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September weather forecast in Thornhill

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

1 September, sun

	744 mmHg		67%
	4.8 m/s		+26

1 September, Sunday. day, 24°; night, 19°; partly cloudy

2 September, mon

	743 mmHg		64%
	4.5 m/s		+26

2 September, Monday. day, 23°; night, 19°; clear

3 September, tue

	743 mmHg		62%
	6 m/s		+26

3 September, Tuesday. day, 24°; night, 18°; clear

4 September, wed

	745 mmHg		68%
	5.4 m/s		+24

4 September, Wednesday. day, 21°; night, 17°; partly cloudy

5 September, thu

	745 mmHg		68%
	4.8 m/s		+24

5 September, Thursday. day, 22°; night, 17°; rain

6 September, fri

	744 mmHg		66%
	5.5 m/s		+25

6 September, Friday. day, 23°; night, 17°; rain

7 September, sat

	745 mmHg		73%
	4.9 m/s		+23

7 September, Saturday. day, 21°; night, 18°; partly cloudy

8 September, sun

	744 mmHg		68%
	5.3 m/s		+22

8 September, Sunday. day, 20°; night, 18°; clear

9 September, mon

	745 mmHg		62%
	5.3 m/s		+24

9 September, Monday. day, 21°; night, 16°; clear

10 September, tue

	745 mmHg		62%
	5.6 m/s		+23

10 September, Tuesday. day, 20°; night, 17°; clear

11 September, wed

	745 mmHg		63%
	5.1 m/s		+21

11 September, Wednesday. day, 20°; night, 15°; clear

12 September, thu

	743 mmHg		68%
	5.6 m/s		+20

12 September, Thursday. day, 19°; night, 15°; rain

13 September, fri

	745 mmHg		67%
	5 m/s		+23

13 September, Friday. day, 20°; night, 14°; rain

14 September, sat

	746 mmHg		68%
	5.9 m/s		+21

14 September, Saturday. day, 19°; night, 16°; clear

15 September, sun

	748 mmHg		68%
	5.8 m/s		+20

15 September, Sunday. day, 17°; night, 14°; clear

16 September, mon

	748 mmHg		62%
	4.4 m/s		+22

16 September, Monday. day, 18°; night, 13°; clear

17 September, tue

	746 mmHg		66%
	5.9 m/s		+22

17 September, Tuesday. day, 20°; night, 15°; partly cloudy

18 September, wed

	745 mmHg		70%
	5.6 m/s		+22

18 September, Wednesday. day, 19°; night, 15°; clear

19 September, thu

	746 mmHg		67%
	4.5 m/s		+22

19 September, Thursday. day, 19°; night, 14°; partly cloudy

20 September, fri

	744 mmHg		68%
	5.6 m/s		+23

20 September, Friday. day, 21°; night, 17°; rain

21 September, sat

	746 mmHg		66%
	4.9 m/s		+21

21 September, Saturday. day, 19°; night, 17°; clear

22 September, sun

	747 mmHg		68%
	4.9 m/s		+22

22 September, Sunday. day, 20°; night, 15°; clear

23 September, mon

	748 mmHg		66%
	5 m/s		+22

23 September, Monday. day, 20°; night, 16°; clear

24 September, tue

	748 mmHg		61%
	5 m/s		+22

24 September, Tuesday. day, 19°; night, 15°; partly cloudy

25 September, wed

	747 mmHg		62%
	4.9 m/s		+23

25 September, Wednesday. day, 20°; night, 15°; clear

26 September, thu

	744 mmHg		73%
	5 m/s		+22

26 September, Thursday. day, 19°; night, 16°; rain

27 September, fri

	742 mmHg		73%
	5.5 m/s		+20

27 September, Friday. day, 18°; night, 15°; partly cloudy

28 September, sat

	742 mmHg		73%
	7 m/s		+21

28 September, Saturday. day, 18°; night, 15°; rain

29 September, sun

	744 mmHg		73%
	6.8 m/s		+18

29 September, Sunday. day, 15°; night, 13°; rain

30 September, mon

	746 mmHg		68%
	6.4 m/s		+17

30 September, Monday. day, 15°; night, 11°; clear

1 October, tue

	745 mmHg		70%
	6.1 m/s		+17

1 October, Tuesday. day, 15°; night, 12°; overcast

2 October, wed

	744 mmHg		68%
	6.5 m/s		+19

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

3 October, thu

	745 mmHg		76%
	5.8 m/s		+17

3 October, Thursday. day, 15°; night, 13°; clear

4 October, fri

	746 mmHg		69%
	5.9 m/s		+18

4 October, Friday. day, 16°; night, 11°; rain

5 October, sat

	745 mmHg		75%
	5.5 m/s		+18

5 October, Saturday. day, 16°; night, 13°; rain

Average data for 10 years

Thornhill September

15

sunny days

8

days with precipitation

7

cloudy days

15 sunny days; 8 days with precipitation; 7 cloudy days;

67

%

air humidity

3.9

m/s

WindW

59

mm of precipitation

(8% of annual average)

+22

°C

Water temperature

air humidity 67%; 59 millimeters of precipitation (8% of annual average); Wind westerly 3.9 Meters per second; Water temperature +22°

Weather graphs for September

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

NW

W

SW

NW

SW

W

N

NW

N

SW

NW

NW

W

W

N

SE

SW

SE

S

S

W

S

W

NE

SE

SE

SW

W

NE

N

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

Toronto
Detroit
Pittsburgh
Niagara Falls
Macedonia
Buffalo
Barrie
London
Altoona

Cities with similar weather in September

San Francisco
Podgorica
Vancouver
Genoa
Boston
Seattle
Balkhash
Montreal
Albena

The weather forecast for September 2024 is based on historical data from the past 10 years.

In September, the weather in Thornhill is typically warm. Average daily high temperature in September is about 20 degrees above zero. On average, Thornhill has 15 sunny, 8 rainy, and 7 partly cloudy days in September. The rains are usually moderate. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Thornhill.

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