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September weather forecast in Saint Augustine

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		83%
	4.5 m/s		+30

31 August, Sunday. day, 30°; night, 25°; rain

1 September, mon

	761 mmHg		83%
	4.4 m/s		+29

1 September, Monday. day, 30°; night, 25°; rain

2 September, tue

	760 mmHg		83%
	4.19 m/s		+30

2 September, Tuesday. day, 30°; night, 24°; rain

3 September, wed

	760 mmHg		83%
	4.69 m/s		+30

3 September, Wednesday. day, 30°; night, 24°; rain

4 September, thu

	760 mmHg		81%
	4.5 m/s		+30

4 September, Thursday. day, 29°; night, 24°; rain

5 September, fri

	760 mmHg		81%
	4.9 m/s		+29

5 September, Friday. day, 29°; night, 24°; rain

6 September, sat

	760 mmHg		82%
	4.9 m/s		+29

6 September, Saturday. day, 29°; night, 24°; rain

7 September, sun

	760 mmHg		82%
	4.1 m/s		+30

7 September, Sunday. day, 29°; night, 24°; rain

8 September, mon

	760 mmHg		82%
	4.1 m/s		+29

8 September, Monday. day, 29°; night, 24°; rain

9 September, tue

	760 mmHg		82%
	4.3 m/s		+30

9 September, Tuesday. day, 29°; night, 24°; rain

10 September, wed

	761 mmHg		82%
	4.4 m/s		+29

10 September, Wednesday. day, 29°; night, 24°; partly cloudy

11 September, thu

	761 mmHg		81%
	5.1 m/s		+29

11 September, Thursday. day, 29°; night, 24°; rain

12 September, fri

	761 mmHg		82%
	4.6 m/s		+30

12 September, Friday. day, 29°; night, 24°; rain

13 September, sat

	760 mmHg		82%
	4.3 m/s		+30

13 September, Saturday. day, 29°; night, 24°; rain

14 September, sun

	760 mmHg		81%
	4.6 m/s		+30

14 September, Sunday. day, 29°; night, 24°; partly cloudy

15 September, mon

	760 mmHg		81%
	5 m/s		+29

15 September, Monday. day, 29°; night, 24°; clear

16 September, tue

	761 mmHg		80%
	4.6 m/s		+29

16 September, Tuesday. day, 29°; night, 24°; partly cloudy

17 September, wed

	761 mmHg		82%
	4.69 m/s		+28

17 September, Wednesday. day, 29°; night, 24°; rain

18 September, thu

	760 mmHg		82%
	4.69 m/s		+29

18 September, Thursday. day, 29°; night, 24°; rain

19 September, fri

	760 mmHg		81%
	4.8 m/s		+29

19 September, Friday. day, 28°; night, 23°; rain

20 September, sat

	761 mmHg		83%
	4.8 m/s		+29

20 September, Saturday. day, 28°; night, 23°; rain

21 September, sun

	761 mmHg		81%
	4.8 m/s		+29

21 September, Sunday. day, 29°; night, 23°; rain

22 September, mon

	761 mmHg		80%
	4.4 m/s		+28

22 September, Monday. day, 28°; night, 23°; partly cloudy

23 September, tue

	761 mmHg		80%
	4.5 m/s		+28

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

24 September, wed

	761 mmHg		80%
	4.6 m/s		+29

24 September, Wednesday. day, 28°; night, 23°; clear

25 September, thu

	760 mmHg		81%
	4.5 m/s		+29

25 September, Thursday. day, 28°; night, 23°; partly cloudy

26 September, fri

	760 mmHg		82%
	4.9 m/s		+29

26 September, Friday. day, 29°; night, 23°; rain

27 September, sat

	759 mmHg		82%
	4.9 m/s		+29

27 September, Saturday. day, 28°; night, 23°; rain

28 September, sun

	760 mmHg		81%
	4.3 m/s		+29

28 September, Sunday. day, 28°; night, 23°; clear

29 September, mon

	760 mmHg		82%
	4.9 m/s		+28

29 September, Monday. day, 28°; night, 23°; overcast

30 September, tue

	760 mmHg		80%
	5.1 m/s		+28

30 September, Tuesday. day, 27°; night, 22°; clear

1 October, wed

	760 mmHg		78%
	4.9 m/s		+28

1 October, Wednesday. day, 27°; night, 22°; rain

2 October, thu

	761 mmHg		78%
	4.8 m/s		+28

2 October, Thursday. day, 27°; night, 22°; rain

3 October, fri

	761 mmHg		78%
	4.69 m/s		+28

3 October, Friday. day, 27°; night, 22°; partly cloudy

4 October, sat

	761 mmHg		79%
	5.1 m/s		+27

4 October, Saturday. day, 27°; night, 22°; rain

Average data for 10 years

Saint Augustine September

5

sunny days

19

days with precipitation

9

cloudy days

5 sunny days; 19 days with precipitation; 9 cloudy days;

81

%

air humidity

3.2

m/s

WindSE

154

mm of precipitation

(15% of annual average)

+29

°C

Water temperature

air humidity 81%; 154 millimeters of precipitation (15% of annual average); Wind south-easterly 3.2 Meters per second; Water temperature +29°

Weather graphs for September

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

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Orlando
Tampa
Madeira Beach
Sarasota
St Petersburg
Boca Raton
Palm Coast
Sunrise
Jacksonville

Cities with similar weather in September

Alanya
Phuket
Side
Ayia Napa
Larnaca
Protaras
Male
Phan Thiet
Samui

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

In September, the weather in Saint Augustine is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Saint Augustine has 19 rainy, 5 sunny, 5 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as June, July, and August is considered the most uncomfortable time to visit Saint Augustine.

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