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September weather forecast in Kingston

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

	748 mmHg		77%
	3.9 m/s		+22

31 August, Sunday. day, 24°; night, 15°; clear

1 September, mon

	749 mmHg		76%
	3.7 m/s		+22

1 September, Monday. day, 23°; night, 14°; clear

2 September, tue

	749 mmHg		78%
	3.9 m/s		+22

2 September, Tuesday. day, 23°; night, 15°; clear

3 September, wed

	747 mmHg		79%
	4 m/s		+22

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

4 September, thu

	747 mmHg		77%
	4 m/s		+21

4 September, Thursday. day, 23°; night, 15°; clear

5 September, fri

	749 mmHg		76%
	4 m/s		+22

5 September, Friday. day, 23°; night, 14°; clear

6 September, sat

	749 mmHg		78%
	3.9 m/s		+21

6 September, Saturday. day, 23°; night, 14°; clear

7 September, sun

	747 mmHg		79%
	4.19 m/s		+21

7 September, Sunday. day, 23°; night, 15°; rain

8 September, mon

	747 mmHg		80%
	4.6 m/s		+21

8 September, Monday. day, 22°; night, 15°; rain

9 September, tue

	748 mmHg		78%
	4 m/s		+21

9 September, Tuesday. day, 21°; night, 13°; partly cloudy

10 September, wed

	749 mmHg		76%
	3.9 m/s		+21

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

11 September, thu

	749 mmHg		78%
	4 m/s		+21

11 September, Thursday. day, 22°; night, 12°; clear

12 September, fri

	748 mmHg		79%
	4 m/s		+21

12 September, Friday. day, 22°; night, 13°; rain

13 September, sat

	747 mmHg		81%
	4.19 m/s		+20

13 September, Saturday. day, 21°; night, 14°; rain

14 September, sun

	748 mmHg		79%
	4.4 m/s		+20

14 September, Sunday. day, 21°; night, 13°; rain

15 September, mon

	749 mmHg		80%
	4.1 m/s		+20

15 September, Monday. day, 20°; night, 12°; rain

16 September, tue

	750 mmHg		79%
	3.9 m/s		+20

16 September, Tuesday. day, 20°; night, 11°; clear

17 September, wed

	749 mmHg		79%
	4.1 m/s		+19

17 September, Wednesday. day, 21°; night, 11°; clear

18 September, thu

	749 mmHg		78%
	3.8 m/s		+19

18 September, Thursday. day, 20°; night, 11°; clear

19 September, fri

	749 mmHg		77%
	4.19 m/s		+19

19 September, Friday. day, 20°; night, 11°; clear

20 September, sat

	748 mmHg		79%
	4.4 m/s		+19

20 September, Saturday. day, 21°; night, 12°; partly cloudy

21 September, sun

	748 mmHg		79%
	4.4 m/s		+19

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

22 September, mon

	748 mmHg		79%
	4.69 m/s		+19

22 September, Monday. day, 20°; night, 12°; overcast

23 September, tue

	748 mmHg		77%
	4.4 m/s		+19

23 September, Tuesday. day, 19°; night, 11°; partly cloudy

24 September, wed

	749 mmHg		78%
	4.19 m/s		+19

24 September, Wednesday. day, 19°; night, 10°; clear

25 September, thu

	748 mmHg		79%
	4.1 m/s		+19

25 September, Thursday. day, 19°; night, 11°; partly cloudy

26 September, fri

	748 mmHg		80%
	4.1 m/s		+19

26 September, Friday. day, 19°; night, 11°; partly cloudy

27 September, sat

	747 mmHg		82%
	4.3 m/s		+19

27 September, Saturday. day, 19°; night, 11°; rain

28 September, sun

	747 mmHg		81%
	4.5 m/s		+18

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

29 September, mon

	747 mmHg		79%
	4.5 m/s		+18

29 September, Monday. day, 17°; night, 10°; rain

30 September, tue

	748 mmHg		81%
	4.4 m/s		+18

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

1 October, wed

	748 mmHg		79%
	4.5 m/s		+17

1 October, Wednesday. day, 17°; night, 9°; partly cloudy

2 October, thu

	748 mmHg		80%
	4.5 m/s		+17

2 October, Thursday. day, 16°; night, 10°; rain

3 October, fri

	749 mmHg		79%
	4.5 m/s		+17

3 October, Friday. day, 16°; night, 9°; partly cloudy

4 October, sat

	749 mmHg		81%
	4.4 m/s		+16

4 October, Saturday. day, 16°; night, 9°; rain

Average data for 10 years

Kingston September

13

sunny days

9

days with precipitation

6

cloudy days

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

79

%

air humidity

2.9

m/s

WindS

85

mm of precipitation

(9% of annual average)

+20

°C

Water temperature

air humidity 79%; 85 millimeters of precipitation (9% of annual average); Wind southerly 2.9 Meters per second; Water temperature +20°

Weather graphs for September

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

SW

S

S

SW

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

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

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Toronto
Ottawa
Montreal
Colchester
Brooklyn
Burlington
Laval
Lake George
Buffalo

Cities with similar weather in September

San Francisco
Podgorica
Vancouver
Genoa
Boston
Seattle
Balkhash
Albena
San Remo

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

September in Kingston is the sunniest month of the year. In September, the weather in Kingston is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Kingston has 13 sunny, 9 rainy, 6 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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