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September weather forecast in Milford Sound

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

	757 mmHg		81%
	7.7 m/s		+11

31 August, Sunday. day, 10°; night, 8°; rain

1 September, mon

	756 mmHg		83%
	8 m/s		+11

1 September, Monday. day, 10°; night, 7°; rain

2 September, tue

	756 mmHg		80%
	6.7 m/s		+11

2 September, Tuesday. day, 10°; night, 7°; clear

3 September, wed

	757 mmHg		78%
	7.6 m/s		+12

3 September, Wednesday. day, 10°; night, 7°; rain

4 September, thu

	756 mmHg		77%
	7.8 m/s		+12

4 September, Thursday. day, 10°; night, 7°; clear

5 September, fri

	755 mmHg		79%
	7.3 m/s		+12

5 September, Friday. day, 10°; night, 7°; partly cloudy

6 September, sat

	755 mmHg		80%
	7.9 m/s		+12

6 September, Saturday. day, 10°; night, 7°; rain

7 September, sun

	756 mmHg		80%
	7 m/s		+12

7 September, Sunday. day, 10°; night, 7°; partly cloudy

8 September, mon

	756 mmHg		77%
	6.9 m/s		+12

8 September, Monday. day, 10°; night, 7°; rain

9 September, tue

	754 mmHg		80%
	7.4 m/s		+11

9 September, Tuesday. day, 10°; night, 7°; rain

10 September, wed

	754 mmHg		79%
	7.6 m/s		+12

10 September, Wednesday. day, 10°; night, 7°; clear

11 September, thu

	756 mmHg		79%
	7.3 m/s		+12

11 September, Thursday. day, 10°; night, 7°; partly cloudy

12 September, fri

	755 mmHg		81%
	7.6 m/s		+11

12 September, Friday. day, 10°; night, 8°; rain

13 September, sat

	755 mmHg		79%
	8 m/s		+11

13 September, Saturday. day, 10°; night, 7°; rain

14 September, sun

	755 mmHg		81%
	7.6 m/s		+11

14 September, Sunday. day, 10°; night, 8°; rain

15 September, mon

	754 mmHg		83%
	7.6 m/s		+11

15 September, Monday. day, 10°; night, 8°; rain

16 September, tue

	753 mmHg		82%
	7.9 m/s		+11

16 September, Tuesday. day, 10°; night, 7°; rain

17 September, wed

	753 mmHg		80%
	7.7 m/s		+11

17 September, Wednesday. day, 10°; night, 7°; rain

18 September, thu

	754 mmHg		80%
	8.2 m/s		+12

18 September, Thursday. day, 10°; night, 7°; rain

19 September, fri

	755 mmHg		80%
	7.7 m/s		+12

19 September, Friday. day, 10°; night, 7°; clear

20 September, sat

	756 mmHg		81%
	7.9 m/s		+11

20 September, Saturday. day, 10°; night, 7°; rain

21 September, sun

	756 mmHg		81%
	7.8 m/s		+11

21 September, Sunday. day, 10°; night, 8°; rain

22 September, mon

	756 mmHg		81%
	7.4 m/s		+12

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

23 September, tue

	756 mmHg		81%
	7.7 m/s		+12

23 September, Tuesday. day, 11°; night, 8°; overcast

24 September, wed

	755 mmHg		79%
	7.5 m/s		+12

24 September, Wednesday. day, 10°; night, 8°; rain

25 September, thu

	756 mmHg		79%
	7.8 m/s		+12

25 September, Thursday. day, 11°; night, 8°; rain

26 September, fri

	756 mmHg		79%
	7.3 m/s		+12

26 September, Friday. day, 10°; night, 8°; rain

27 September, sat

	756 mmHg		79%
	7.3 m/s		+12

27 September, Saturday. day, 10°; night, 7°; clear

28 September, sun

	755 mmHg		80%
	7.5 m/s		+12

28 September, Sunday. day, 10°; night, 8°; rain

29 September, mon

	754 mmHg		80%
	8 m/s		+13

29 September, Monday. day, 11°; night, 8°; rain

30 September, tue

	755 mmHg		81%
	8.2 m/s		+11

30 September, Tuesday. day, 10°; night, 8°; rain

1 October, wed

	754 mmHg		83%
	8.1 m/s		+11

1 October, Wednesday. day, 10°; night, 8°; rain

2 October, thu

	754 mmHg		82%
	7.6 m/s		+12

2 October, Thursday. day, 10°; night, 8°; rain

3 October, fri

	754 mmHg		80%
	8.39 m/s		+12

3 October, Friday. day, 10°; night, 8°; rain

4 October, sat

	753 mmHg		79%
	8.1 m/s		+12

4 October, Saturday. day, 11°; night, 8°; rain

Average data for 10 years

Milford Sound September

5

sunny days

20

days with precipitation

10

cloudy days

5 sunny days; 20 days with precipitation; 10 cloudy days;

80

%

air humidity

5.1

m/s

WindS

444

mm of precipitation

(10% of annual average)

+12

°C

Water temperature

air humidity 80%; 444 millimeters of precipitation (10% of annual average); Wind southerly 5.1 Meters per second; Water temperature +12°

Weather graphs for September

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

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S

SE

SE

SE

S

S

S

S

SE

SE

S

S

S

S

S

S

S

SE

SE

S

S

S

S

S

S

S

SE

SE

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

Wellington
Dunedin
Queenstown
Christchurch
Invercargill
Wanaka
Akaroa
Kaikoura
Nelson

Cities with similar weather in September

Cholpon-Ata
Reykyavik
Wellington
Nuuk
Ushuaia
Christchurch
Hobart
Punta-Arenas
San-Carlos-de-Bariloche

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

In September, the weather in Milford Sound is typically warm. Average daily high temperature in September is about 10 degrees above zero. On average, Milford Sound has 20 rainy, 5 sunny, 4 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Milford Sound.

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