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September weather forecast in Porto

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

	759 mmHg		58%
	4.4 m/s		+19

31 August, Sunday. day, 24°; night, 19°; clear

1 September, mon

	760 mmHg		56%
	3.7 m/s		+19

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

2 September, tue

	760 mmHg		61%
	3.9 m/s		+19

2 September, Tuesday. day, 23°; night, 19°; partly cloudy

3 September, wed

	759 mmHg		61%
	4 m/s		+19

3 September, Wednesday. day, 23°; night, 18°; rain

4 September, thu

	759 mmHg		58%
	4.8 m/s		+19

4 September, Thursday. day, 23°; night, 19°; clear

5 September, fri

	759 mmHg		58%
	4.4 m/s		+19

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

6 September, sat

	758 mmHg		56%
	3.9 m/s		+19

6 September, Saturday. day, 25°; night, 19°; clear

7 September, sun

	759 mmHg		60%
	4.1 m/s		+19

7 September, Sunday. day, 23°; night, 18°; clear

8 September, mon

	759 mmHg		62%
	3.7 m/s		+19

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

9 September, tue

	759 mmHg		64%
	3.5 m/s		+19

9 September, Tuesday. day, 23°; night, 18°; clear

10 September, wed

	759 mmHg		64%
	3.7 m/s		+19

10 September, Wednesday. day, 23°; night, 18°; partly cloudy

11 September, thu

	759 mmHg		62%
	4.3 m/s		+19

11 September, Thursday. day, 23°; night, 18°; clear

12 September, fri

	760 mmHg		62%
	4.5 m/s		+19

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

13 September, sat

	759 mmHg		57%
	4.5 m/s		+19

13 September, Saturday. day, 23°; night, 18°; clear

14 September, sun

	758 mmHg		60%
	5.3 m/s		+19

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

15 September, mon

	756 mmHg		62%
	4.6 m/s		+19

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

16 September, tue

	757 mmHg		68%
	4.3 m/s		+18

16 September, Tuesday. day, 20°; night, 16°; clear

17 September, wed

	759 mmHg		69%
	4.5 m/s		+18

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

18 September, thu

	760 mmHg		62%
	3.4 m/s		+18

18 September, Thursday. day, 22°; night, 18°; clear

19 September, fri

	760 mmHg		55%
	3.9 m/s		+19

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

20 September, sat

	760 mmHg		56%
	3.5 m/s		+19

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

21 September, sun

	759 mmHg		67%
	3.2 m/s		+18

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

22 September, mon

	759 mmHg		68%
	3.5 m/s		+18

22 September, Monday. day, 21°; night, 18°; partly cloudy

23 September, tue

	759 mmHg		68%
	4 m/s		+19

23 September, Tuesday. day, 22°; night, 18°; clear

24 September, wed

	760 mmHg		63%
	4.3 m/s		+18

24 September, Wednesday. day, 21°; night, 17°; partly cloudy

25 September, thu

	759 mmHg		60%
	4 m/s		+18

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

26 September, fri

	759 mmHg		58%
	3.7 m/s		+18

26 September, Friday. day, 21°; night, 18°; clear

27 September, sat

	760 mmHg		60%
	4.3 m/s		+19

27 September, Saturday. day, 23°; night, 18°; clear

28 September, sun

	760 mmHg		60%
	3.7 m/s		+19

28 September, Sunday. day, 23°; night, 18°; clear

29 September, mon

	760 mmHg		62%
	4.8 m/s		+19

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

30 September, tue

	760 mmHg		60%
	3.7 m/s		+19

30 September, Tuesday. day, 22°; night, 18°; clear

1 October, wed

	760 mmHg		60%
	4.4 m/s		+19

1 October, Wednesday. day, 22°; night, 17°; clear

2 October, thu

	759 mmHg		67%
	5.5 m/s		+18

2 October, Thursday. day, 21°; night, 17°; clear

3 October, fri

	760 mmHg		70%
	4.6 m/s		+18

3 October, Friday. day, 20°; night, 16°; rain

4 October, sat

	760 mmHg		68%
	4.5 m/s		+18

4 October, Saturday. day, 20°; night, 17°; clear

Average data for 10 years

Porto September

24

sunny days

2

days with precipitation

4

cloudy days

24 sunny days; 2 days with precipitation; 4 cloudy days;

62

%

air humidity

2.7

m/s

WindNW

42

mm of precipitation

(4% of annual average)

+19

°C

Water temperature

air humidity 62%; 42 millimeters of precipitation (4% of annual average); Wind north-westerly 2.7 Meters per second; Water temperature +19°

Weather graphs for September

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

W

W

NW

NW

NW

NW

W

W

NW

S

NW

NW

NW

W

W

W

NW

N

NW

NW

W

S

W

NE

N

E

NE

NE

NW

NE

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
Oviedo
Xixón
Santiago de Compostela
Setúbal
Coruna
Vigo
Cascais
Aveiro

Cities with similar weather in September

Gagra
Istanbul
Pitsunda
The Sunny Beach
Pomorie
Marseilles
Nesebar
Sveti Vlas
Cannes

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

In September, the weather in Porto is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Porto has 24 sunny, 4 partly cloudy, and 2 rainy days in September. The rains are usually light. September as well as July and August is considered the most comfortable time to visit Porto.

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