14-day forecast — Saint-Sébastien Updated every hour
Sun · Today · 14 Jun
Clear
+30°
+17°
3%
Mon · Tomorrow · 15 Jun
Partly cloudy
+24°
+15°
0,2 mm
Tuesday · 16 Jun
Showers
+24°
+14°
0,3 mm
Wednesday · 17 Jun
Showers
+29°
+16°
2,4 mm
Thursday · 18 Jun
Showers
+31°
+16°
0,7 mm
Friday · 19 Jun
Showers
+28°
+17°
1,6 mm
Saturday · 20 Jun
Showers
+30°
+19°
1,1 mm
Sunday · 21 Jun
Showers
+25°
+19°
2,7 mm
Monday · 22 Jun
Showers
+25°
+18°
1,3 mm
Tuesday · 23 Jun
Fog
+25°
+17°
25%
Wednesday · 24 Jun
Clear
+27°
+16°
11%
Thursday · 25 Jun
Showers
+20°
+17°
4,3 mm
Friday · 26 Jun
Heavy rain
+17°
+16°
23,0 mm
Saturday · 27 Jun
Showers
+22°
+16°
0,6 mm
About Saint-Sébastien
Élégante baie basque, plages urbaines et climat tempéré océanique.
Country Spain
Region Pays basque
Continent Europe
Time zone Europe/Madrid (+02:00)
Latitude 43.3183°
Longitude -1.9812°
Air quality Good (EAQI 20)
Climate in Saint-Sébastien in September
Normals 8 years · best time to visit · Open-Meteo
Best time to visit Saint-Sébastien : June–September . With good weather, September is a recommended month to visit.
August
September
October
Average temperature
▼ 21°C19°C ▼ 17°C
Highest temperature
▼ 25°C23°C ▼ 21°C
Lowest temperature
▼ 18°C16°C ▼ 14°C
Sea temperature
▼ 23,1°C21,3°C ▼ 19,2°C
Precipitation
▲ 105 mm120 mm ▲ 155 mm
Days with precipitation
→ 13 d13 d ▲ 14 d
Humidity
▼ 82%81% ▼ 80%
Sunshine hours per day
▼ 10,7 h9,8 h ▼ 7,4 h
Cloud cover
▼ 23%22% ▲ 33%
UV index (midday)
▼ 97 ▼ 5
Day length
13:55
12:30 11:01
Our rating
Good
Good
Acceptable
Temperature day by day in September mean + moving average
15° 17° 19° 21° 23° 1 6 11 16 21 26
Precipitation day by day in September mm
0 5.2 10.4 1 6 11 16 21 26
UV index day by day in September midday value, clear-sky
0 5.5 11 1 6 11 16 21 26
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europe
Data source
Global weather models — international forecasts
Météo de Saint-Sébastien (Spain) : conditions actuelles et prévisions à 24 h et 14 jours pour préparer votre voyage. Sur place actuellement, il fait +24°, clear, vent 4 km/h. Sur les 7 prochains jours, les températures varient de 14 à 31 °C avec 2 belles journées et 6 mm de pluie. Heure locale (fuseau Europe/Madrid). Données Open-Meteo et WeatherAPI.