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September weather forecast in Fountain Valley

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

	754 mmHg		70%
	3.9 m/s		+26

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

2 September, mon

	754 mmHg		68%
	4.4 m/s		+26

2 September, Monday. day, 22°; night, 20°; clear

3 September, tue

	754 mmHg		66%
	4.5 m/s		+26

3 September, Tuesday. day, 22°; night, 21°; clear

4 September, wed

	754 mmHg		68%
	4.3 m/s		+25

4 September, Wednesday. day, 21°; night, 20°; clear

5 September, thu

	754 mmHg		64%
	4 m/s		+26

5 September, Thursday. day, 22°; night, 21°; clear

6 September, fri

	754 mmHg		66%
	4.3 m/s		+26

6 September, Friday. day, 23°; night, 21°; clear

7 September, sat

	754 mmHg		70%
	3.9 m/s		+25

7 September, Saturday. day, 21°; night, 20°; clear

8 September, sun

	754 mmHg		69%
	3.9 m/s		+25

8 September, Sunday. day, 21°; night, 20°; clear

9 September, mon

	754 mmHg		68%
	4.5 m/s		+25

9 September, Monday. day, 21°; night, 20°; clear

10 September, tue

	755 mmHg		70%
	4 m/s		+25

10 September, Tuesday. day, 21°; night, 20°; clear

11 September, wed

	755 mmHg		73%
	4 m/s		+25

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

12 September, thu

	754 mmHg		75%
	4.4 m/s		+25

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

13 September, fri

	754 mmHg		74%
	4.3 m/s		+24

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

14 September, sat

	755 mmHg		72%
	5 m/s		+25

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

15 September, sun

	755 mmHg		67%
	4 m/s		+25

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

16 September, mon

	754 mmHg		70%
	4 m/s		+25

16 September, Monday. day, 21°; night, 19°; clear

17 September, tue

	755 mmHg		75%
	4 m/s		+24

17 September, Tuesday. day, 20°; night, 18°; clear

18 September, wed

	754 mmHg		75%
	3.7 m/s		+24

18 September, Wednesday. day, 20°; night, 19°; clear

19 September, thu

	754 mmHg		73%
	3.9 m/s		+24

19 September, Thursday. day, 21°; night, 19°; clear

20 September, fri

	754 mmHg		75%
	4.5 m/s		+24

20 September, Friday. day, 21°; night, 19°; partly cloudy

21 September, sat

	754 mmHg		75%
	4.5 m/s		+24

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

22 September, sun

	754 mmHg		68%
	4.4 m/s		+25

22 September, Sunday. day, 21°; night, 20°; clear

23 September, mon

	755 mmHg		62%
	4.4 m/s		+26

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

24 September, tue

	754 mmHg		61%
	4.5 m/s		+26

24 September, Tuesday. day, 23°; night, 22°; clear

25 September, wed

	754 mmHg		61%
	5 m/s		+26

25 September, Wednesday. day, 23°; night, 22°; clear

26 September, thu

	754 mmHg		60%
	4.5 m/s		+27

26 September, Thursday. day, 24°; night, 21°; clear

27 September, fri

	754 mmHg		66%
	4.5 m/s		+26

27 September, Friday. day, 23°; night, 22°; clear

28 September, sat

	755 mmHg		68%
	4.4 m/s		+25

28 September, Saturday. day, 21°; night, 20°; clear

29 September, sun

	755 mmHg		66%
	3.9 m/s		+25

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

30 September, mon

	755 mmHg		60%
	4 m/s		+26

30 September, Monday. day, 24°; night, 22°; clear

1 October, tue

	755 mmHg		60%
	4.1 m/s		+26

1 October, Tuesday. day, 24°; night, 22°; clear

2 October, wed

	754 mmHg		67%
	4 m/s		+24

2 October, Wednesday. day, 22°; night, 20°; partly cloudy

3 October, thu

	754 mmHg		62%
	5.3 m/s		+23

3 October, Thursday. day, 20°; night, 19°; clear

4 October, fri

	756 mmHg		67%
	4.9 m/s		+22

4 October, Friday. day, 20°; night, 19°; clear

5 October, sat

	756 mmHg		64%
	4.8 m/s		+23

5 October, Saturday. day, 21°; night, 19°; clear

Average data for 10 years

Fountain Valley September

28

sunny days

0

days with precipitation

2

cloudy days

28 sunny days; 0 days with precipitation; 2 cloudy days;

68

%

air humidity

2.4

m/s

WindSW

7

mm of precipitation

(3% of annual average)

+25

°C

Water temperature

air humidity 68%; 7 millimeters of precipitation (3% of annual average); Wind south-westerly 2.4 Meters per second; Water temperature +25°

Weather graphs for September

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

SW

SW

SW

W

SW

SW

SW

SW

SW

W

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

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
Mexicali
Yuma
Irvine
Beverly Hills
Santa Barbara
Long Beach

Cities with similar weather in September

Istanbul
Lisbon
Nice
Kobuleti
Porto
Santa Cruz de Tenerife
Funchal
Las Palmas de Gran Canaria
Costa Brava

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

September in Fountain Valley is the sunniest and the warmest month of the year. In September, the weather in Fountain Valley is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Fountain Valley has 28 sunny and 2 partly cloudy days in September. September as well as July, August, and October is considered the most comfortable time to visit Fountain Valley.

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