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September weather forecast in Ajaccio

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

30 August, sun

	758 mmHg		61%
	4 m/s		+26

30 August, Sunday. day, 26°; night, 22°; clear

31 August, mon

	757 mmHg		56%
	5.4 m/s		+25

31 August, Monday. day, 25°; night, 22°; clear

1 September, tue

	757 mmHg		61%
	6.3 m/s		+25

1 September, Tuesday. day, 24°; night, 21°; clear

2 September, wed

	757 mmHg		67%
	4.8 m/s		+25

2 September, Wednesday. day, 23°; night, 21°; clear

3 September, thu

	757 mmHg		63%
	4.1 m/s		+25

3 September, Thursday. day, 23°; night, 21°; partly cloudy

4 September, fri

	757 mmHg		68%
	5 m/s		+25

4 September, Friday. day, 23°; night, 21°; clear

5 September, sat

	757 mmHg		69%
	4.5 m/s		+25

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

6 September, sun

	757 mmHg		66%
	4.4 m/s		+25

6 September, Sunday. day, 23°; night, 20°; clear

7 September, mon

	757 mmHg		64%
	4.9 m/s		+24

7 September, Monday. day, 23°; night, 21°; clear

8 September, tue

	757 mmHg		62%
	5.1 m/s		+24

8 September, Tuesday. day, 22°; night, 20°; clear

9 September, wed

	757 mmHg		66%
	4.6 m/s		+24

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

10 September, thu

	757 mmHg		61%
	4.9 m/s		+25

10 September, Thursday. day, 24°; night, 21°; clear

11 September, fri

	757 mmHg		62%
	5.1 m/s		+24

11 September, Friday. day, 23°; night, 21°; clear

12 September, sat

	757 mmHg		68%
	4.9 m/s		+24

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

13 September, sun

	756 mmHg		69%
	6.1 m/s		+24

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

14 September, mon

	755 mmHg		67%
	5.5 m/s		+23

14 September, Monday. day, 22°; night, 19°; partly cloudy

15 September, tue

	755 mmHg		68%
	5 m/s		+23

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

16 September, wed

	756 mmHg		67%
	5.5 m/s		+23

16 September, Wednesday. day, 21°; night, 20°; clear

17 September, thu

	756 mmHg		67%
	6.3 m/s		+23

17 September, Thursday. day, 22°; night, 19°; clear

18 September, fri

	756 mmHg		68%
	6.5 m/s		+23

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

19 September, sat

	757 mmHg		67%
	4.8 m/s		+23

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

20 September, sun

	759 mmHg		68%
	4.4 m/s		+23

20 September, Sunday. day, 21°; night, 18°; clear

21 September, mon

	758 mmHg		68%
	4.1 m/s		+23

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

22 September, tue

	758 mmHg		64%
	4.6 m/s		+23

22 September, Tuesday. day, 21°; night, 19°; rain

23 September, wed

	757 mmHg		68%
	4.8 m/s		+22

23 September, Wednesday. day, 21°; night, 19°; partly cloudy

24 September, thu

	756 mmHg		63%
	4.5 m/s		+22

24 September, Thursday. day, 21°; night, 18°; clear

25 September, fri

	758 mmHg		67%
	4.5 m/s		+22

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

26 September, sat

	759 mmHg		62%
	4.3 m/s		+23

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

27 September, sun

	760 mmHg		60%
	4.5 m/s		+23

27 September, Sunday. day, 22°; night, 19°; rain

28 September, mon

	760 mmHg		63%
	4.6 m/s		+23

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

29 September, tue

	759 mmHg		67%
	5 m/s		+22

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

30 September, wed

	758 mmHg		70%
	5 m/s		+22

30 September, Wednesday. day, 20°; night, 18°; partly cloudy

1 October, thu

	758 mmHg		75%
	4.4 m/s		+22

1 October, Thursday. day, 20°; night, 18°; clear

2 October, fri

	759 mmHg		70%
	4.9 m/s		+22

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

3 October, sat

	759 mmHg		70%
	5 m/s		+22

3 October, Saturday. day, 21°; night, 18°; clear

Average data for 10 years

Ajaccio September

24

sunny days

2

days with precipitation

4

cloudy days

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

66

%

air humidity

3.5

m/s

WindNW

35

mm of precipitation

(6% of annual average)

+24

°C

Water temperature

air humidity 66%; 35 millimeters of precipitation (6% of annual average); Wind north-westerly 3.5 Meters per second; Water temperature +24°

Weather graphs for September

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

NW

W

W

W

W

W

NW

NW

NW

NW

NW

W

W

NW

W

NW

W

W

NW

NW

NW

NE

NE

NW

W

NW

NE

NE

NE

N

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

Rome
Milan
Nice
Florence
Marseilles
Monaco
Genoa
Bologna
Como

Cities with similar weather in September

Suhum
Burgas
Varna
Tivat
The Sunny Beach
The Golden Sands
Chicago
Porto
Pomorie

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

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

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