▼ 10,1 h |
| Cloud cover | ▲ 4% | 5% | ▲ 10% |
| UV index (midday) | ▼ 10 | 8 | ▼ 6 |
| Day length | 13:30 | 12:24 | 11:15 |
| Our rating | Perfect | Perfect | Perfect |
Temperature day by day in September mean + moving average
Rainfall day by day in September mm
UV index day by day in September midday value, clear-sky
Climate averages calculated from the ERA5 archive (8 years; sea temperature from marine reanalysis). UV estimated from solar elevation.
Other destinations in Europe
Data source
Global weather models — international forecasts
The weather for Santorini is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from the UK, local time is shown above.