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September weather forecast in Lake Forest

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

	735 mmHg		55%
	3.2 m/s		+23

1 September, Sunday. day, 26°; night, 21°; clear

2 September, mon

	736 mmHg		54%
	3.4 m/s		+23

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

3 September, tue

	735 mmHg		55%
	3.7 m/s		+23

3 September, Tuesday. day, 25°; night, 21°; clear

4 September, wed

	735 mmHg		56%
	3.2 m/s		+23

4 September, Wednesday. day, 25°; night, 21°; clear

5 September, thu

	735 mmHg		52%
	3 m/s		+23

5 September, Thursday. day, 25°; night, 21°; clear

6 September, fri

	735 mmHg		54%
	3.4 m/s		+23

6 September, Friday. day, 26°; night, 21°; clear

7 September, sat

	736 mmHg		57%
	3.2 m/s		+23

7 September, Saturday. day, 24°; night, 20°; clear

8 September, sun

	736 mmHg		57%
	3.4 m/s		+23

8 September, Sunday. day, 24°; night, 20°; clear

9 September, mon

	736 mmHg		56%
	3.7 m/s		+23

9 September, Monday. day, 25°; night, 20°; clear

10 September, tue

	737 mmHg		56%
	3.5 m/s		+23

10 September, Tuesday. day, 24°; night, 20°; clear

11 September, wed

	737 mmHg		57%
	3 m/s		+23

11 September, Wednesday. day, 24°; night, 20°; clear

12 September, thu

	736 mmHg		62%
	4 m/s		+23

12 September, Thursday. day, 23°; night, 19°; clear

13 September, fri

	736 mmHg		62%
	3.7 m/s		+22

13 September, Friday. day, 23°; night, 20°; clear

14 September, sat

	736 mmHg		62%
	3.7 m/s		+22

14 September, Saturday. day, 24°; night, 21°; clear

15 September, sun

	736 mmHg		56%
	3.4 m/s		+23

15 September, Sunday. day, 25°; night, 21°; clear

16 September, mon

	736 mmHg		61%
	3.2 m/s		+23

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

17 September, tue

	736 mmHg		62%
	3.2 m/s		+22

17 September, Tuesday. day, 23°; night, 19°; clear

18 September, wed

	736 mmHg		60%
	3 m/s		+22

18 September, Wednesday. day, 23°; night, 20°; clear

19 September, thu

	736 mmHg		60%
	3.2 m/s		+22

19 September, Thursday. day, 23°; night, 20°; clear

20 September, fri

	736 mmHg		66%
	3.7 m/s		+22

20 September, Friday. day, 22°; night, 18°; partly cloudy

21 September, sat

	736 mmHg		64%
	3.2 m/s		+22

21 September, Saturday. day, 23°; night, 19°; clear

22 September, sun

	736 mmHg		56%
	3.5 m/s		+23

22 September, Sunday. day, 24°; night, 21°; clear

23 September, mon

	737 mmHg		47%
	3.9 m/s		+23

23 September, Monday. day, 26°; night, 22°; clear

24 September, tue

	736 mmHg		47%
	3.5 m/s		+23

24 September, Tuesday. day, 26°; night, 22°; clear

25 September, wed

	735 mmHg		49%
	4 m/s		+23

25 September, Wednesday. day, 26°; night, 22°; clear

26 September, thu

	735 mmHg		47%
	3.5 m/s		+24

26 September, Thursday. day, 26°; night, 22°; clear

27 September, fri

	736 mmHg		50%
	3.4 m/s		+23

27 September, Friday. day, 25°; night, 22°; clear

28 September, sat

	736 mmHg		54%
	3.5 m/s		+23

28 September, Saturday. day, 24°; night, 20°; clear

29 September, sun

	736 mmHg		50%
	3.5 m/s		+23

29 September, Sunday. day, 25°; night, 21°; clear

30 September, mon

	736 mmHg		47%
	3.7 m/s		+23

30 September, Monday. day, 26°; night, 21°; clear

1 October, tue

	736 mmHg		50%
	3.4 m/s		+23

1 October, Tuesday. day, 25°; night, 21°; clear

2 October, wed

	736 mmHg		58%
	3.2 m/s		+22

2 October, Wednesday. day, 23°; night, 19°; partly cloudy

3 October, thu

	736 mmHg		58%
	4 m/s		+21

3 October, Thursday. day, 21°; night, 17°; clear

4 October, fri

	737 mmHg		62%
	4.3 m/s		+21

4 October, Friday. day, 20°; night, 17°; clear

5 October, sat

	738 mmHg		56%
	3.9 m/s		+21

5 October, Saturday. day, 21°; night, 18°; clear

Average data for 10 years

Lake Forest September

29

sunny days

0

days with precipitation

1

cloudy day

29 sunny days; 0 days with precipitation; 1 cloudy day;

56

%

air humidity

2

m/s

WindNW

8

mm of precipitation

(3% of annual average)

+23

°C

Water temperature

air humidity 56%; 8 millimeters of precipitation (3% of annual average); Wind north-westerly 2 Meters per second; Water temperature +23°

Weather graphs for September

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

NW

W

SW

NW

E

N

NW

NW

W

NW

NW

W

W

NW

W

SW

W

W

NW

SE

NW

N

N

N

NE

N

NW

N

NE

E

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

Los Angeles
Las Vegas
San Diego
Big Bear Lake
Yuma
Santa Monica
Tijuana
Glendale
Pasadena

Cities with similar weather in September

Barcelona
Rome
Batumi
Heraklion
Nice
Salou
Malaga
Rio de Janeiro
Pisa

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

In September, the weather in Lake Forest is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Lake Forest has 29 sunny and 1 partly cloudy day in September. September as well as June, July, August, and October is considered the most comfortable time to visit Lake Forest.

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