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September weather forecast in Falmouth

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

	749 mmHg		83%
	3.9 m/s		+29

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

1 September, mon

	749 mmHg		83%
	3.9 m/s		+29

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

2 September, tue

	749 mmHg		83%
	3.5 m/s		+29

2 September, Tuesday. day, 30°; night, 25°; rain

3 September, wed

	749 mmHg		84%
	3.6 m/s		+29

3 September, Wednesday. day, 30°; night, 25°; rain

4 September, thu

	749 mmHg		83%
	3.7 m/s		+29

4 September, Thursday. day, 30°; night, 25°; rain

5 September, fri

	749 mmHg		83%
	3.5 m/s		+29

5 September, Friday. day, 30°; night, 25°; rain

6 September, sat

	749 mmHg		84%
	3.5 m/s		+29

6 September, Saturday. day, 30°; night, 25°; rain

7 September, sun

	749 mmHg		83%
	3.5 m/s		+29

7 September, Sunday. day, 30°; night, 25°; rain

8 September, mon

	748 mmHg		83%
	3.5 m/s		+29

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

9 September, tue

	749 mmHg		83%
	3.6 m/s		+29

9 September, Tuesday. day, 30°; night, 25°; partly cloudy

10 September, wed

	749 mmHg		83%
	4 m/s		+29

10 September, Wednesday. day, 30°; night, 25°; rain

11 September, thu

	749 mmHg		83%
	4.4 m/s		+29

11 September, Thursday. day, 30°; night, 25°; rain

12 September, fri

	749 mmHg		83%
	3.8 m/s		+29

12 September, Friday. day, 30°; night, 25°; clear

13 September, sat

	749 mmHg		83%
	3.6 m/s		+29

13 September, Saturday. day, 30°; night, 25°; rain

14 September, sun

	749 mmHg		82%
	3.6 m/s		+29

14 September, Sunday. day, 30°; night, 25°; clear

15 September, mon

	749 mmHg		83%
	3.7 m/s		+29

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

16 September, tue

	749 mmHg		84%
	3.6 m/s		+29

16 September, Tuesday. day, 30°; night, 25°; rain

17 September, wed

	749 mmHg		84%
	3.8 m/s		+29

17 September, Wednesday. day, 30°; night, 25°; rain

18 September, thu

	749 mmHg		84%
	3.5 m/s		+29

18 September, Thursday. day, 30°; night, 25°; rain

19 September, fri

	749 mmHg		83%
	3.2 m/s		+29

19 September, Friday. day, 30°; night, 25°; rain

20 September, sat

	749 mmHg		83%
	3.3 m/s		+29

20 September, Saturday. day, 30°; night, 25°; rain

21 September, sun

	749 mmHg		83%
	3.3 m/s		+29

21 September, Sunday. day, 30°; night, 25°; rain

22 September, mon

	749 mmHg		84%
	3.4 m/s		+29

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

23 September, tue

	748 mmHg		84%
	3.6 m/s		+29

23 September, Tuesday. day, 30°; night, 25°; rain

24 September, wed

	748 mmHg		83%
	3.7 m/s		+29

24 September, Wednesday. day, 30°; night, 25°; rain

25 September, thu

	749 mmHg		83%
	3.8 m/s		+29

25 September, Thursday. day, 30°; night, 25°; rain

26 September, fri

	749 mmHg		84%
	3.6 m/s		+29

26 September, Friday. day, 30°; night, 25°; rain

27 September, sat

	749 mmHg		84%
	3.4 m/s		+29

27 September, Saturday. day, 30°; night, 25°; rain

28 September, sun

	749 mmHg		85%
	3.7 m/s		+29

28 September, Sunday. day, 29°; night, 25°; rain

29 September, mon

	748 mmHg		84%
	3.8 m/s		+29

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

30 September, tue

	748 mmHg		84%
	3.9 m/s		+29

30 September, Tuesday. day, 29°; night, 25°; rain

1 October, wed

	748 mmHg		85%
	3.8 m/s		+29

1 October, Wednesday. day, 29°; night, 25°; rain

2 October, thu

	748 mmHg		85%
	3.7 m/s		+29

2 October, Thursday. day, 29°; night, 25°; rain

3 October, fri

	748 mmHg		85%
	3.9 m/s		+29

3 October, Friday. day, 29°; night, 25°; rain

4 October, sat

	748 mmHg		84%
	3.7 m/s		+29

4 October, Saturday. day, 29°; night, 25°; rain

Average data for 10 years

Falmouth September

2

sunny days

27

days with precipitation

8

cloudy days

2 sunny days; 27 days with precipitation; 8 cloudy days;

83

%

air humidity

2.4

m/s

WindE

190

mm of precipitation

(14% of annual average)

+29

°C

Water temperature

air humidity 83%; 190 millimeters of precipitation (14% of annual average); Wind easterly 2.4 Meters per second; Water temperature +29°

Weather graphs for September

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

E

E

E

E

E

E

E

SE

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

SE

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

Camagüey
Santiago de Cuba
Cayman Brac
Kingston
Holguin
Montego Bay
George Town
White House Bay
Negril

Cities with similar weather in September

Santo Domingo
Varadero
Phan Thiet
Havana
Krabi
Ko Chang
Mumbai
Puerto Plata
Kinshasa

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

In September, the weather in Falmouth is typically hot. Average daily high temperature in September is about 30 degrees above zero. On average, Falmouth has 27 rainy, 2 sunny, and 1 partly cloudy day in September. The rains are usually heavy. September as well as April, May, June, and July is considered the most uncomfortable time to visit Falmouth.

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