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September weather forecast in Mannar

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

	756 mmHg		85%
	10 m/s		+29

31 August, Sunday. day, 27°; night, 27°; rain

1 September, mon

	756 mmHg		85%
	10 m/s		+29

1 September, Monday. day, 27°; night, 27°; overcast

2 September, tue

	756 mmHg		85%
	10 m/s		+29

2 September, Tuesday. day, 27°; night, 27°; overcast

3 September, wed

	756 mmHg		85%
	10.2 m/s		+29

3 September, Wednesday. day, 27°; night, 27°; overcast

4 September, thu

	756 mmHg		85%
	10.6 m/s		+29

4 September, Thursday. day, 27°; night, 27°; overcast

5 September, fri

	756 mmHg		85%
	10.8 m/s		+29

5 September, Friday. day, 27°; night, 27°; rain

6 September, sat

	756 mmHg		85%
	10.9 m/s		+29

6 September, Saturday. day, 27°; night, 27°; rain

7 September, sun

	756 mmHg		84%
	10.4 m/s		+29

7 September, Sunday. day, 27°; night, 27°; overcast

8 September, mon

	756 mmHg		85%
	10.4 m/s		+29

8 September, Monday. day, 27°; night, 27°; partly cloudy

9 September, tue

	756 mmHg		85%
	10.6 m/s		+29

9 September, Tuesday. day, 27°; night, 27°; rain

10 September, wed

	756 mmHg		85%
	10.4 m/s		+29

10 September, Wednesday. day, 27°; night, 27°; overcast

11 September, thu

	756 mmHg		85%
	10.3 m/s		+29

11 September, Thursday. day, 27°; night, 27°; rain

12 September, fri

	756 mmHg		85%
	10.3 m/s		+29

12 September, Friday. day, 27°; night, 27°; partly cloudy

13 September, sat

	756 mmHg		85%
	10.4 m/s		+29

13 September, Saturday. day, 27°; night, 27°; partly cloudy

14 September, sun

	756 mmHg		85%
	10.6 m/s		+29

14 September, Sunday. day, 27°; night, 27°; clear

15 September, mon

	756 mmHg		85%
	10.9 m/s		+29

15 September, Monday. day, 27°; night, 27°; partly cloudy

16 September, tue

	756 mmHg		85%
	10.9 m/s		+29

16 September, Tuesday. day, 27°; night, 27°; partly cloudy

17 September, wed

	756 mmHg		85%
	10.7 m/s		+29

17 September, Wednesday. day, 27°; night, 27°; overcast

18 September, thu

	756 mmHg		85%
	10.5 m/s		+29

18 September, Thursday. day, 27°; night, 27°; overcast

19 September, fri

	756 mmHg		85%
	10.5 m/s		+29

19 September, Friday. day, 27°; night, 27°; partly cloudy

20 September, sat

	756 mmHg		85%
	10.4 m/s		+29

20 September, Saturday. day, 27°; night, 27°; partly cloudy

21 September, sun

	756 mmHg		85%
	10.1 m/s		+29

21 September, Sunday. day, 27°; night, 27°; clear

22 September, mon

	756 mmHg		84%
	9.8 m/s		+29

22 September, Monday. day, 27°; night, 27°; clear

23 September, tue

	756 mmHg		84%
	9.7 m/s		+29

23 September, Tuesday. day, 27°; night, 27°; rain

24 September, wed

	756 mmHg		84%
	9.39 m/s		+29

24 September, Wednesday. day, 27°; night, 27°; rain

25 September, thu

	756 mmHg		84%
	9.2 m/s		+29

25 September, Thursday. day, 27°; night, 27°; partly cloudy

26 September, fri

	756 mmHg		84%
	9 m/s		+29

26 September, Friday. day, 27°; night, 27°; rain

27 September, sat

	756 mmHg		84%
	9 m/s		+29

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

28 September, sun

	756 mmHg		83%
	9 m/s		+29

28 September, Sunday. day, 27°; night, 27°; rain

29 September, mon

	756 mmHg		83%
	8.89 m/s		+29

29 September, Monday. day, 27°; night, 26°; rain

30 September, tue

	756 mmHg		84%
	8.89 m/s		+29

30 September, Tuesday. day, 27°; night, 26°; rain

1 October, wed

	757 mmHg		84%
	8.5 m/s		+29

1 October, Wednesday. day, 27°; night, 26°; partly cloudy

2 October, thu

	757 mmHg		83%
	8.7 m/s		+29

2 October, Thursday. day, 27°; night, 27°; partly cloudy

3 October, fri

	757 mmHg		83%
	9 m/s		+29

3 October, Friday. day, 27°; night, 27°; clear

4 October, sat

	757 mmHg		83%
	8.5 m/s		+29

4 October, Saturday. day, 27°; night, 27°; partly cloudy

Average data for 10 years

Mannar September

3

sunny days

11

days with precipitation

14

cloudy days

3 sunny days; 11 days with precipitation; 14 cloudy days;

84

%

air humidity

8.6

m/s

WindSW

62

mm of precipitation

(6% of annual average)

+29

°C

Water temperature

air humidity 84%; 62 millimeters of precipitation (6% of annual average); Wind south-westerly 8.6 Meters per second; Water temperature +29°

Weather graphs for September

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Unawatuna
Colombo
Hikkaduwa
Sri Jayawardenapura Kotte
Bentota
Galle
Tangalle
Pasikudah
Kalutara

Cities with similar weather in September

Tel Aviv
Jerba
Rhodes
Aqaba
Goa
Eylat
Haifa
Zanzibar
Netanya

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

In September, the weather in Mannar is typically warm. Average daily high temperature in September is about 27 degrees above zero. On average, Mannar has 11 rainy, 8 cloudy, 8 partly cloudy, and 3 sunny days in September. The rains are usually moderate.

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