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September weather forecast in Cha Am

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

	748 mmHg		78%
	3.2 m/s		+30

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

1 September, mon

	748 mmHg		77%
	3.1 m/s		+30

1 September, Monday. day, 31°; night, 25°; overcast

2 September, tue

	748 mmHg		78%
	3.1 m/s		+30

2 September, Tuesday. day, 31°; night, 25°; rain

3 September, wed

	748 mmHg		77%
	2.9 m/s		+30

3 September, Wednesday. day, 32°; night, 25°; rain

4 September, thu

	748 mmHg		78%
	3 m/s		+31

4 September, Thursday. day, 31°; night, 25°; rain

5 September, fri

	748 mmHg		78%
	3.3 m/s		+30

5 September, Friday. day, 32°; night, 25°; overcast

6 September, sat

	748 mmHg		78%
	3 m/s		+30

6 September, Saturday. day, 32°; night, 25°; rain

7 September, sun

	748 mmHg		77%
	3.1 m/s		+30

7 September, Sunday. day, 32°; night, 25°; partly cloudy

8 September, mon

	748 mmHg		77%
	2.9 m/s		+30

8 September, Monday. day, 32°; night, 25°; overcast

9 September, tue

	748 mmHg		77%
	2.8 m/s		+31

9 September, Tuesday. day, 32°; night, 25°; rain

10 September, wed

	748 mmHg		78%
	2.7 m/s		+30

10 September, Wednesday. day, 32°; night, 25°; rain

11 September, thu

	748 mmHg		80%
	2.6 m/s		+30

11 September, Thursday. day, 31°; night, 25°; rain

12 September, fri

	748 mmHg		79%
	2.9 m/s		+30

12 September, Friday. day, 31°; night, 25°; rain

13 September, sat

	748 mmHg		78%
	2.8 m/s		+30

13 September, Saturday. day, 32°; night, 25°; rain

14 September, sun

	748 mmHg		79%
	2.9 m/s		+30

14 September, Sunday. day, 31°; night, 25°; rain

15 September, mon

	747 mmHg		79%
	3.1 m/s		+30

15 September, Monday. day, 31°; night, 25°; rain

16 September, tue

	748 mmHg		78%
	3 m/s		+30

16 September, Tuesday. day, 31°; night, 25°; rain

17 September, wed

	748 mmHg		78%
	3 m/s		+30

17 September, Wednesday. day, 31°; night, 25°; rain

18 September, thu

	748 mmHg		80%
	3 m/s		+30

18 September, Thursday. day, 31°; night, 25°; rain

19 September, fri

	748 mmHg		80%
	2.6 m/s		+30

19 September, Friday. day, 31°; night, 25°; rain

20 September, sat

	748 mmHg		81%
	2.4 m/s		+31

20 September, Saturday. day, 31°; night, 24°; rain

21 September, sun

	749 mmHg		81%
	2.3 m/s		+30

21 September, Sunday. day, 31°; night, 25°; rain

22 September, mon

	748 mmHg		82%
	2.4 m/s		+30

22 September, Monday. day, 31°; night, 24°; rain

23 September, tue

	748 mmHg		82%
	2.4 m/s		+30

23 September, Tuesday. day, 31°; night, 25°; rain

24 September, wed

	748 mmHg		82%
	2.5 m/s		+30

24 September, Wednesday. day, 31°; night, 24°; rain

25 September, thu

	748 mmHg		81%
	2.6 m/s		+30

25 September, Thursday. day, 31°; night, 25°; rain

26 September, fri

	748 mmHg		81%
	2.4 m/s		+30

26 September, Friday. day, 31°; night, 25°; rain

27 September, sat

	748 mmHg		81%
	2.5 m/s		+30

27 September, Saturday. day, 31°; night, 25°; rain

28 September, sun

	748 mmHg		81%
	2.6 m/s		+30

28 September, Sunday. day, 31°; night, 25°; rain

29 September, mon

	748 mmHg		81%
	2.6 m/s		+30

29 September, Monday. day, 31°; night, 25°; rain

30 September, tue

	748 mmHg		81%
	2.8 m/s		+30

30 September, Tuesday. day, 31°; night, 25°; rain

1 October, wed

	749 mmHg		82%
	2.2 m/s		+30

1 October, Wednesday. day, 31°; night, 25°; rain

2 October, thu

	749 mmHg		83%
	2.09 m/s		+30

2 October, Thursday. day, 31°; night, 25°; rain

3 October, fri

	749 mmHg		84%
	2.2 m/s		+30

3 October, Friday. day, 30°; night, 24°; rain

4 October, sat

	749 mmHg		84%
	2.5 m/s		+30

4 October, Saturday. day, 30°; night, 24°; rain

Average data for 10 years

Cha Am September

0

sunny days

26

days with precipitation

25

cloudy days

0 sunny days; 26 days with precipitation; 25 cloudy days;

79

%

air humidity

1.6

m/s

WindSW

215

mm of precipitation

(18% of annual average)

+30

°C

Water temperature

air humidity 79%; 215 millimeters of precipitation (18% of annual average); Wind south-westerly 1.6 Meters per second; Water temperature +30°

Weather graphs for September

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Pattaya
Bangkok
Samui
Ko Chang
Hua Hin
Siem Reap
Ko Samet
Rayong
Ayutthaya

Cities with similar weather in September

Nha Trang
Hurgada
Santo Domingo
Varadero
Havana
Kinshasa
Boca Chica
Manila
Da Nang

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

September in Cha Am is the rainiest month of the year. In September, the weather in Cha Am is typically hot. Average daily high temperature in September is about 31 degrees above zero. On average, Cha Am has 26 rainy, 3 cloudy, 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 Cha Am.

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