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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		77%
	5.9 m/s		+12

31 August, Sunday. day, 14°; night, 6°; partly cloudy

1 September, mon

	761 mmHg		78%
	5.8 m/s		+12

1 September, Monday. day, 14°; night, 6°; overcast

2 September, tue

	761 mmHg		78%
	5.9 m/s		+11

2 September, Tuesday. day, 13°; night, 6°; partly cloudy

3 September, wed

	761 mmHg		78%
	6.1 m/s		+11

3 September, Wednesday. day, 14°; night, 6°; partly cloudy

4 September, thu

	761 mmHg		77%
	6.5 m/s		+12

4 September, Thursday. day, 14°; night, 6°; rain

5 September, fri

	762 mmHg		77%
	5.3 m/s		+12

5 September, Friday. day, 14°; night, 6°; clear

6 September, sat

	760 mmHg		77%
	5.9 m/s		+11

6 September, Saturday. day, 16°; night, 6°; partly cloudy

7 September, sun

	758 mmHg		80%
	5.5 m/s		+12

7 September, Sunday. day, 15°; night, 8°; rain

8 September, mon

	758 mmHg		78%
	6.1 m/s		+12

8 September, Monday. day, 15°; night, 7°; partly cloudy

9 September, tue

	759 mmHg		74%
	6.4 m/s		+12

9 September, Tuesday. day, 15°; night, 7°; overcast

10 September, wed

	758 mmHg		74%
	6.5 m/s		+12

10 September, Wednesday. day, 16°; night, 7°; partly cloudy

11 September, thu

	759 mmHg		75%
	7 m/s		+12

11 September, Thursday. day, 14°; night, 7°; rain

12 September, fri

	760 mmHg		72%
	6.7 m/s		+12

12 September, Friday. day, 15°; night, 6°; clear

13 September, sat

	760 mmHg		75%
	6.3 m/s		+12

13 September, Saturday. day, 14°; night, 6°; clear

14 September, sun

	760 mmHg		75%
	6.3 m/s		+12

14 September, Sunday. day, 15°; night, 6°; clear

15 September, mon

	760 mmHg		73%
	6.6 m/s		+12

15 September, Monday. day, 15°; night, 6°; clear

16 September, tue

	761 mmHg		73%
	5.9 m/s		+12

16 September, Tuesday. day, 16°; night, 6°; clear

17 September, wed

	760 mmHg		74%
	6.4 m/s		+12

17 September, Wednesday. day, 17°; night, 6°; clear

18 September, thu

	759 mmHg		76%
	6.5 m/s		+12

18 September, Thursday. day, 16°; night, 8°; overcast

19 September, fri

	759 mmHg		77%
	6.5 m/s		+12

19 September, Friday. day, 16°; night, 8°; rain

20 September, sat

	759 mmHg		75%
	6.1 m/s		+12

20 September, Saturday. day, 16°; night, 7°; partly cloudy

21 September, sun

	760 mmHg		75%
	5.9 m/s		+12

21 September, Sunday. day, 17°; night, 7°; partly cloudy

22 September, mon

	760 mmHg		78%
	5.9 m/s		+12

22 September, Monday. day, 16°; night, 7°; overcast

23 September, tue

	760 mmHg		76%
	6.3 m/s		+12

23 September, Tuesday. day, 15°; night, 7°; overcast

24 September, wed

	761 mmHg		74%
	6.1 m/s		+13

24 September, Wednesday. day, 16°; night, 7°; clear

25 September, thu

	762 mmHg		77%
	5.5 m/s		+13

25 September, Thursday. day, 16°; night, 6°; clear

26 September, fri

	761 mmHg		76%
	5.6 m/s		+12

26 September, Friday. day, 16°; night, 7°; partly cloudy

27 September, sat

	761 mmHg		77%
	6.6 m/s		+12

27 September, Saturday. day, 16°; night, 7°; rain

28 September, sun

	760 mmHg		76%
	6.4 m/s		+12

28 September, Sunday. day, 17°; night, 8°; rain

29 September, mon

	760 mmHg		78%
	6.4 m/s		+12

29 September, Monday. day, 17°; night, 8°; clear

30 September, tue

	758 mmHg		78%
	6.2 m/s		+12

30 September, Tuesday. day, 17°; night, 9°; rain

1 October, wed

	758 mmHg		78%
	6.3 m/s		+13

1 October, Wednesday. day, 16°; night, 9°; rain

2 October, thu

	760 mmHg		80%
	6.5 m/s		+13

2 October, Thursday. day, 15°; night, 8°; rain

3 October, fri

	761 mmHg		78%
	6.7 m/s		+13

3 October, Friday. day, 15°; night, 8°; overcast

4 October, sat

	759 mmHg		80%
	6.4 m/s		+13

4 October, Saturday. day, 17°; night, 8°; overcast

Average data for 10 years

Mar del Plata September

10

sunny days

7

days with precipitation

8

cloudy days

10 sunny days; 7 days with precipitation; 8 cloudy days;

76

%

air humidity

4.19

m/s

WindS

59

mm of precipitation

(8% of annual average)

+12

°C

Water temperature

air humidity 76%; 59 millimeters of precipitation (8% of annual average); Wind southerly 4.19 Meters per second; Water temperature +12°

Weather graphs for September

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

S

S

S

S

S

S

S

S

S

SW

SW

SW

SW

S

S

SW

S

S

S

S

S

S

S

S

S

SE

S

S

S

S

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
Santa Teresita
Maldonado
La Plata
Pinamar

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 15 degrees above zero. On average, Mar del Plata has 10 sunny, 8 partly cloudy, 7 rainy, and 5 cloudy days in September. The rains are usually heavy. September as well as June, July, August, and October is considered the most uncomfortable time to visit Mar del Plata.

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