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September weather forecast in Portofino

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

	721 mmHg		76%
	3.5 m/s		+24

31 August, Sunday. day, 23°; night, 16°; rain

1 September, mon

	721 mmHg		76%
	3.6 m/s		+24

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

2 September, tue

	722 mmHg		76%
	3.2 m/s		+24

2 September, Tuesday. day, 22°; night, 16°; partly cloudy

3 September, wed

	722 mmHg		76%
	3.5 m/s		+24

3 September, Wednesday. day, 22°; night, 16°; rain

4 September, thu

	722 mmHg		77%
	3.5 m/s		+23

4 September, Thursday. day, 22°; night, 16°; rain

5 September, fri

	721 mmHg		72%
	3.8 m/s		+23

5 September, Friday. day, 22°; night, 16°; clear

6 September, sat

	721 mmHg		72%
	3.5 m/s		+23

6 September, Saturday. day, 22°; night, 15°; clear

7 September, sun

	721 mmHg		75%
	3.5 m/s		+23

7 September, Sunday. day, 22°; night, 16°; partly cloudy

8 September, mon

	721 mmHg		77%
	3.3 m/s		+23

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

9 September, tue

	721 mmHg		74%
	3.3 m/s		+23

9 September, Tuesday. day, 22°; night, 15°; clear

10 September, wed

	721 mmHg		72%
	3.2 m/s		+23

10 September, Wednesday. day, 22°; night, 15°; clear

11 September, thu

	721 mmHg		73%
	3.3 m/s		+23

11 September, Thursday. day, 22°; night, 15°; clear

12 September, fri

	721 mmHg		74%
	3.4 m/s		+23

12 September, Friday. day, 22°; night, 15°; rain

13 September, sat

	721 mmHg		72%
	3.8 m/s		+22

13 September, Saturday. day, 21°; night, 15°; clear

14 September, sun

	720 mmHg		76%
	4.3 m/s		+22

14 September, Sunday. day, 20°; night, 15°; rain

15 September, mon

	721 mmHg		78%
	3.8 m/s		+22

15 September, Monday. day, 20°; night, 15°; rain

16 September, tue

	720 mmHg		79%
	3.7 m/s		+22

16 September, Tuesday. day, 20°; night, 14°; rain

17 September, wed

	719 mmHg		77%
	3.9 m/s		+22

17 September, Wednesday. day, 20°; night, 14°; partly cloudy

18 September, thu

	720 mmHg		80%
	3.9 m/s		+22

18 September, Thursday. day, 20°; night, 14°; rain

19 September, fri

	720 mmHg		77%
	3.8 m/s		+21

19 September, Friday. day, 20°; night, 14°; rain

20 September, sat

	721 mmHg		76%
	3.7 m/s		+22

20 September, Saturday. day, 20°; night, 14°; clear

21 September, sun

	722 mmHg		78%
	3.3 m/s		+22

21 September, Sunday. day, 20°; night, 14°; partly cloudy

22 September, mon

	721 mmHg		77%
	3.3 m/s		+22

22 September, Monday. day, 20°; night, 14°; partly cloudy

23 September, tue

	721 mmHg		78%
	3.4 m/s		+21

23 September, Tuesday. day, 19°; night, 13°; overcast

24 September, wed

	720 mmHg		77%
	3.6 m/s		+21

24 September, Wednesday. day, 19°; night, 13°; overcast

25 September, thu

	720 mmHg		76%
	3.9 m/s		+21

25 September, Thursday. day, 19°; night, 13°; rain

26 September, fri

	721 mmHg		74%
	4.1 m/s		+21

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

27 September, sat

	721 mmHg		75%
	3.6 m/s		+21

27 September, Saturday. day, 19°; night, 13°; clear

28 September, sun

	722 mmHg		75%
	3.4 m/s		+21

28 September, Sunday. day, 19°; night, 13°; clear

29 September, mon

	722 mmHg		77%
	3.5 m/s		+21

29 September, Monday. day, 19°; night, 13°; clear

30 September, tue

	722 mmHg		81%
	3.7 m/s		+21

30 September, Tuesday. day, 18°; night, 13°; partly cloudy

1 October, wed

	721 mmHg		83%
	4.1 m/s		+21

1 October, Wednesday. day, 18°; night, 13°; rain

2 October, thu

	721 mmHg		83%
	4.3 m/s		+21

2 October, Thursday. day, 18°; night, 13°; rain

3 October, fri

	721 mmHg		80%
	4.5 m/s		+21

3 October, Friday. day, 18°; night, 13°; rain

4 October, sat

	721 mmHg		79%
	4.3 m/s		+21

4 October, Saturday. day, 18°; night, 13°; rain

Average data for 10 years

Portofino September

11

sunny days

11

days with precipitation

4

cloudy days

11 sunny days; 11 days with precipitation; 4 cloudy days;

76

%

air humidity

2.3

m/s

WindSE

116

mm of precipitation

(9% of annual average)

+22

°C

Water temperature

air humidity 76%; 116 millimeters of precipitation (9% of annual average); Wind south-easterly 2.3 Meters per second; Water temperature +22°

Weather graphs for September

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

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SE

SE

1

Average data for 10 years

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30

Daytime temperature

Night-time temperature

Cities near you

Milan
Venice
Nice
Florence
Marseilles
Zurich
Geneva
Bern
Monaco

Cities with similar weather in September

Gagra
Istanbul
Pitsunda
Lisbon
Porto
Marseilles
Marbella
Split
Chalcidice

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

In September, the weather in Portofino is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Portofino has 11 rainy, 11 sunny, 6 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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