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September weather forecast in Boynton Beach

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

	745 mmHg		75%
	5.5 m/s		+30

31 August, Sunday. day, 29°; night, 28°; clear

1 September, mon

	744 mmHg		76%
	4.5 m/s		+30

1 September, Monday. day, 29°; night, 28°; rain

2 September, tue

	744 mmHg		74%
	4.5 m/s		+30

2 September, Tuesday. day, 29°; night, 28°; rain

3 September, wed

	744 mmHg		75%
	4.1 m/s		+30

3 September, Wednesday. day, 29°; night, 28°; rain

4 September, thu

	744 mmHg		75%
	4.5 m/s		+30

4 September, Thursday. day, 29°; night, 28°; rain

5 September, fri

	744 mmHg		76%
	4.4 m/s		+30

5 September, Friday. day, 29°; night, 28°; rain

6 September, sat

	744 mmHg		75%
	3.5 m/s		+30

6 September, Saturday. day, 29°; night, 27°; rain

7 September, sun

	744 mmHg		75%
	4.5 m/s		+30

7 September, Sunday. day, 29°; night, 28°; rain

8 September, mon

	743 mmHg		75%
	5.6 m/s		+30

8 September, Monday. day, 29°; night, 28°; clear

9 September, tue

	743 mmHg		75%
	7.3 m/s		+29

9 September, Tuesday. day, 29°; night, 28°; rain

10 September, wed

	744 mmHg		76%
	5.8 m/s		+29

10 September, Wednesday. day, 29°; night, 28°; clear

11 September, thu

	744 mmHg		75%
	5.3 m/s		+30

11 September, Thursday. day, 29°; night, 27°; clear

12 September, fri

	744 mmHg		75%
	5.5 m/s		+30

12 September, Friday. day, 29°; night, 28°; rain

13 September, sat

	744 mmHg		75%
	5.5 m/s		+29

13 September, Saturday. day, 29°; night, 28°; rain

14 September, sun

	745 mmHg		74%
	5 m/s		+29

14 September, Sunday. day, 29°; night, 28°; rain

15 September, mon

	745 mmHg		74%
	4.9 m/s		+29

15 September, Monday. day, 29°; night, 28°; rain

16 September, tue

	744 mmHg		75%
	5.3 m/s		+30

16 September, Tuesday. day, 29°; night, 28°; clear

17 September, wed

	744 mmHg		75%
	4.5 m/s		+29

17 September, Wednesday. day, 28°; night, 27°; rain

18 September, thu

	743 mmHg		76%
	4.8 m/s		+29

18 September, Thursday. day, 29°; night, 27°; rain

19 September, fri

	744 mmHg		74%
	4.6 m/s		+29

19 September, Friday. day, 29°; night, 27°; rain

20 September, sat

	744 mmHg		74%
	4.5 m/s		+29

20 September, Saturday. day, 29°; night, 27°; clear

21 September, sun

	744 mmHg		75%
	4.5 m/s		+29

21 September, Sunday. day, 29°; night, 28°; clear

22 September, mon

	744 mmHg		79%
	4.6 m/s		+29

22 September, Monday. day, 28°; night, 27°; rain

23 September, tue

	744 mmHg		77%
	4 m/s		+29

23 September, Tuesday. day, 28°; night, 27°; clear

24 September, wed

	743 mmHg		76%
	4.6 m/s		+29

24 September, Wednesday. day, 28°; night, 27°; rain

25 September, thu

	743 mmHg		75%
	4.6 m/s		+29

25 September, Thursday. day, 28°; night, 27°; rain

26 September, fri

	743 mmHg		75%
	4.4 m/s		+29

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

27 September, sat

	743 mmHg		75%
	4.5 m/s		+29

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

28 September, sun

	742 mmHg		75%
	4.5 m/s		+29

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

29 September, mon

	742 mmHg		75%
	4 m/s		+29

29 September, Monday. day, 29°; night, 26°; clear

30 September, tue

	742 mmHg		73%
	5.1 m/s		+29

30 September, Tuesday. day, 28°; night, 27°; rain

1 October, wed

	742 mmHg		73%
	5.3 m/s		+29

1 October, Wednesday. day, 28°; night, 27°; rain

2 October, thu

	743 mmHg		72%
	6.1 m/s		+30

2 October, Thursday. day, 28°; night, 27°; rain

3 October, fri

	744 mmHg		68%
	5.9 m/s		+29

3 October, Friday. day, 28°; night, 26°; partly cloudy

4 October, sat

	744 mmHg		75%
	6.5 m/s		+29

4 October, Saturday. day, 27°; night, 26°; clear

Average data for 10 years

Boynton Beach September

8

sunny days

22

days with precipitation

0

cloudy days

8 sunny days; 22 days with precipitation; 0 cloudy days;

75

%

air humidity

3.5

m/s

WindE

173

mm of precipitation

(14% of annual average)

+29

°C

Water temperature

air humidity 75%; 173 millimeters of precipitation (14% of annual average); Wind easterly 3.5 Meters per second; Water temperature +29°

Weather graphs for September

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

E

SE

SE

SE

SE

SE

E

E

SE

S

SE

E

E

E

E

E

E

E

NE

E

E

E

E

NE

SE

SE

SE

E

W

NE

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

Varadero
Miami
Tampa
Orlando
Miami Beach
Madeira Beach
Hollywood
Palm Coast
Sarasota

Cities with similar weather in September

Pattaya
Nha Trang
Sanya
Hurgada
Bangkok
Punta Cana
Havana
Cancun
Hong Kong

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

September in Boynton Beach is the rainiest and the cloudiest month of the year. In September, the weather in Boynton Beach is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Boynton Beach has 22 rainy and 8 sunny days in September. The rains are usually heavy. September as well as June, July, and August is considered the most uncomfortable time to visit Boynton Beach.

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