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September weather forecast in Fernandina 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

	761 mmHg		82%
	4.9 m/s		+29

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

1 September, mon

	761 mmHg		83%
	4.8 m/s		+29

1 September, Monday. day, 29°; night, 25°; rain

2 September, tue

	761 mmHg		82%
	4.9 m/s		+30

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

3 September, wed

	761 mmHg		81%
	5.2 m/s		+30

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

4 September, thu

	761 mmHg		80%
	5.4 m/s		+29

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

5 September, fri

	761 mmHg		79%
	5.6 m/s		+28

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

6 September, sat

	761 mmHg		81%
	5.5 m/s		+29

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

7 September, sun

	761 mmHg		81%
	4.9 m/s		+29

7 September, Sunday. day, 28°; night, 24°; overcast

8 September, mon

	760 mmHg		81%
	4.8 m/s		+29

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

9 September, tue

	760 mmHg		81%
	5 m/s		+29

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

10 September, wed

	761 mmHg		80%
	5 m/s		+29

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

11 September, thu

	762 mmHg		79%
	5.4 m/s		+29

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

12 September, fri

	762 mmHg		81%
	5.1 m/s		+29

12 September, Friday. day, 28°; night, 24°; rain

13 September, sat

	761 mmHg		81%
	4.8 m/s		+29

13 September, Saturday. day, 29°; night, 23°; clear

14 September, sun

	761 mmHg		79%
	4.9 m/s		+29

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

15 September, mon

	761 mmHg		80%
	5.6 m/s		+29

15 September, Monday. day, 29°; night, 24°; partly cloudy

16 September, tue

	761 mmHg		79%
	5.3 m/s		+28

16 September, Tuesday. day, 29°; night, 24°; clear

17 September, wed

	761 mmHg		81%
	5.2 m/s		+28

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

18 September, thu

	761 mmHg		80%
	5.1 m/s		+28

18 September, Thursday. day, 28°; night, 23°; rain

19 September, fri

	761 mmHg		79%
	5 m/s		+29

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

20 September, sat

	762 mmHg		81%
	5.3 m/s		+28

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

21 September, sun

	762 mmHg		80%
	5.1 m/s		+28

21 September, Sunday. day, 28°; night, 23°; partly cloudy

22 September, mon

	762 mmHg		80%
	5 m/s		+28

22 September, Monday. day, 28°; night, 23°; rain

23 September, tue

	762 mmHg		79%
	5.1 m/s		+28

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

24 September, wed

	762 mmHg		79%
	5.3 m/s		+28

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

25 September, thu

	761 mmHg		79%
	5.1 m/s		+28

25 September, Thursday. day, 28°; night, 23°; clear

26 September, fri

	760 mmHg		81%
	5.4 m/s		+28

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

27 September, sat

	760 mmHg		81%
	5.7 m/s		+29

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

28 September, sun

	760 mmHg		80%
	4.9 m/s		+28

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

29 September, mon

	760 mmHg		80%
	5.4 m/s		+28

29 September, Monday. day, 27°; night, 23°; partly cloudy

30 September, tue

	761 mmHg		79%
	5.6 m/s		+27

30 September, Tuesday. day, 27°; night, 22°; partly cloudy

1 October, wed

	761 mmHg		77%
	5.4 m/s		+28

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

2 October, thu

	762 mmHg		76%
	5.3 m/s		+27

2 October, Thursday. day, 26°; night, 21°; rain

3 October, fri

	762 mmHg		77%
	5 m/s		+27

3 October, Friday. day, 26°; night, 21°; partly cloudy

4 October, sat

	762 mmHg		78%
	5.4 m/s		+27

4 October, Saturday. day, 26°; night, 22°; rain

Average data for 10 years

Fernandina Beach September

7

sunny days

17

days with precipitation

8

cloudy days

7 sunny days; 17 days with precipitation; 8 cloudy days;

80

%

air humidity

3.7

m/s

WindSE

149

mm of precipitation

(14% of annual average)

+29

°C

Water temperature

air humidity 80%; 149 millimeters of precipitation (14% of annual average); Wind south-easterly 3.7 Meters per second; Water temperature +29°

Weather graphs for September

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

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SE

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SE

SE

SE

1

Average data for 10 years

2

3

4

5

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9

10

11

12

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14

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16

17

18

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20

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28

29

30

Daytime temperature

Night-time temperature

Cities near you

Orlando
Tampa
Madeira Beach
Sarasota
St Petersburg
Palm Coast
Jacksonville
Columbia
Charleston

Cities with similar weather in September

Alanya
Phuket
Side
Belek
Larnaca
Tel Aviv
Aqaba
Eylat
Male

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

In September, the weather in Fernandina Beach is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Fernandina Beach has 17 rainy, 7 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 Fernandina Beach.

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