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September weather forecast in Santillana del Mar

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

31 August, sun

	764 mmHg		77%
	5.1 m/s		+21

31 August, Sunday. day, 22°; night, 18°; partly cloudy

1 September, mon

	764 mmHg		78%
	5.2 m/s		+21

1 September, Monday. day, 21°; night, 18°; overcast

2 September, tue

	764 mmHg		77%
	5.2 m/s		+21

2 September, Tuesday. day, 21°; night, 17°; partly cloudy

3 September, wed

	764 mmHg		78%
	4.8 m/s		+21

3 September, Wednesday. day, 21°; night, 18°; partly cloudy

4 September, thu

	763 mmHg		79%
	4.8 m/s		+21

4 September, Thursday. day, 21°; night, 18°; rain

5 September, fri

	764 mmHg		78%
	5 m/s		+21

5 September, Friday. day, 21°; night, 18°; rain

6 September, sat

	763 mmHg		77%
	4.9 m/s		+21

6 September, Saturday. day, 21°; night, 17°; partly cloudy

7 September, sun

	763 mmHg		77%
	5.2 m/s		+22

7 September, Sunday. day, 21°; night, 18°; clear

8 September, mon

	763 mmHg		77%
	5 m/s		+21

8 September, Monday. day, 22°; night, 18°; clear

9 September, tue

	763 mmHg		79%
	5.2 m/s		+21

9 September, Tuesday. day, 22°; night, 18°; rain

10 September, wed

	764 mmHg		79%
	5 m/s		+21

10 September, Wednesday. day, 22°; night, 18°; clear

11 September, thu

	763 mmHg		81%
	5.4 m/s		+21

11 September, Thursday. day, 21°; night, 17°; rain

12 September, fri

	764 mmHg		79%
	5.3 m/s		+21

12 September, Friday. day, 21°; night, 17°; rain

13 September, sat

	764 mmHg		78%
	5.6 m/s		+20

13 September, Saturday. day, 21°; night, 17°; rain

14 September, sun

	764 mmHg		75%
	6.1 m/s		+20

14 September, Sunday. day, 20°; night, 17°; rain

15 September, mon

	763 mmHg		77%
	5.4 m/s		+20

15 September, Monday. day, 21°; night, 17°; clear

16 September, tue

	762 mmHg		79%
	5.1 m/s		+20

16 September, Tuesday. day, 21°; night, 17°; rain

17 September, wed

	762 mmHg		76%
	5.5 m/s		+20

17 September, Wednesday. day, 20°; night, 17°; overcast

18 September, thu

	762 mmHg		76%
	5.3 m/s		+20

18 September, Thursday. day, 20°; night, 17°; rain

19 September, fri

	763 mmHg		76%
	5.8 m/s		+20

19 September, Friday. day, 20°; night, 16°; clear

20 September, sat

	763 mmHg		77%
	4.69 m/s		+20

20 September, Saturday. day, 21°; night, 16°; clear

21 September, sun

	762 mmHg		79%
	5 m/s		+21

21 September, Sunday. day, 21°; night, 17°; rain

22 September, mon

	763 mmHg		80%
	5.2 m/s		+20

22 September, Monday. day, 20°; night, 16°; rain

23 September, tue

	762 mmHg		77%
	5.1 m/s		+20

23 September, Tuesday. day, 20°; night, 17°; partly cloudy

24 September, wed

	763 mmHg		78%
	5.4 m/s		+20

24 September, Wednesday. day, 20°; night, 16°; rain

25 September, thu

	764 mmHg		77%
	5.7 m/s		+19

25 September, Thursday. day, 19°; night, 16°; rain

26 September, fri

	764 mmHg		76%
	5.1 m/s		+20

26 September, Friday. day, 20°; night, 16°; clear

27 September, sat

	764 mmHg		77%
	5.1 m/s		+20

27 September, Saturday. day, 20°; night, 16°; partly cloudy

28 September, sun

	764 mmHg		79%
	4.8 m/s		+20

28 September, Sunday. day, 20°; night, 16°; clear

29 September, mon

	763 mmHg		79%
	4.8 m/s		+20

29 September, Monday. day, 20°; night, 16°; clear

30 September, tue

	763 mmHg		79%
	5 m/s		+20

30 September, Tuesday. day, 20°; night, 16°; partly cloudy

1 October, wed

	763 mmHg		79%
	5.4 m/s		+20

1 October, Wednesday. day, 20°; night, 16°; rain

2 October, thu

	763 mmHg		79%
	6.1 m/s		+19

2 October, Thursday. day, 20°; night, 16°; rain

3 October, fri

	764 mmHg		77%
	5.4 m/s		+19

3 October, Friday. day, 19°; night, 15°; partly cloudy

4 October, sat

	764 mmHg		79%
	5.7 m/s		+20

4 October, Saturday. day, 19°; night, 15°; clear

Average data for 10 years

Santillana del Mar September

9

sunny days

13

days with precipitation

5

cloudy days

9 sunny days; 13 days with precipitation; 5 cloudy days;

78

%

air humidity

3.2

m/s

WindS

94

mm of precipitation

(8% of annual average)

+20

°C

Water temperature

air humidity 78%; 94 millimeters of precipitation (8% of annual average); Wind southerly 3.2 Meters per second; Water temperature +20°

Weather graphs for September

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SE

SE

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

SE

S

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Madrid
Bilbao
Bordeaux
Oviedo
Zaragoza
Burgos
San Sebastian
Xixón
Pamplona

Cities with similar weather in September

San Francisco
Podgorica
Genoa
Boston
Seattle
Lima
Brisbane
Albena
San Remo

The weather forecast for September 2025 is based on historical data from the past 10 years.

In September, the weather in Santillana del Mar is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Santillana del Mar has 13 rainy, 9 sunny, 6 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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