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September weather forecast in Warrnambool

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		76%
	6.7 m/s		+14

31 August, Sunday. day, 14°; night, 8°; partly cloudy

1 September, mon

	760 mmHg		78%
	6.3 m/s		+15

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

2 September, tue

	760 mmHg		76%
	6.6 m/s		+15

2 September, Tuesday. day, 15°; night, 9°; rain

3 September, wed

	760 mmHg		78%
	6.6 m/s		+14

3 September, Wednesday. day, 14°; night, 8°; rain

4 September, thu

	759 mmHg		76%
	6.9 m/s		+15

4 September, Thursday. day, 14°; night, 8°; rain

5 September, fri

	760 mmHg		78%
	6.6 m/s		+14

5 September, Friday. day, 14°; night, 8°; partly cloudy

6 September, sat

	760 mmHg		77%
	6.9 m/s		+14

6 September, Saturday. day, 14°; night, 9°; rain

7 September, sun

	759 mmHg		76%
	7.3 m/s		+14

7 September, Sunday. day, 14°; night, 9°; rain

8 September, mon

	760 mmHg		77%
	7.7 m/s		+14

8 September, Monday. day, 14°; night, 9°; rain

9 September, tue

	761 mmHg		80%
	6.5 m/s		+14

9 September, Tuesday. day, 14°; night, 9°; partly cloudy

10 September, wed

	761 mmHg		77%
	6.8 m/s		+14

10 September, Wednesday. day, 14°; night, 9°; partly cloudy

11 September, thu

	760 mmHg		76%
	7 m/s		+15

11 September, Thursday. day, 15°; night, 9°; rain

12 September, fri

	761 mmHg		75%
	6.5 m/s		+15

12 September, Friday. day, 15°; night, 9°; partly cloudy

13 September, sat

	760 mmHg		75%
	6.7 m/s		+14

13 September, Saturday. day, 15°; night, 9°; rain

14 September, sun

	759 mmHg		75%
	7.3 m/s		+14

14 September, Sunday. day, 15°; night, 9°; rain

15 September, mon

	759 mmHg		75%
	6.9 m/s		+14

15 September, Monday. day, 14°; night, 9°; partly cloudy

16 September, tue

	760 mmHg		77%
	7 m/s		+14

16 September, Tuesday. day, 14°; night, 8°; overcast

17 September, wed

	760 mmHg		75%
	7.1 m/s		+14

17 September, Wednesday. day, 14°; night, 9°; overcast

18 September, thu

	758 mmHg		76%
	7.3 m/s		+14

18 September, Thursday. day, 15°; night, 10°; rain

19 September, fri

	758 mmHg		77%
	6.9 m/s		+15

19 September, Friday. day, 15°; night, 8°; rain

20 September, sat

	759 mmHg		76%
	6.7 m/s		+15

20 September, Saturday. day, 15°; night, 9°; rain

21 September, sun

	760 mmHg		76%
	6.5 m/s		+16

21 September, Sunday. day, 15°; night, 9°; partly cloudy

22 September, mon

	759 mmHg		77%
	6.6 m/s		+15

22 September, Monday. day, 15°; night, 9°; rain

23 September, tue

	759 mmHg		76%
	6.8 m/s		+14

23 September, Tuesday. day, 15°; night, 9°; rain

24 September, wed

	760 mmHg		78%
	6.7 m/s		+14

24 September, Wednesday. day, 14°; night, 8°; rain

25 September, thu

	761 mmHg		75%
	6.4 m/s		+15

25 September, Thursday. day, 14°; night, 8°; partly cloudy

26 September, fri

	760 mmHg		75%
	6 m/s		+17

26 September, Friday. day, 15°; night, 8°; clear

27 September, sat

	759 mmHg		75%
	6.8 m/s		+15

27 September, Saturday. day, 16°; night, 9°; clear

28 September, sun

	757 mmHg		74%
	7.3 m/s		+15

28 September, Sunday. day, 15°; night, 9°; partly cloudy

29 September, mon

	759 mmHg		74%
	7 m/s		+14

29 September, Monday. day, 15°; night, 10°; overcast

30 September, tue

	758 mmHg		77%
	6.7 m/s		+14

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

1 October, wed

	760 mmHg		74%
	6.6 m/s		+15

1 October, Wednesday. day, 16°; night, 9°; partly cloudy

2 October, thu

	759 mmHg		75%
	6.4 m/s		+16

2 October, Thursday. day, 17°; night, 10°; clear

3 October, fri

	760 mmHg		75%
	6.9 m/s		+17

3 October, Friday. day, 16°; night, 9°; partly cloudy

4 October, sat

	759 mmHg		74%
	6.7 m/s		+16

4 October, Saturday. day, 16°; night, 10°; rain

Average data for 10 years

Warrnambool September

2

sunny days

15

days with precipitation

7

cloudy days

2 sunny days; 15 days with precipitation; 7 cloudy days;

76

%

air humidity

4.8

m/s

WindSW

88

mm of precipitation

(11% of annual average)

+15

°C

Water temperature

air humidity 76%; 88 millimeters of precipitation (11% of annual average); Wind south-westerly 4.8 Meters per second; Water temperature +15°

Weather graphs for September

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

S

S

SW

SW

SW

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

S

S

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

Melbourne
Apollo Bay
Colac
Cowes
Mount Gambier
Robe
Bacchus Marsh
Horsham
Moe

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.

September in Warrnambool is the windiest and the cloudiest month of the year. In September, the weather in Warrnambool is typically warm. Average daily high temperature in September is about 15 degrees above zero. On average, Warrnambool has 15 rainy, 9 partly cloudy, 4 cloudy, and 2 sunny days in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit Warrnambool.

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