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September weather forecast in Santander

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

	762 mmHg		77%
	4.69 m/s		+24

31 August, Sunday. day, 22°; night, 17°; partly cloudy

1 September, mon

	762 mmHg		78%
	4.9 m/s		+24

1 September, Monday. day, 22°; night, 17°; overcast

2 September, tue

	762 mmHg		77%
	4.9 m/s		+24

2 September, Tuesday. day, 22°; night, 17°; partly cloudy

3 September, wed

	762 mmHg		78%
	4.6 m/s		+23

3 September, Wednesday. day, 22°; night, 17°; partly cloudy

4 September, thu

	762 mmHg		79%
	4.5 m/s		+24

4 September, Thursday. day, 22°; night, 17°; rain

5 September, fri

	762 mmHg		78%
	4.8 m/s		+24

5 September, Friday. day, 22°; night, 17°; clear

6 September, sat

	761 mmHg		77%
	4.6 m/s		+24

6 September, Saturday. day, 22°; night, 17°; partly cloudy

7 September, sun

	761 mmHg		77%
	4.9 m/s		+24

7 September, Sunday. day, 22°; night, 17°; clear

8 September, mon

	761 mmHg		77%
	4.69 m/s		+24

8 September, Monday. day, 23°; night, 17°; clear

9 September, tue

	762 mmHg		79%
	4.9 m/s		+23

9 September, Tuesday. day, 22°; night, 17°; partly cloudy

10 September, wed

	762 mmHg		79%
	4.69 m/s		+24

10 September, Wednesday. day, 22°; night, 17°; clear

11 September, thu

	762 mmHg		81%
	5 m/s		+23

11 September, Thursday. day, 22°; night, 17°; rain

12 September, fri

	762 mmHg		80%
	5 m/s		+24

12 September, Friday. day, 21°; night, 16°; rain

13 September, sat

	762 mmHg		78%
	5.2 m/s		+21

13 September, Saturday. day, 22°; night, 16°; rain

14 September, sun

	762 mmHg		76%
	5.7 m/s		+23

14 September, Sunday. day, 21°; night, 16°; partly cloudy

15 September, mon

	761 mmHg		78%
	5.1 m/s		+22

15 September, Monday. day, 21°; night, 16°; clear

16 September, tue

	760 mmHg		79%
	4.9 m/s		+21

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

17 September, wed

	760 mmHg		77%
	5.2 m/s		+22

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

18 September, thu

	760 mmHg		76%
	5.1 m/s		+22

18 September, Thursday. day, 21°; night, 16°; rain

19 September, fri

	761 mmHg		77%
	5.3 m/s		+22

19 September, Friday. day, 21°; night, 16°; clear

20 September, sat

	761 mmHg		78%
	4.4 m/s		+23

20 September, Saturday. day, 22°; night, 16°; clear

21 September, sun

	761 mmHg		80%
	4.6 m/s		+22

21 September, Sunday. day, 21°; night, 16°; rain

22 September, mon

	761 mmHg		80%
	4.9 m/s		+23

22 September, Monday. day, 21°; night, 16°; rain

23 September, tue

	761 mmHg		78%
	4.8 m/s		+23

23 September, Tuesday. day, 21°; night, 16°; partly cloudy

24 September, wed

	761 mmHg		78%
	5.1 m/s		+22

24 September, Wednesday. day, 20°; night, 15°; rain

25 September, thu

	762 mmHg		78%
	5.4 m/s		+22

25 September, Thursday. day, 20°; night, 15°; rain

26 September, fri

	762 mmHg		77%
	4.8 m/s		+23

26 September, Friday. day, 20°; night, 15°; clear

27 September, sat

	763 mmHg		78%
	4.9 m/s		+23

27 September, Saturday. day, 20°; night, 15°; partly cloudy

28 September, sun

	762 mmHg		79%
	4.6 m/s		+23

28 September, Sunday. day, 21°; night, 15°; clear

29 September, mon

	761 mmHg		80%
	4.5 m/s		+23

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

30 September, tue

	761 mmHg		80%
	4.69 m/s		+22

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

1 October, wed

	761 mmHg		79%
	5.2 m/s		+22

1 October, Wednesday. day, 21°; night, 16°; rain

2 October, thu

	761 mmHg		79%
	5.7 m/s		+23

2 October, Thursday. day, 20°; night, 15°; rain

3 October, fri

	762 mmHg		78%
	5.2 m/s		+22

3 October, Friday. day, 20°; night, 15°; partly cloudy

4 October, sat

	762 mmHg		80%
	5.4 m/s		+22

4 October, Saturday. day, 20°; night, 15°; clear

Average data for 10 years

Santander September

10

sunny days

12

days with precipitation

5

cloudy days

10 sunny days; 12 days with precipitation; 5 cloudy days;

78

%

air humidity

3

m/s

WindS

81

mm of precipitation

(8% of annual average)

+23

°C

Water temperature

air humidity 78%; 81 millimeters of precipitation (8% of annual average); Wind southerly 3 Meters per second; Water temperature +23°

Weather graphs for September

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

SE

SE

S

S

S

S

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
Xixón
Bordeaux
Oviedo
San Sebastian
Biarritz
Zaragoza
Burgos

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 Santander is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Santander has 12 rainy, 10 sunny, 7 partly cloudy, and 1 cloudy day in September. The rains are usually heavy.

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