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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

27

+23

+20

27 August, sun

+23

+20

Feels like

+23

	764 mmHg		62%
	3.7 m/s		+19

27 August, Sunday. day, 23°; night, 20°; clear

28

+25

+20

28 August, mon

+25

+20

Feels like

+25

	763 mmHg		56%
	3.9 m/s		+19

28 August, Monday. day, 25°; night, 20°; clear

29

+26

+20

29 August, tue

+26

+20

Feels like

+25

	763 mmHg		52%
	3.9 m/s		+19

29 August, Tuesday. day, 26°; night, 20°; clear

30

+25

+19

30 August, wed

+25

+19

Feels like

+24

	762 mmHg		57%
	4.3 m/s		+19

30 August, Wednesday. day, 25°; night, 19°; clear

31

+24

+19

31 August, thu

+24

+19

Feels like

+23

	764 mmHg		58%
	4.4 m/s		+19

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

1

+24

+19

1 September, fri

+24

+19

Feels like

+23

	764 mmHg		56%
	3.7 m/s		+19

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

2

+23

+19

2 September, sat

+23

+19

Feels like

+23

	764 mmHg		61%
	3.9 m/s		+19

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

3

+23

+18

3 September, sun

+23

+18

Feels like

+23

	764 mmHg		61%
	4 m/s		+19

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

4

+23

+19

4 September, mon

+23

+19

Feels like

+23

	764 mmHg		58%
	4.8 m/s		+19

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

5

+24

+19

5 September, tue

+24

+19

Feels like

+24

	763 mmHg		58%
	4.4 m/s		+19

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

6

+25

+19

6 September, wed

+25

+19

Feels like

+24

	763 mmHg		56%
	3.9 m/s		+19

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

7

+23

+18

7 September, thu

+23

+18

Feels like

+22

	764 mmHg		60%
	4.1 m/s		+19

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

8

+22

+18

8 September, fri

+22

+18

Feels like

+22

	764 mmHg		62%
	3.7 m/s		+19

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

9

+23

+18

9 September, sat

+23

+18

Feels like

+23

	764 mmHg		64%
	3.5 m/s		+19

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

10

+23

+18

10 September, sun

+23

+18

Feels like

+23

	764 mmHg		64%
	3.7 m/s		+19

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

11

+23

+18

11 September, mon

+23

+18

Feels like

+23

	764 mmHg		62%
	4.3 m/s		+19

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

12

+23

+19

12 September, tue

+23

+19

Feels like

+23

	764 mmHg		62%
	4.5 m/s		+19

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

13

+23

+18

13 September, wed

+23

+18

Feels like

+23

	764 mmHg		57%
	4.5 m/s		+19

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

14

+22

+18

14 September, thu

+22

+18

Feels like

+21

	762 mmHg		60%
	5.3 m/s		+19

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

15

+21

+17

15 September, fri

+21

+17

Feels like

+20

	760 mmHg		62%
	4.6 m/s		+19

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

16

+20

+16

16 September, sat

+20

+16

Feels like

+20

	762 mmHg		68%
	4.3 m/s		+18

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

17

+20

+17

17 September, sun

+20

+17

Feels like

+19

	763 mmHg		69%
	4.5 m/s		+18

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

18

+22

+18

18 September, mon

+22

+18

Feels like

+22

	764 mmHg		62%
	3.4 m/s		+18

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

19

+24

+19

19 September, tue

+24

+19

Feels like

+23

	764 mmHg		55%
	3.9 m/s		+19

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

20

+23

+18

20 September, wed

+23

+18

Feels like

+22

	764 mmHg		56%
	3.5 m/s		+19

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

21

+21

+17

21 September, thu

+21

+17

Feels like

+21

	764 mmHg		67%
	3.2 m/s		+18

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

22

+21

+18

22 September, fri

+21

+18

Feels like

+21

	763 mmHg		68%
	3.5 m/s		+18

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

23

+22

+18

23 September, sat

+22

+18

Feels like

+22

	763 mmHg		68%
	4 m/s		+19

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

24

+21

+17

24 September, sun

+21

+17

Feels like

+21

	764 mmHg		63%
	4.3 m/s		+18

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

25

+22

+17

25 September, mon

+22

+17

Feels like

+20

	763 mmHg		60%
	4 m/s		+18

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

26

+21

+18

26 September, tue

+21

+18

Feels like

+20

	764 mmHg		58%
	3.7 m/s		+18

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

27

+23

+18

27 September, wed

+23

+18

Feels like

+22

	764 mmHg		60%
	4.3 m/s		+19

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

28

+23

+18

28 September, thu

+23

+18

Feels like

+23

	764 mmHg		60%
	3.7 m/s		+19

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

29

+22

+18

29 September, fri

+22

+18

Feels like

+22

	764 mmHg		62%
	4.8 m/s		+19

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

30

+22

+18

30 September, sat

+22

+18

Feels like

+22

	765 mmHg		60%
	3.7 m/s		+19

30 September, Saturday. day, 22°; night, 18°; 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, Portugal
Coruna, Spain
Vigo, Spain
Oviedo, Spain
Cascais, Portugal
Leon, Spain
Santiago de Compostela, Spain
Xixón, Spain
Salamanca, Spain

Cities with similar weather in September

Gagra, Abkhazia
Istanbul, Turkey
Pitsunda, Abkhazia
The Sunny Beach, Bulgaria
Pomorie, Bulgaria
Marseilles, France
Nesebar, Bulgaria
Sveti Vlas, Bulgaria
Cannes, France

The weather forecast for September 2023 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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