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September weather forecast in Terrance B. Lettsome International Airport

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		82%
	7.8 m/s		+29

31 August, Sunday. day, 28°; night, 27°; rain

1 September, mon

	760 mmHg		81%
	7.3 m/s		+29

1 September, Monday. day, 28°; night, 27°; clear

2 September, tue

	760 mmHg		82%
	7.2 m/s		+29

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

3 September, wed

	760 mmHg		82%
	7.5 m/s		+29

3 September, Wednesday. day, 28°; night, 27°; clear

4 September, thu

	760 mmHg		82%
	7.6 m/s		+29

4 September, Thursday. day, 28°; night, 27°; clear

5 September, fri

	760 mmHg		82%
	7.6 m/s		+29

5 September, Friday. day, 28°; night, 27°; rain

6 September, sat

	760 mmHg		82%
	8.3 m/s		+29

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

7 September, sun

	759 mmHg		82%
	8.1 m/s		+29

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

8 September, mon

	759 mmHg		82%
	7.4 m/s		+29

8 September, Monday. day, 28°; night, 26°; rain

9 September, tue

	760 mmHg		81%
	7.2 m/s		+29

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

10 September, wed

	760 mmHg		81%
	7.3 m/s		+29

10 September, Wednesday. day, 28°; night, 27°; clear

11 September, thu

	760 mmHg		82%
	7.6 m/s		+29

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

12 September, fri

	760 mmHg		82%
	7.6 m/s		+29

12 September, Friday. day, 28°; night, 27°; rain

13 September, sat

	760 mmHg		81%
	7.3 m/s		+29

13 September, Saturday. day, 28°; night, 27°; partly cloudy

14 September, sun

	760 mmHg		82%
	7.6 m/s		+29

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

15 September, mon

	760 mmHg		82%
	7.9 m/s		+29

15 September, Monday. day, 28°; night, 26°; rain

16 September, tue

	760 mmHg		82%
	7.6 m/s		+29

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

17 September, wed

	760 mmHg		81%
	7.6 m/s		+29

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

18 September, thu

	759 mmHg		82%
	7.3 m/s		+29

18 September, Thursday. day, 28°; night, 27°; partly cloudy

19 September, fri

	759 mmHg		82%
	7.3 m/s		+29

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

20 September, sat

	759 mmHg		82%
	7.3 m/s		+29

20 September, Saturday. day, 28°; night, 26°; rain

21 September, sun

	759 mmHg		82%
	7.3 m/s		+29

21 September, Sunday. day, 28°; night, 26°; rain

22 September, mon

	759 mmHg		81%
	7.4 m/s		+29

22 September, Monday. day, 28°; night, 26°; rain

23 September, tue

	760 mmHg		81%
	7.1 m/s		+29

23 September, Tuesday. day, 28°; night, 27°; partly cloudy

24 September, wed

	760 mmHg		81%
	7.1 m/s		+29

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

25 September, thu

	760 mmHg		81%
	7.1 m/s		+29

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

26 September, fri

	760 mmHg		81%
	6.8 m/s		+29

26 September, Friday. day, 28°; night, 27°; rain

27 September, sat

	760 mmHg		81%
	7 m/s		+29

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

28 September, sun

	760 mmHg		81%
	6.9 m/s		+29

28 September, Sunday. day, 28°; night, 26°; rain

29 September, mon

	760 mmHg		81%
	6.9 m/s		+29

29 September, Monday. day, 28°; night, 26°; rain

30 September, tue

	760 mmHg		81%
	7 m/s		+29

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

1 October, wed

	760 mmHg		81%
	7.2 m/s		+29

1 October, Wednesday. day, 28°; night, 26°; rain

2 October, thu

	760 mmHg		82%
	7.6 m/s		+29

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

3 October, fri

	760 mmHg		81%
	7.2 m/s		+29

3 October, Friday. day, 28°; night, 27°; partly cloudy

4 October, sat

	759 mmHg		81%
	7.3 m/s		+29

4 October, Saturday. day, 28°; night, 27°; rain

Average data for 10 years

Terrance B. Lettsome International Airport September

5

sunny days

21

days with precipitation

8

cloudy days

5 sunny days; 21 days with precipitation; 8 cloudy days;

82

%

air humidity

5.9

m/s

WindE

141

mm of precipitation

(15% of annual average)

+29

°C

Water temperature

air humidity 82%; 141 millimeters of precipitation (15% of annual average); Wind easterly 5.9 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

E

E

E

E

E

E

E

E

E

E

E

SE

SE

SE

SE

SE

E

E

E

E

E

SE

E

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

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

September in Terrance B. Lettsome International Airport is the hottest month of the year. In September, the weather in Terrance B. Lettsome International Airport is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Terrance B. Lettsome International Airport has 21 rainy, 5 sunny, 3 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit Terrance B. Lettsome International Airport.

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