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September weather forecast in St. Anthony

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

	753 mmHg		85%
	9.3 m/s		+12

31 August, Sunday. day, 12°; night, 11°; rain

1 September, mon

	754 mmHg		84%
	10.8 m/s		+12

1 September, Monday. day, 13°; night, 11°; rain

2 September, tue

	755 mmHg		81%
	10 m/s		+13

2 September, Tuesday. day, 13°; night, 11°; clear

3 September, wed

	755 mmHg		82%
	10.2 m/s		+13

3 September, Wednesday. day, 13°; night, 12°; clear

4 September, thu

	755 mmHg		83%
	10 m/s		+13

4 September, Thursday. day, 13°; night, 11°; clear

5 September, fri

	754 mmHg		83%
	10.6 m/s		+12

5 September, Friday. day, 12°; night, 11°; rain

6 September, sat

	754 mmHg		82%
	10.6 m/s		+12

6 September, Saturday. day, 12°; night, 10°; clear

7 September, sun

	755 mmHg		82%
	10.3 m/s		+11

7 September, Sunday. day, 12°; night, 10°; rain

8 September, mon

	753 mmHg		83%
	10.5 m/s		+11

8 September, Monday. day, 12°; night, 10°; rain

9 September, tue

	756 mmHg		82%
	9.5 m/s		+11

9 September, Tuesday. day, 11°; night, 10°; clear

10 September, wed

	756 mmHg		83%
	9.8 m/s		+11

10 September, Wednesday. day, 11°; night, 10°; rain

11 September, thu

	756 mmHg		81%
	10.5 m/s		+10

11 September, Thursday. day, 11°; night, 9°; overcast

12 September, fri

	754 mmHg		81%
	11.2 m/s		+11

12 September, Friday. day, 11°; night, 10°; rain

13 September, sat

	754 mmHg		82%
	10.5 m/s		+11

13 September, Saturday. day, 11°; night, 10°; rain

14 September, sun

	756 mmHg		84%
	9.7 m/s		+11

14 September, Sunday. day, 11°; night, 9°; overcast

15 September, mon

	755 mmHg		85%
	10 m/s		+10

15 September, Monday. day, 11°; night, 9°; rain

16 September, tue

	754 mmHg		85%
	10.4 m/s		+10

16 September, Tuesday. day, 11°; night, 9°; rain

17 September, wed

	753 mmHg		82%
	10.3 m/s		+10

17 September, Wednesday. day, 11°; night, 9°; rain

18 September, thu

	755 mmHg		79%
	10.6 m/s		+10

18 September, Thursday. day, 10°; night, 9°; partly cloudy

19 September, fri

	757 mmHg		80%
	9.7 m/s		+10

19 September, Friday. day, 9°; night, 8°; partly cloudy

20 September, sat

	757 mmHg		80%
	10.5 m/s		+9

20 September, Saturday. day, 10°; night, 8°; partly cloudy

21 September, sun

	755 mmHg		83%
	11.4 m/s		+10

21 September, Sunday. day, 10°; night, 8°; rain

22 September, mon

	754 mmHg		83%
	11.5 m/s		+10

22 September, Monday. day, 10°; night, 9°; partly cloudy

23 September, tue

	752 mmHg		84%
	11.2 m/s		+9

23 September, Tuesday. day, 10°; night, 9°; rain

24 September, wed

	752 mmHg		80%
	10.9 m/s		+8

24 September, Wednesday. day, 9°; night, 8°; rain

25 September, thu

	755 mmHg		78%
	11.1 m/s		+8

25 September, Thursday. day, 9°; night, 7°; partly cloudy

26 September, fri

	756 mmHg		79%
	9.7 m/s		+8

26 September, Friday. day, 9°; night, 7°; clear

27 September, sat

	756 mmHg		83%
	9.5 m/s		+9

27 September, Saturday. day, 9°; night, 7°; rain

28 September, sun

	755 mmHg		85%
	10.3 m/s		+9

28 September, Sunday. day, 9°; night, 7°; partly cloudy

29 September, mon

	755 mmHg		83%
	10.9 m/s		+9

29 September, Monday. day, 9°; night, 8°; partly cloudy

30 September, tue

	756 mmHg		82%
	11.2 m/s		+9

30 September, Tuesday. day, 10°; night, 8°; partly cloudy

1 October, wed

	756 mmHg		83%
	11.6 m/s		+8

1 October, Wednesday. day, 9°; night, 8°; clear

2 October, thu

	756 mmHg		83%
	10.1 m/s		+8

2 October, Thursday. day, 8°; night, 7°; rain

3 October, fri

	754 mmHg		81%
	10.2 m/s		+7

3 October, Friday. day, 8°; night, 6°; clear

4 October, sat

	756 mmHg		79%
	11 m/s		+7

4 October, Saturday. day, 8°; night, 7°; clear

Average data for 10 years

St. Anthony September

6

sunny days

14

days with precipitation

11

cloudy days

6 sunny days; 14 days with precipitation; 11 cloudy days;

82

%

air humidity

7.5

m/s

WindS

114

mm of precipitation

(10% of annual average)

+10

°C

Water temperature

air humidity 82%; 114 millimeters of precipitation (10% of annual average); Wind southerly 7.5 Meters per second; Water temperature +10°

Weather graphs for September

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

S

SW

SW

S

S

S

SW

S

S

S

S

S

SW

S

S

S

SW

S

S

S

S

SW

SW

SW

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

Saint John's
Sydney
New Glasgow
Deer Lake
Blanc-Sablon
Happy Valley-Goose Bay
Churchill Falls
Iles de la Madeleine
Charlottetown

Cities with similar weather in September

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Reykyavik
Oslo
Yurmala
Palanga

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

In September, the weather in St. Anthony is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, St. Anthony has 14 rainy, 8 partly cloudy, 6 sunny, and 2 cloudy days in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit St. Anthony.

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