10 day forecast Monthly forecast Weather map

City or area

Go to comparison

September weather forecast in St Austell

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		80%
	6.3 m/s		+17

31 August, Sunday. day, 18°; night, 12°; partly cloudy

1 September, mon

	760 mmHg		81%
	5.8 m/s		+17

1 September, Monday. day, 18°; night, 12°; clear

2 September, tue

	760 mmHg		84%
	6.2 m/s		+17

2 September, Tuesday. day, 18°; night, 13°; partly cloudy

3 September, wed

	759 mmHg		84%
	6.7 m/s		+17

3 September, Wednesday. day, 18°; night, 13°; rain

4 September, thu

	759 mmHg		82%
	6.5 m/s		+16

4 September, Thursday. day, 18°; night, 13°; clear

5 September, fri

	759 mmHg		83%
	6.7 m/s		+16

5 September, Friday. day, 18°; night, 13°; partly cloudy

6 September, sat

	758 mmHg		83%
	6.9 m/s		+17

6 September, Saturday. day, 18°; night, 13°; rain

7 September, sun

	757 mmHg		83%
	6.7 m/s		+17

7 September, Sunday. day, 18°; night, 13°; partly cloudy

8 September, mon

	757 mmHg		85%
	6.8 m/s		+17

8 September, Monday. day, 18°; night, 13°; rain

9 September, tue

	758 mmHg		83%
	6.9 m/s		+17

9 September, Tuesday. day, 18°; night, 13°; partly cloudy

10 September, wed

	758 mmHg		83%
	7.2 m/s		+17

10 September, Wednesday. day, 18°; night, 13°; rain

11 September, thu

	758 mmHg		83%
	7.2 m/s		+16

11 September, Thursday. day, 17°; night, 13°; rain

12 September, fri

	758 mmHg		82%
	7.2 m/s		+16

12 September, Friday. day, 17°; night, 12°; rain

13 September, sat

	759 mmHg		81%
	6.8 m/s		+16

13 September, Saturday. day, 17°; night, 12°; clear

14 September, sun

	759 mmHg		81%
	6.6 m/s		+16

14 September, Sunday. day, 17°; night, 12°; rain

15 September, mon

	759 mmHg		82%
	6.5 m/s		+16

15 September, Monday. day, 17°; night, 11°; partly cloudy

16 September, tue

	758 mmHg		81%
	6.8 m/s		+16

16 September, Tuesday. day, 17°; night, 12°; partly cloudy

17 September, wed

	758 mmHg		80%
	6.8 m/s		+16

17 September, Wednesday. day, 17°; night, 12°; clear

18 September, thu

	757 mmHg		79%
	7.1 m/s		+16

18 September, Thursday. day, 17°; night, 12°; clear

19 September, fri

	758 mmHg		82%
	6.7 m/s		+16

19 September, Friday. day, 17°; night, 12°; partly cloudy

20 September, sat

	758 mmHg		84%
	6.7 m/s		+16

20 September, Saturday. day, 17°; night, 12°; partly cloudy

21 September, sun

	758 mmHg		82%
	6.7 m/s		+16

21 September, Sunday. day, 17°; night, 12°; partly cloudy

22 September, mon

	758 mmHg		84%
	6.6 m/s		+16

22 September, Monday. day, 17°; night, 12°; partly cloudy

23 September, tue

	757 mmHg		83%
	7.4 m/s		+16

23 September, Tuesday. day, 16°; night, 12°; rain

24 September, wed

	756 mmHg		82%
	7.4 m/s		+16

24 September, Wednesday. day, 16°; night, 11°; rain

25 September, thu

	758 mmHg		83%
	6.5 m/s		+15

25 September, Thursday. day, 16°; night, 11°; rain

26 September, fri

	757 mmHg		85%
	7.1 m/s		+16

26 September, Friday. day, 16°; night, 12°; rain

27 September, sat

	758 mmHg		83%
	7.5 m/s		+16

27 September, Saturday. day, 16°; night, 11°; partly cloudy

28 September, sun

	758 mmHg		85%
	7 m/s		+16

28 September, Sunday. day, 16°; night, 11°; overcast

29 September, mon

	757 mmHg		83%
	7.2 m/s		+15

29 September, Monday. day, 16°; night, 11°; rain

30 September, tue

	755 mmHg		87%
	8.2 m/s		+16

30 September, Tuesday. day, 16°; night, 12°; rain

1 October, wed

	754 mmHg		84%
	8.1 m/s		+15

1 October, Wednesday. day, 16°; night, 12°; rain

2 October, thu

	756 mmHg		83%
	7.5 m/s		+15

2 October, Thursday. day, 16°; night, 11°; partly cloudy

3 October, fri

	757 mmHg		83%
	7.7 m/s		+15

3 October, Friday. day, 15°; night, 11°; partly cloudy

4 October, sat

	757 mmHg		82%
	8.3 m/s		+15

4 October, Saturday. day, 15°; night, 10°; partly cloudy

Average data for 10 years

St Austell September

5

sunny days

13

days with precipitation

9

cloudy days

5 sunny days; 13 days with precipitation; 9 cloudy days;

83

%

air humidity

5

m/s

WindS

69

mm of precipitation

(8% of annual average)

+16

°C

Water temperature

air humidity 83%; 69 millimeters of precipitation (8% of annual average); Wind southerly 5 Meters per second; Water temperature +16°

Weather graphs for September

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

SW

S

S

SW

SW

S

S

S

S

S

SW

SW

S

SW

SW

S

S

S

S

S

S

S

S

S

SW

SW

S

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

Dublin
Brest
Liverpool
Trowbridge
Oxford
Bournemouth
Wicklow
Carnac
Plymouth

Cities with similar weather in September

Helsinki
Riga
Tallinn
Stockholm
Yurmala
Palanga
Dublin
Buenos Aires
Copenhagen

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

In September, the weather in St Austell is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, St Austell has 13 rainy, 11 partly cloudy, 5 sunny, and 1 cloudy day in September. The rains are usually moderate.

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