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September weather forecast in Thousand Oaks

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

	744 mmHg		66%
	2.8 m/s		+21

31 August, Sunday. day, 27°; night, 18°; clear

1 September, mon

	744 mmHg		66%
	2.8 m/s		+21

1 September, Monday. day, 27°; night, 18°; clear

2 September, tue

	744 mmHg		67%
	2.8 m/s		+21

2 September, Tuesday. day, 27°; night, 18°; clear

3 September, wed

	744 mmHg		67%
	3 m/s		+21

3 September, Wednesday. day, 27°; night, 18°; clear

4 September, thu

	744 mmHg		66%
	3 m/s		+21

4 September, Thursday. day, 28°; night, 18°; clear

5 September, fri

	744 mmHg		64%
	2.9 m/s		+21

5 September, Friday. day, 28°; night, 18°; clear

6 September, sat

	744 mmHg		63%
	2.8 m/s		+21

6 September, Saturday. day, 28°; night, 18°; clear

7 September, sun

	744 mmHg		64%
	2.9 m/s		+20

7 September, Sunday. day, 27°; night, 18°; clear

8 September, mon

	744 mmHg		66%
	3 m/s		+20

8 September, Monday. day, 26°; night, 18°; clear

9 September, tue

	744 mmHg		67%
	3 m/s		+21

9 September, Tuesday. day, 26°; night, 18°; clear

10 September, wed

	744 mmHg		68%
	2.9 m/s		+20

10 September, Wednesday. day, 26°; night, 17°; clear

11 September, thu

	745 mmHg		68%
	2.8 m/s		+21

11 September, Thursday. day, 26°; night, 17°; clear

12 September, fri

	745 mmHg		67%
	3 m/s		+21

12 September, Friday. day, 26°; night, 17°; clear

13 September, sat

	744 mmHg		67%
	2.9 m/s		+20

13 September, Saturday. day, 25°; night, 17°; clear

14 September, sun

	744 mmHg		68%
	2.9 m/s		+21

14 September, Sunday. day, 25°; night, 17°; clear

15 September, mon

	744 mmHg		67%
	3 m/s		+21

15 September, Monday. day, 25°; night, 17°; clear

16 September, tue

	745 mmHg		67%
	2.9 m/s		+20

16 September, Tuesday. day, 25°; night, 16°; clear

17 September, wed

	745 mmHg		68%
	2.9 m/s		+20

17 September, Wednesday. day, 24°; night, 16°; clear

18 September, thu

	744 mmHg		68%
	2.8 m/s		+20

18 September, Thursday. day, 25°; night, 16°; clear

19 September, fri

	744 mmHg		69%
	3 m/s		+20

19 September, Friday. day, 25°; night, 16°; clear

20 September, sat

	744 mmHg		70%
	2.9 m/s		+20

20 September, Saturday. day, 24°; night, 16°; clear

21 September, sun

	744 mmHg		69%
	3 m/s		+20

21 September, Sunday. day, 24°; night, 16°; partly cloudy

22 September, mon

	744 mmHg		68%
	3 m/s		+20

22 September, Monday. day, 25°; night, 16°; rain

23 September, tue

	745 mmHg		64%
	2.9 m/s		+20

23 September, Tuesday. day, 25°; night, 16°; clear

24 September, wed

	745 mmHg		64%
	2.8 m/s		+21

24 September, Wednesday. day, 26°; night, 16°; clear

25 September, thu

	745 mmHg		63%
	2.9 m/s		+21

25 September, Thursday. day, 26°; night, 17°; clear

26 September, fri

	745 mmHg		65%
	2.9 m/s		+21

26 September, Friday. day, 25°; night, 16°; partly cloudy

27 September, sat

	745 mmHg		65%
	2.8 m/s		+20

27 September, Saturday. day, 25°; night, 16°; partly cloudy

28 September, sun

	745 mmHg		66%
	2.7 m/s		+20

28 September, Sunday. day, 25°; night, 16°; partly cloudy

29 September, mon

	745 mmHg		64%
	2.8 m/s		+20

29 September, Monday. day, 25°; night, 16°; clear

30 September, tue

	745 mmHg		62%
	2.8 m/s		+20

30 September, Tuesday. day, 26°; night, 16°; clear

1 October, wed

	745 mmHg		61%
	2.9 m/s		+20

1 October, Wednesday. day, 25°; night, 16°; clear

2 October, thu

	745 mmHg		63%
	3 m/s		+20

2 October, Thursday. day, 25°; night, 16°; clear

3 October, fri

	745 mmHg		65%
	2.9 m/s		+20

3 October, Friday. day, 24°; night, 15°; clear

4 October, sat

	745 mmHg		66%
	3 m/s		+19

4 October, Saturday. day, 24°; night, 15°; rain

Average data for 10 years

Thousand Oaks September

25

sunny days

1

day with precipitation

4

cloudy days

25 sunny days; 1 day with precipitation; 4 cloudy days;

66

%

air humidity

1.4

m/s

WindS

6

mm of precipitation

(2% of annual average)

+20

°C

Water temperature

air humidity 66%; 6 millimeters of precipitation (2% of annual average); Wind southerly 1.4 Meters per second; Water temperature +20°

Weather graphs for September

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

S

S

SW

S

S

S

S

S

SW

SW

SW

SW

SW

S

SW

S

S

S

S

S

S

S

S

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

Los Angeles
San Diego
Santa Monica
Beverly Hills
Monterey
Mexicali
Santa Barbara
Glendale
San Luis Obispo

Cities with similar weather in September

Barcelona
Rome
Heraklion
Salou
Malaga
Alicante
Naples
Palermo
Rio de Janeiro

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

In September, the weather in Thousand Oaks is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, Thousand Oaks has 25 sunny, 4 partly cloudy, and 1 rainy day in September. The rains are usually light. September as well as May, June, July, and August is considered the most comfortable time to visit Thousand Oaks.

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