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September weather forecast in Mar del Plata

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

	760 mmHg		70%
	8.3 m/s		+12

31 August, Sunday. day, 13°; night, 10°; rain

1 September, mon

	761 mmHg		63%
	8.6 m/s		+12

1 September, Monday. day, 14°; night, 10°; clear

2 September, tue

	761 mmHg		69%
	7.8 m/s		+12

2 September, Tuesday. day, 14°; night, 11°; partly cloudy

3 September, wed

	761 mmHg		72%
	9.6 m/s		+11

3 September, Wednesday. day, 12°; night, 11°; clear

4 September, thu

	763 mmHg		67%
	10.3 m/s		+11

4 September, Thursday. day, 11°; night, 9°; clear

5 September, fri

	762 mmHg		68%
	9.6 m/s		+12

5 September, Friday. day, 12°; night, 9°; partly cloudy

6 September, sat

	761 mmHg		69%
	8.1 m/s		+12

6 September, Saturday. day, 14°; night, 10°; rain

7 September, sun

	759 mmHg		73%
	8.1 m/s		+11

7 September, Sunday. day, 13°; night, 9°; clear

8 September, mon

	758 mmHg		73%
	7.9 m/s		+12

8 September, Monday. day, 14°; night, 10°; partly cloudy

9 September, tue

	758 mmHg		62%
	8.1 m/s		+12

9 September, Tuesday. day, 15°; night, 11°; partly cloudy

10 September, wed

	758 mmHg		66%
	8.8 m/s		+12

10 September, Wednesday. day, 15°; night, 12°; clear

11 September, thu

	760 mmHg		66%
	9.3 m/s		+12

11 September, Thursday. day, 13°; night, 9°; partly cloudy

12 September, fri

	760 mmHg		68%
	9.1 m/s		+12

12 September, Friday. day, 14°; night, 10°; partly cloudy

13 September, sat

	760 mmHg		64%
	8.1 m/s		+12

13 September, Saturday. day, 13°; night, 10°; clear

14 September, sun

	758 mmHg		66%
	10.6 m/s		+12

14 September, Sunday. day, 14°; night, 10°; partly cloudy

15 September, mon

	760 mmHg		68%
	9.8 m/s		+12

15 September, Monday. day, 14°; night, 11°; clear

16 September, tue

	761 mmHg		67%
	7.4 m/s		+12

16 September, Tuesday. day, 14°; night, 10°; partly cloudy

17 September, wed

	761 mmHg		67%
	8 m/s		+12

17 September, Wednesday. day, 14°; night, 10°; partly cloudy

18 September, thu

	761 mmHg		68%
	9 m/s		+12

18 September, Thursday. day, 14°; night, 10°; clear

19 September, fri

	760 mmHg		63%
	8.3 m/s		+12

19 September, Friday. day, 16°; night, 10°; clear

20 September, sat

	759 mmHg		75%
	9 m/s		+12

20 September, Saturday. day, 14°; night, 11°; clear

21 September, sun

	759 mmHg		69%
	8.1 m/s		+12

21 September, Sunday. day, 14°; night, 10°; overcast

22 September, mon

	761 mmHg		68%
	9.8 m/s		+12

22 September, Monday. day, 13°; night, 10°; clear

23 September, tue

	763 mmHg		68%
	7.9 m/s		+12

23 September, Tuesday. day, 12°; night, 9°; clear

24 September, wed

	762 mmHg		64%
	8.8 m/s		+12

24 September, Wednesday. day, 13°; night, 9°; partly cloudy

25 September, thu

	762 mmHg		66%
	8.8 m/s		+13

25 September, Thursday. day, 14°; night, 10°; partly cloudy

26 September, fri

	762 mmHg		68%
	8.3 m/s		+13

26 September, Friday. day, 14°; night, 10°; partly cloudy

27 September, sat

	763 mmHg		68%
	8.3 m/s		+12

27 September, Saturday. day, 13°; night, 9°; rain

28 September, sun

	760 mmHg		74%
	9.8 m/s		+12

28 September, Sunday. day, 15°; night, 10°; rain

29 September, mon

	760 mmHg		77%
	9.5 m/s		+12

29 September, Monday. day, 13°; night, 12°; rain

30 September, tue

	759 mmHg		77%
	8.5 m/s		+12

30 September, Tuesday. day, 13°; night, 11°; overcast

1 October, wed

	760 mmHg		76%
	8.8 m/s		+12

1 October, Wednesday. day, 12°; night, 10°; clear

2 October, thu

	759 mmHg		72%
	8.8 m/s		+13

2 October, Thursday. day, 14°; night, 10°; partly cloudy

3 October, fri

	760 mmHg		70%
	9.8 m/s		+13

3 October, Friday. day, 14°; night, 11°; partly cloudy

4 October, sat

	759 mmHg		68%
	8.6 m/s		+13

4 October, Saturday. day, 15°; night, 11°; overcast

Average data for 10 years

Mar del Plata September

12

sunny days

4

days with precipitation

14

cloudy days

12 sunny days; 4 days with precipitation; 14 cloudy days;

68

%

air humidity

6.8

m/s

WindS

61

mm of precipitation

(11% of annual average)

+12

°C

Water temperature

air humidity 68%; 61 millimeters of precipitation (11% of annual average); Wind southerly 6.8 Meters per second; Water temperature +12°

Weather graphs for September

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

SE

NE

SE

SE

N

W

SE

SW

NW

W

SW

W

SW

SW

SW

SW

W

N

NW

S

NE

SE

SE

N

NW

SE

E

NE

E

SE

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

Buenos Aires
Florida
Montevideo
Bahia Blanca
Chuy
Colon
Punta del Este
La Plata
Rosario

Cities with similar weather in September

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Oslo
Yurmala
Palanga
Dublin

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

In September, the weather in Mar del Plata is typically warm. Average daily high temperature in September is about 14 degrees above zero. On average, Mar del Plata has 12 sunny, 12 partly cloudy, 4 rainy, and 2 cloudy days in September. The rains are usually heavy. September as well as June, July, and August is considered the most uncomfortable time to visit Mar del Plata.

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