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September weather forecast in Timaru

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

	742 mmHg		79%
	4.19 m/s		+10

31 August, Sunday. day, 12°; night, 2°; clear

1 September, mon

	741 mmHg		79%
	3.8 m/s		+12

1 September, Monday. day, 12°; night, 3°; rain

2 September, tue

	741 mmHg		81%
	3.8 m/s		+14

2 September, Tuesday. day, 11°; night, 2°; rain

3 September, wed

	742 mmHg		82%
	3.7 m/s		+12

3 September, Wednesday. day, 11°; night, 2°; overcast

4 September, thu

	741 mmHg		80%
	4.1 m/s		+13

4 September, Thursday. day, 12°; night, 2°; rain

5 September, fri

	740 mmHg		80%
	3.8 m/s		+13

5 September, Friday. day, 12°; night, 2°; partly cloudy

6 September, sat

	740 mmHg		78%
	4.1 m/s		+14

6 September, Saturday. day, 12°; night, 2°; rain

7 September, sun

	741 mmHg		77%
	4.1 m/s		+14

7 September, Sunday. day, 12°; night, 2°; clear

8 September, mon

	741 mmHg		78%
	4.1 m/s		+13

8 September, Monday. day, 11°; night, 1°; clear

9 September, tue

	739 mmHg		79%
	4.4 m/s		+13

9 September, Tuesday. day, 11°; night, 2°; rain

10 September, wed

	739 mmHg		79%
	4.4 m/s		+14

10 September, Wednesday. day, 12°; night, 2°; clear

11 September, thu

	741 mmHg		79%
	3.8 m/s		+14

11 September, Thursday. day, 12°; night, 2°; partly cloudy

12 September, fri

	740 mmHg		78%
	4.5 m/s		+13

12 September, Friday. day, 13°; night, 3°; overcast

13 September, sat

	740 mmHg		80%
	4.1 m/s		+14

13 September, Saturday. day, 12°; night, 2°; rain

14 September, sun

	739 mmHg		77%
	4.4 m/s		+14

14 September, Sunday. day, 13°; night, 3°; rain

15 September, mon

	738 mmHg		76%
	4.3 m/s		+15

15 September, Monday. day, 14°; night, 3°; partly cloudy

16 September, tue

	737 mmHg		74%
	4.9 m/s		+14

16 September, Tuesday. day, 14°; night, 3°; clear

17 September, wed

	738 mmHg		77%
	4.69 m/s		+16

17 September, Wednesday. day, 13°; night, 2°; partly cloudy

18 September, thu

	738 mmHg		77%
	4.5 m/s		+12

18 September, Thursday. day, 13°; night, 3°; partly cloudy

19 September, fri

	740 mmHg		76%
	4.4 m/s		+14

19 September, Friday. day, 13°; night, 2°; clear

20 September, sat

	740 mmHg		75%
	4.1 m/s		+12

20 September, Saturday. day, 14°; night, 3°; clear

21 September, sun

	740 mmHg		76%
	4.5 m/s		+13

21 September, Sunday. day, 13°; night, 3°; clear

22 September, mon

	740 mmHg		77%
	4.19 m/s		+15

22 September, Monday. day, 13°; night, 3°; partly cloudy

23 September, tue

	740 mmHg		78%
	4.3 m/s		+14

23 September, Tuesday. day, 14°; night, 4°; overcast

24 September, wed

	741 mmHg		79%
	4.5 m/s		+13

24 September, Wednesday. day, 13°; night, 2°; rain

25 September, thu

	741 mmHg		77%
	4.5 m/s		+14

25 September, Thursday. day, 13°; night, 3°; rain

26 September, fri

	741 mmHg		78%
	4.5 m/s		+14

26 September, Friday. day, 13°; night, 4°; rain

27 September, sat

	741 mmHg		80%
	4.4 m/s		+13

27 September, Saturday. day, 13°; night, 3°; partly cloudy

28 September, sun

	740 mmHg		78%
	4.3 m/s		+15

28 September, Sunday. day, 14°; night, 3°; rain

29 September, mon

	739 mmHg		77%
	4.4 m/s		+16

29 September, Monday. day, 14°; night, 3°; rain

30 September, tue

	739 mmHg		77%
	4 m/s		+17

30 September, Tuesday. day, 14°; night, 3°; rain

1 October, wed

	738 mmHg		75%
	4.5 m/s		+17

1 October, Wednesday. day, 14°; night, 4°; clear

2 October, thu

	738 mmHg		75%
	4.8 m/s		+16

2 October, Thursday. day, 15°; night, 4°; partly cloudy

3 October, fri

	738 mmHg		76%
	4.8 m/s		+15

3 October, Friday. day, 14°; night, 4°; partly cloudy

4 October, sat

	738 mmHg		75%
	4.9 m/s		+14

4 October, Saturday. day, 14°; night, 4°; rain

Average data for 10 years

Timaru September

7

sunny days

13

days with precipitation

7

cloudy days

7 sunny days; 13 days with precipitation; 7 cloudy days;

78

%

air humidity

2.4

m/s

WindSW

73

mm of precipitation

(7% of annual average)

+14

°C

Water temperature

air humidity 78%; 73 millimeters of precipitation (7% of annual average); Wind south-westerly 2.4 Meters per second; Water temperature +14°

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

W

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

Wellington
Queenstown
Invercargill
Dunedin
Christchurch
Palmerston North
Milford Sound
Nelson
Wanaka

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 Timaru is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Timaru has 13 rainy, 7 sunny, 7 partly cloudy, and 3 cloudy days in September. The rains are usually moderate. September as well as January, April, May, and June is considered the most uncomfortable time to visit Timaru.

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