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September weather forecast in Cascais

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

1 September, sun

	760 mmHg		62%
	5.5 m/s		+20

1 September, Sunday. day, 24°; night, 19°; clear

2 September, mon

	760 mmHg		66%
	6.3 m/s		+20

2 September, Monday. day, 24°; night, 20°; clear

3 September, tue

	759 mmHg		64%
	6 m/s		+20

3 September, Tuesday. day, 23°; night, 19°; clear

4 September, wed

	759 mmHg		66%
	5.8 m/s		+20

4 September, Wednesday. day, 24°; night, 20°; clear

5 September, thu

	759 mmHg		68%
	6.5 m/s		+20

5 September, Thursday. day, 24°; night, 20°; rain

6 September, fri

	758 mmHg		62%
	5.6 m/s		+20

6 September, Friday. day, 24°; night, 19°; clear

7 September, sat

	759 mmHg		68%
	6.1 m/s		+20

7 September, Saturday. day, 23°; night, 19°; clear

8 September, sun

	759 mmHg		70%
	5.6 m/s		+20

8 September, Sunday. day, 22°; night, 19°; clear

9 September, mon

	759 mmHg		75%
	5.6 m/s		+20

9 September, Monday. day, 22°; night, 19°; clear

10 September, tue

	759 mmHg		75%
	5.6 m/s		+20

10 September, Tuesday. day, 23°; night, 20°; clear

11 September, wed

	759 mmHg		72%
	5.9 m/s		+20

11 September, Wednesday. day, 23°; night, 19°; clear

12 September, thu

	760 mmHg		68%
	6.4 m/s		+20

12 September, Thursday. day, 24°; night, 19°; clear

13 September, fri

	759 mmHg		68%
	6.5 m/s		+20

13 September, Friday. day, 23°; night, 19°; clear

14 September, sat

	758 mmHg		66%
	7.1 m/s		+20

14 September, Saturday. day, 22°; night, 19°; clear

15 September, sun

	756 mmHg		68%
	7.1 m/s		+20

15 September, Sunday. day, 22°; night, 18°; clear

16 September, mon

	758 mmHg		72%
	7.3 m/s		+20

16 September, Monday. day, 21°; night, 18°; clear

17 September, tue

	759 mmHg		73%
	6.8 m/s		+20

17 September, Tuesday. day, 21°; night, 18°; clear

18 September, wed

	760 mmHg		67%
	5.6 m/s		+20

18 September, Wednesday. day, 23°; night, 18°; clear

19 September, thu

	760 mmHg		64%
	5.5 m/s		+20

19 September, Thursday. day, 24°; night, 19°; clear

20 September, fri

	760 mmHg		68%
	5 m/s		+20

20 September, Friday. day, 23°; night, 18°; clear

21 September, sat

	760 mmHg		69%
	4.8 m/s		+20

21 September, Saturday. day, 22°; night, 19°; clear

22 September, sun

	759 mmHg		70%
	5.5 m/s		+20

22 September, Sunday. day, 22°; night, 19°; partly cloudy

23 September, mon

	759 mmHg		70%
	5.3 m/s		+20

23 September, Monday. day, 22°; night, 19°; clear

24 September, tue

	760 mmHg		70%
	4.6 m/s		+20

24 September, Tuesday. day, 22°; night, 19°; clear

25 September, wed

	759 mmHg		68%
	6.3 m/s		+20

25 September, Wednesday. day, 22°; night, 18°; partly cloudy

26 September, thu

	759 mmHg		66%
	5.6 m/s		+20

26 September, Thursday. day, 22°; night, 19°; rain

27 September, fri

	759 mmHg		66%
	5.5 m/s		+20

27 September, Friday. day, 22°; night, 19°; clear

28 September, sat

	759 mmHg		64%
	5.5 m/s		+20

28 September, Saturday. day, 23°; night, 20°; clear

29 September, sun

	760 mmHg		69%
	6.5 m/s		+20

29 September, Sunday. day, 22°; night, 19°; clear

30 September, mon

	760 mmHg		68%
	6 m/s		+20

30 September, Monday. day, 23°; night, 19°; clear

1 October, tue

	760 mmHg		67%
	5.9 m/s		+20

1 October, Tuesday. day, 23°; night, 19°; clear

2 October, wed

	760 mmHg		72%
	6.6 m/s		+20

2 October, Wednesday. day, 22°; night, 18°; clear

3 October, thu

	760 mmHg		72%
	6.5 m/s		+20

3 October, Thursday. day, 21°; night, 18°; rain

4 October, fri

	760 mmHg		67%
	6.5 m/s		+20

4 October, Friday. day, 21°; night, 18°; clear

5 October, sat

	759 mmHg		68%
	5.5 m/s		+20

5 October, Saturday. day, 22°; night, 18°; rain

Average data for 10 years

Cascais September

26

sunny days

2

days with precipitation

2

cloudy days

26 sunny days; 2 days with precipitation; 2 cloudy days;

68

%

air humidity

4.4

m/s

WindNW

33

mm of precipitation

(6% of annual average)

+20

°C

Water temperature

air humidity 68%; 33 millimeters of precipitation (6% of annual average); Wind north-westerly 4.4 Meters per second; Water temperature +20°

Weather graphs for September

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

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

N

N

NW

NW

NW

NW

NW

NW

NW

N

N

N

NW

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

Lisbon
Porto
Seville
Cadiz
Figueira da foz
Albufeira
Sintra
Faro
Braga

Cities with similar weather in September

The Sunny Beach
Marseilles
Nesebar
Sveti Vlas
Cannes
Pula
Sozopol
Primorsko
Poreč

The weather forecast for September 2024 is based on historical data from the past 10 years.

In September, the weather in Cascais is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Cascais has 26 sunny, 2 rainy, and 2 partly cloudy days in September. The rains are usually heavy. September as well as June, July, and August is considered the most comfortable time to visit Cascais.

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