World Resorts

Spain

San Sebastian Weather

San Sebastian 14 Days Forecast

19.09
sat

Day

68°F

S 2 mph

Precip.
6%

Night

55°F

N 2 mph

Precip.
19%

20.09
sun

Day

72°F

S 4 mph

Precip.
2%

Night

57°F

N 3 mph

Precip.
30%

21.09
mon

Day

73°F

S 4 mph

Precip.
2%

Night

59°F

N 4 mph

Precip.
9%

22.09
tue

Day

72°F

SE 5 mph

Precip.
8%

Night

57°F

N 5 mph

Precip.
1%

23.09
wed

Day

77°F

S 4 mph

Precip.
1%

Night

63°F

N 4 mph

Precip.
9%

24.09
thu

Day

82°F

NW 3 mph

Precip.
1%

Night

66°F

N 4 mph

Precip.
5%

25.09
fri

Day

81°F

NW 2 mph

Precip.
1%

Night

66°F

N 5 mph

Precip.
14%

26.09
sat

Day

81°F

NW 2 mph

Precip.
2%

Night

63°F

N 2 mph

Precip.
11%

27.09
sun

Day

79°F

W 2 mph

Precip.
2%

Night

64°F

N 4 mph

Precip.
5%

28.09
mon

Day

77°F

N 9 mph

Precip.
4%

Night

72°F

N 14 mph

Precip.
8%

29.09
tue

Day

64°F

NW 4 mph

Precip.
60%

Night

63°F

NW 3 mph

Precip.
61%

30.09
wed

Day

70°F

N 2 mph

Precip.
22%

Night

64°F

NE 2 mph

Precip.
28%

01.10
thu

Day

72°F

SW 2 mph

Precip.
12%

Night

63°F

NE 2 mph

Precip.
54%

02.10
fri

Day

64°F

SE 2 mph

Precip.
59%

Night

59°F

E 2 mph

Precip.
42%

sea water
temperature

San Sebastian

monthly
weather

San Sebastian

current
weather

San Sebastian

7 days
forecast

San Sebastian

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in September of 2026 was 72.9°F. The highest and lowest sea temperatures during the month were 73.8°F and 71.4°F.

Show year:

2025

2024

2023

The average sea water temperature in October of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 68.7°F and 63.7°F.