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September weather forecast in Jeffreys Bay

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

	739 mmHg		75%
	7.6 m/s		+21

31 August, Sunday. day, 18°; night, 11°; partly cloudy

1 September, mon

	740 mmHg		74%
	6.8 m/s		+20

1 September, Monday. day, 18°; night, 11°; clear

2 September, tue

	740 mmHg		75%
	6.7 m/s		+21

2 September, Tuesday. day, 19°; night, 11°; clear

3 September, wed

	741 mmHg		74%
	6.6 m/s		+21

3 September, Wednesday. day, 18°; night, 11°; clear

4 September, thu

	740 mmHg		73%
	6.6 m/s		+21

4 September, Thursday. day, 19°; night, 11°; clear

5 September, fri

	741 mmHg		73%
	6.9 m/s		+20

5 September, Friday. day, 19°; night, 11°; rain

6 September, sat

	742 mmHg		74%
	6.5 m/s		+21

6 September, Saturday. day, 18°; night, 11°; partly cloudy

7 September, sun

	740 mmHg		74%
	5.8 m/s		+21

7 September, Sunday. day, 20°; night, 11°; clear

8 September, mon

	739 mmHg		73%
	6.4 m/s		+21

8 September, Monday. day, 20°; night, 12°; partly cloudy

9 September, tue

	739 mmHg		77%
	6.2 m/s		+19

9 September, Tuesday. day, 18°; night, 11°; partly cloudy

10 September, wed

	741 mmHg		76%
	6.9 m/s		+19

10 September, Wednesday. day, 18°; night, 11°; rain

11 September, thu

	741 mmHg		76%
	6.6 m/s		+20

11 September, Thursday. day, 18°; night, 11°; rain

12 September, fri

	741 mmHg		77%
	6.2 m/s		+22

12 September, Friday. day, 19°; night, 11°; rain

13 September, sat

	741 mmHg		75%
	6.8 m/s		+23

13 September, Saturday. day, 19°; night, 11°; clear

14 September, sun

	740 mmHg		72%
	6.3 m/s		+21

14 September, Sunday. day, 20°; night, 11°; clear

15 September, mon

	739 mmHg		75%
	7.2 m/s		+21

15 September, Monday. day, 19°; night, 12°; clear

16 September, tue

	739 mmHg		75%
	6.5 m/s		+21

16 September, Tuesday. day, 19°; night, 12°; partly cloudy

17 September, wed

	740 mmHg		76%
	6.5 m/s		+20

17 September, Wednesday. day, 18°; night, 11°; rain

18 September, thu

	740 mmHg		75%
	6.9 m/s		+20

18 September, Thursday. day, 18°; night, 11°; rain

19 September, fri

	741 mmHg		75%
	7 m/s		+20

19 September, Friday. day, 18°; night, 11°; rain

20 September, sat

	741 mmHg		73%
	6.4 m/s		+21

20 September, Saturday. day, 19°; night, 11°; partly cloudy

21 September, sun

	741 mmHg		75%
	6.1 m/s		+21

21 September, Sunday. day, 18°; night, 11°; clear

22 September, mon

	741 mmHg		74%
	6.3 m/s		+21

22 September, Monday. day, 19°; night, 11°; clear

23 September, tue

	739 mmHg		73%
	6.6 m/s		+21

23 September, Tuesday. day, 20°; night, 12°; partly cloudy

24 September, wed

	739 mmHg		76%
	6.8 m/s		+21

24 September, Wednesday. day, 19°; night, 12°; partly cloudy

25 September, thu

	738 mmHg		76%
	7.2 m/s		+21

25 September, Thursday. day, 19°; night, 12°; partly cloudy

26 September, fri

	738 mmHg		74%
	7.6 m/s		+19

26 September, Friday. day, 19°; night, 12°; rain

27 September, sat

	740 mmHg		75%
	7.5 m/s		+20

27 September, Saturday. day, 18°; night, 11°; rain

28 September, sun

	741 mmHg		73%
	6.5 m/s		+21

28 September, Sunday. day, 19°; night, 11°; clear

29 September, mon

	741 mmHg		74%
	6.8 m/s		+20

29 September, Monday. day, 19°; night, 12°; clear

30 September, tue

	739 mmHg		75%
	7 m/s		+21

30 September, Tuesday. day, 20°; night, 12°; overcast

1 October, wed

	740 mmHg		76%
	6.9 m/s		+21

1 October, Wednesday. day, 19°; night, 13°; rain

2 October, thu

	740 mmHg		76%
	6.6 m/s		+21

2 October, Thursday. day, 20°; night, 12°; rain

3 October, fri

	740 mmHg		75%
	6.4 m/s		+19

3 October, Friday. day, 19°; night, 12°; partly cloudy

4 October, sat

	740 mmHg		75%
	6.6 m/s		+21

4 October, Saturday. day, 19°; night, 12°; partly cloudy

Average data for 10 years

Jeffreys Bay September

12

sunny days

9

days with precipitation

3

cloudy days

12 sunny days; 9 days with precipitation; 3 cloudy days;

75

%

air humidity

4.19

m/s

WindS

43

mm of precipitation

(8% of annual average)

+21

°C

Water temperature

air humidity 75%; 43 millimeters of precipitation (8% of annual average); Wind southerly 4.19 Meters per second; Water temperature +21°

Weather graphs for September

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

SW

SW

SW

S

SW

S

S

SW

SW

SW

S

S

S

S

S

SW

S

S

S

SW

S

S

S

SW

S

S

SW

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

Port Elizabeth
East London
Addo
Tulbagh
Bloemfontein
Mossel Bay
Plettenberg Bay
Hermanus
Franschhoek

Cities with similar weather in September

Sydney
Palanga
Buenos Aires
Copenhagen
Capetown
Gdansk
Looe
Klaipeda
Bruges

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

In September, the weather in Jeffreys Bay is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Jeffreys Bay has 12 sunny, 9 rainy, 8 partly cloudy, and 1 cloudy day in September. The rains are usually light. September as well as January, July, August, and October is considered the most uncomfortable time to visit Jeffreys Bay.

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