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Monthly weather forecast in Chicago

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

	746 mmHg		63%
	6 m/s		+22

1 September, Sunday. day, 25°; night, 22°; clear

2 September, mon

	746 mmHg		62%
	5.3 m/s		+21

2 September, Monday. day, 25°; night, 21°; clear

3 September, tue

	746 mmHg		68%
	5.8 m/s		+21

3 September, Tuesday. day, 23°; night, 21°; partly cloudy

4 September, wed

	746 mmHg		68%
	6.1 m/s		+21

4 September, Wednesday. day, 23°; night, 20°; partly cloudy

5 September, thu

	747 mmHg		60%
	6 m/s		+21

5 September, Thursday. day, 24°; night, 19°; clear

6 September, fri

	749 mmHg		64%
	8.9 m/s		+22

Climate normal

6 September, Friday. day, 20°; night, 12°; light rain

7 September, sat

	751 mmHg		53%
	8.6 m/s		+17

Climate normal

7 September, Saturday. day, 16°; night, 9°; light rain

8 September, sun

	749 mmHg		44%
	4.4 m/s		+21

Climate normal

8 September, Sunday. day, 22°; night, 13°; mostly clear

9 September, mon

	749 mmHg		42%
	5.7 m/s		+22

Climate normal

9 September, Monday. day, 26°; night, 16°; clear

10 September, tue

	749 mmHg		41%
	4 m/s		+23

Climate normal

10 September, Tuesday. day, 28°; night, 18°; clear

11 September, wed

	748 mmHg		48%
	4.9 m/s		+24

Climate normal

11 September, Wednesday. day, 29°; night, 19°; clear

12 September, thu

	748 mmHg		56%
	4.2 m/s		+24

Climate normal

12 September, Thursday. day, 29°; night, 20°; clear

13 September, fri

	750 mmHg		59%
	4.6 m/s		+23

Climate normal

13 September, Friday. day, 28°; night, 20°; partly cloudy

14 September, sat

	750 mmHg		57%
	4.7 m/s		+24

Climate normal

14 September, Saturday. day, 28°; night, 20°; mostly clear

15 September, sun

	748 mmHg		57%
	4.8 m/s		+22

Climate normal

15 September, Sunday. day, 28°; night, 20°; heavy rain

16 September, mon

	746 mmHg		66%
	4.6 m/s

Climate normal

16 September, Monday. day, 27°; night, 18°; partly cloudy

17 September, tue

	745 mmHg		55%
	5.1 m/s

Climate normal

17 September, Tuesday. day, 27°; night, 19°; partly cloudy

18 September, wed

	745 mmHg		63%
	4.5 m/s

Climate normal

18 September, Wednesday. day, 27°; night, 23°; partly cloudy

19 September, thu

	745 mmHg		66%
	5.3 m/s

Climate normal

19 September, Thursday. day, 24°; night, 21°; light rain

20 September, fri

	747 mmHg		77%
	4.2 m/s

Climate normal

20 September, Friday. day, 23°; night, 22°; light rain

21 September, sat

	746 mmHg		94%
	4.4 m/s

Climate normal

21 September, Saturday. day, 27°; night, 22°; partly cloudy

22 September, sun

	745 mmHg		89%
	3.8 m/s

Climate normal

22 September, Sunday. day, 28°; night, 20°; light rain

23 September, mon

	742 mmHg		93%
	3.8 m/s

Climate normal

23 September, Monday. day, 25°; night, 23°; light rain

24 September, tue

	736 mmHg		88%
	7.3 m/s

Climate normal

24 September, Tuesday. day, 21°; night, 13°; rain

25 September, wed

	740 mmHg		88%
	4.8 m/s

Climate normal

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

26 September, thu

	744 mmHg		87%
	2.1 m/s

Climate normal

26 September, Thursday. day, 20°; night, 14°; clear

27 September, fri

	745 mmHg		76%
	5.3 m/s

Climate normal

27 September, Friday. day, 23°; night, 16°; mostly clear

28 September, sat

	744 mmHg		69%
	4.5 m/s

Climate normal

28 September, Saturday. day, 25°; night, 19°; clear

29 September, sun

	744 mmHg		88%
	3.2 m/s

Climate normal

29 September, Sunday. day, 27°; night, 20°; clear

30 September, mon

	744 mmHg		89%
	6.7 m/s

Climate normal

30 September, Monday. day, 24°; night, 15°; light rain

1 October, tue

	750 mmHg		75%
	3.6 m/s

Climate normal

1 October, Tuesday. day, 16°; night, 11°; partly cloudy

2 October, wed

	753 mmHg		88%
	2.7 m/s

Climate normal

2 October, Wednesday. day, 15°; night, 8°; partly cloudy

3 October, thu

	750 mmHg		90%
	5.6 m/s

Climate normal

3 October, Thursday. day, 17°; night, 9°; partly cloudy

4 October, fri

	746 mmHg		73%
	4.3 m/s

Climate normal

4 October, Friday. day, 19°; night, 11°; partly cloudy

5 October, sat

	744 mmHg		72%
	2.7 m/s

Climate normal

5 October, Saturday. day, 21°; night, 15°; clear

Average for 30 days

14

sunny days

7

days with precipitation

9

cloudy days

14 sunny days; 7 days with precipitation; 9 cloudy days;

70

%

air humidity

4.8

m/s

WindW

15

mm of precipitation

(2% of annual average)

+22

°C

Water temperature

air humidity 70%; 15 millimeters of precipitation (2% of annual average); Wind westerly 4.8 Meters per second; Water temperature +22°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

N

N

W

W

SW

S

E

E

E

E

N

NE

NE

SW

E

S

W

S

SW

W

SW

S

S

S

SW

W

W

N

NW

W

6

Average data for 10 years

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

1

October

2

3

4

5

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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