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September weather forecast in Vaughan

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

	739 mmHg		74%
	4.19 m/s		+27

31 August, Sunday. day, 24°; night, 14°; clear

1 September, mon

	740 mmHg		75%
	4 m/s		+26

1 September, Monday. day, 23°; night, 13°; clear

2 September, tue

	739 mmHg		76%
	4.19 m/s		+26

2 September, Tuesday. day, 23°; night, 14°; clear

3 September, wed

	738 mmHg		76%
	4.1 m/s		+26

3 September, Wednesday. day, 24°; night, 14°; clear

4 September, thu

	738 mmHg		75%
	4.4 m/s		+24

4 September, Thursday. day, 23°; night, 14°; partly cloudy

5 September, fri

	740 mmHg		75%
	4.19 m/s		+24

5 September, Friday. day, 23°; night, 13°; clear

6 September, sat

	739 mmHg		75%
	4.1 m/s		+25

6 September, Saturday. day, 24°; night, 13°; rain

7 September, sun

	737 mmHg		77%
	4.69 m/s		+23

7 September, Sunday. day, 23°; night, 14°; rain

8 September, mon

	737 mmHg		76%
	4.9 m/s		+22

8 September, Monday. day, 22°; night, 14°; overcast

9 September, tue

	738 mmHg		77%
	4 m/s		+24

9 September, Tuesday. day, 21°; night, 12°; rain

10 September, wed

	740 mmHg		77%
	4.19 m/s		+23

10 September, Wednesday. day, 21°; night, 12°; clear

11 September, thu

	739 mmHg		75%
	4.3 m/s		+21

11 September, Thursday. day, 22°; night, 12°; partly cloudy

12 September, fri

	738 mmHg		77%
	4.4 m/s		+20

12 September, Friday. day, 22°; night, 12°; rain

13 September, sat

	738 mmHg		78%
	4.5 m/s		+23

13 September, Saturday. day, 21°; night, 13°; rain

14 September, sun

	738 mmHg		78%
	4.5 m/s		+21

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

15 September, mon

	740 mmHg		78%
	4.19 m/s		+20

15 September, Monday. day, 20°; night, 11°; rain

16 September, tue

	740 mmHg		77%
	3.8 m/s		+22

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

17 September, wed

	740 mmHg		76%
	4.1 m/s		+22

17 September, Wednesday. day, 21°; night, 10°; clear

18 September, thu

	739 mmHg		76%
	4.3 m/s		+22

18 September, Thursday. day, 21°; night, 11°; clear

19 September, fri

	739 mmHg		76%
	4.5 m/s		+22

19 September, Friday. day, 20°; night, 10°; clear

20 September, sat

	738 mmHg		77%
	4.6 m/s		+23

20 September, Saturday. day, 21°; night, 11°; partly cloudy

21 September, sun

	738 mmHg		77%
	4.69 m/s		+21

21 September, Sunday. day, 22°; night, 11°; partly cloudy

22 September, mon

	738 mmHg		77%
	5 m/s		+22

22 September, Monday. day, 20°; night, 11°; rain

23 September, tue

	739 mmHg		77%
	4.6 m/s		+22

23 September, Tuesday. day, 19°; night, 10°; rain

24 September, wed

	739 mmHg		77%
	4.4 m/s		+22

24 September, Wednesday. day, 19°; night, 9°; clear

25 September, thu

	738 mmHg		78%
	4.3 m/s		+23

25 September, Thursday. day, 20°; night, 10°; partly cloudy

26 September, fri

	738 mmHg		79%
	4.4 m/s		+22

26 September, Friday. day, 19°; night, 10°; partly cloudy

27 September, sat

	737 mmHg		79%
	4.69 m/s		+20

27 September, Saturday. day, 19°; night, 10°; overcast

28 September, sun

	737 mmHg		80%
	4.8 m/s		+21

28 September, Sunday. day, 18°; night, 11°; overcast

29 September, mon

	738 mmHg		79%
	4.5 m/s		+18

29 September, Monday. day, 17°; night, 9°; partly cloudy

30 September, tue

	738 mmHg		78%
	4.6 m/s		+17

30 September, Tuesday. day, 17°; night, 9°; rain

1 October, wed

	738 mmHg		76%
	4.6 m/s		+17

1 October, Wednesday. day, 17°; night, 9°; clear

2 October, thu

	738 mmHg		79%
	4.6 m/s		+19

2 October, Thursday. day, 16°; night, 9°; rain

3 October, fri

	739 mmHg		77%
	4.6 m/s		+17

3 October, Friday. day, 17°; night, 8°; partly cloudy

4 October, sat

	739 mmHg		80%
	4.4 m/s		+18

4 October, Saturday. day, 17°; night, 9°; rain

Average data for 10 years

Vaughan September

10

sunny days

9

days with precipitation

6

cloudy days

10 sunny days; 9 days with precipitation; 6 cloudy days;

77

%

air humidity

3

m/s

WindSW

75

mm of precipitation

(9% of annual average)

+22

°C

Water temperature

air humidity 77%; 75 millimeters of precipitation (9% of annual average); Wind south-westerly 3 Meters per second; Water temperature +22°

Weather graphs for September

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

SW

SW

SW

SW

SW

S

SW

SW

S

SW

SW

SW

SW

SW

SW

S

SW

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

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

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29

30

Daytime temperature

Night-time temperature

Cities near you

Toronto
Detroit
Pittsburgh
Cleveland
Macedonia
Burlington
Buffalo
London
Syracuse

Cities with similar weather in September

San Francisco
Podgorica
Vancouver
Boston
Seattle
Balkhash
Montreal
Albena
San Sebastian

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

In September, the weather in Vaughan is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Vaughan has 10 sunny, 9 rainy, 8 partly cloudy, and 3 cloudy days in September. The rains are usually heavy.

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