14-day forecast — Saint-Sébastien Updated every hour
Sat · Today · 12 Sep
Clear
+24°
+12°
10%
Sun · Tomorrow · 13 Sep
Clear
+26°
+13°
7%
Monday · 14 Sep
Clear
+31°
+15°
2%
Tuesday · 15 Sep
Clear
+26°
+18°
0,9 mm
Wednesday · 16 Sep
Showers
+19°
+14°
5,7 mm
Thursday · 17 Sep
Showers
+19°
+13°
2,9 mm
Friday · 18 Sep
Partly cloudy
+20°
+13°
27%
Saturday · 19 Sep
Clear
+26°
+12°
6%
Sunday · 20 Sep
Clear
+32°
+16°
2%
Monday · 21 Sep
Clear
+33°
+18°
1,5 mm
Tuesday · 22 Sep
Showers
+18°
+13°
78,6 mm
Wednesday · 23 Sep
Clear
+23°
+11°
0,1 mm
Thursday · 24 Sep
Clear
+22°
+15°
3,3 mm
Friday · 25 Sep
Showers
+18°
+15°
2,0 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 Fair (EAQI 32)
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 +22°, clear, vent 7 km/h. Sur les 7 prochains jours, les températures varient de 12 à 31 °C avec 5 belles journées et 10 mm de pluie. Heure locale (fuseau Europe/Madrid). Données Open-Meteo et WeatherAPI.