10 day forecast Monthly forecast Weather map

City or area

Go to comparison

September weather forecast in Port Arthur

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		77%
	4 m/s		+33

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

1 September, mon

	760 mmHg		78%
	4.19 m/s		+33

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

2 September, tue

	760 mmHg		78%
	4.1 m/s		+31

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

3 September, wed

	760 mmHg		79%
	3.8 m/s		+32

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

4 September, thu

	760 mmHg		80%
	3.9 m/s		+32

4 September, Thursday. day, 31°; night, 24°; rain

5 September, fri

	761 mmHg		77%
	4 m/s		+32

5 September, Friday. day, 31°; night, 24°; rain

6 September, sat

	761 mmHg		78%
	3.8 m/s		+32

6 September, Saturday. day, 30°; night, 24°; rain

7 September, sun

	761 mmHg		77%
	3.9 m/s		+33

7 September, Sunday. day, 30°; night, 23°; rain

8 September, mon

	760 mmHg		77%
	3.9 m/s		+32

8 September, Monday. day, 30°; night, 23°; rain

9 September, tue

	760 mmHg		77%
	4 m/s		+32

9 September, Tuesday. day, 30°; night, 23°; partly cloudy

10 September, wed

	761 mmHg		77%
	4.1 m/s		+32

10 September, Wednesday. day, 30°; night, 23°; clear

11 September, thu

	761 mmHg		76%
	4.1 m/s		+32

11 September, Thursday. day, 30°; night, 23°; clear

12 September, fri

	760 mmHg		78%
	4.3 m/s		+31

12 September, Friday. day, 30°; night, 23°; rain

13 September, sat

	760 mmHg		80%
	4.6 m/s		+31

13 September, Saturday. day, 30°; night, 23°; rain

14 September, sun

	760 mmHg		79%
	4.19 m/s		+33

14 September, Sunday. day, 30°; night, 23°; partly cloudy

15 September, mon

	761 mmHg		78%
	4.19 m/s		+32

15 September, Monday. day, 30°; night, 23°; clear

16 September, tue

	761 mmHg		77%
	4 m/s		+32

16 September, Tuesday. day, 30°; night, 24°; partly cloudy

17 September, wed

	761 mmHg		78%
	3.9 m/s		+30

17 September, Wednesday. day, 30°; night, 23°; rain

18 September, thu

	760 mmHg		78%
	3.8 m/s		+31

18 September, Thursday. day, 30°; night, 23°; partly cloudy

19 September, fri

	760 mmHg		78%
	3.9 m/s		+33

19 September, Friday. day, 30°; night, 23°; rain

20 September, sat

	760 mmHg		78%
	3.9 m/s		+31

20 September, Saturday. day, 30°; night, 23°; clear

21 September, sun

	760 mmHg		80%
	4.19 m/s		+31

21 September, Sunday. day, 30°; night, 23°; rain

22 September, mon

	761 mmHg		78%
	4.6 m/s		+32

22 September, Monday. day, 30°; night, 23°; clear

23 September, tue

	761 mmHg		77%
	4.6 m/s		+32

23 September, Tuesday. day, 29°; night, 22°; clear

24 September, wed

	760 mmHg		79%
	4.8 m/s		+31

24 September, Wednesday. day, 29°; night, 22°; partly cloudy

25 September, thu

	761 mmHg		77%
	4.4 m/s		+33

25 September, Thursday. day, 29°; night, 22°; partly cloudy

26 September, fri

	760 mmHg		76%
	4 m/s		+31

26 September, Friday. day, 29°; night, 22°; clear

27 September, sat

	760 mmHg		76%
	3.8 m/s		+31

27 September, Saturday. day, 29°; night, 21°; clear

28 September, sun

	760 mmHg		75%
	4.19 m/s		+31

28 September, Sunday. day, 29°; night, 21°; clear

29 September, mon

	761 mmHg		72%
	4.1 m/s		+30

29 September, Monday. day, 28°; night, 21°; clear

30 September, tue

	761 mmHg		73%
	4 m/s		+30

30 September, Tuesday. day, 28°; night, 20°; clear

1 October, wed

	762 mmHg		73%
	4 m/s		+28

1 October, Wednesday. day, 29°; night, 20°; clear

2 October, thu

	762 mmHg		73%
	4.19 m/s		+29

2 October, Thursday. day, 28°; night, 20°; rain

3 October, fri

	761 mmHg		75%
	4.3 m/s		+28

3 October, Friday. day, 28°; night, 20°; clear

4 October, sat

	762 mmHg		76%
	4.4 m/s		+29

4 October, Saturday. day, 28°; night, 20°; clear

Average data for 10 years

Port Arthur September

11

sunny days

13

days with precipitation

5

cloudy days

11 sunny days; 13 days with precipitation; 5 cloudy days;

77

%

air humidity

2.8

m/s

WindSE

147

mm of precipitation

(11% of annual average)

+32

°C

Water temperature

air humidity 77%; 147 millimeters of precipitation (11% of annual average); Wind south-easterly 2.8 Meters per second; Water temperature +32°

Weather graphs for September

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

SE

SE

SE

S

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

SE

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

Houston
Texas City
Austin
New Orleans
Baton Rouge
Palestine
Bay City
Alexandria
College Station

Cities with similar weather in September

Alanya
Phuket
Side
Belek
Ayia Napa
Larnaca
Protaras
Phan Thiet
Samui

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

In September, the weather in Port Arthur is typically hot. Average daily high temperature in September is about 30 degrees above zero. On average, Port Arthur has 13 rainy, 11 sunny, and 6 partly cloudy days in September. The rains are usually heavy.

Links

Help Terms of use Contact us

For partners

Advertisement Yandex.Weather API

Weather forecasts

Hourly forecast Detailed 10 day forecast Monthly forecast Weather map Magnetic storms

Download app

English

English
Русский

Source data: Yandex.Traffic, Roshydromet FSBI "CAO", NOAA, © OpenStreetMap

© 2017–2025 YANDEX LLC