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September weather forecast in Santa Cruz

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

	758 mmHg		86%
	6.6 m/s		+16

31 August, Sunday. day, 17°; night, 14°; clear

1 September, mon

	758 mmHg		84%
	6.4 m/s		+16

1 September, Monday. day, 17°; night, 14°; clear

2 September, tue

	758 mmHg		83%
	6.3 m/s		+17

2 September, Tuesday. day, 17°; night, 14°; clear

3 September, wed

	759 mmHg		84%
	6.4 m/s		+16

3 September, Wednesday. day, 17°; night, 14°; clear

4 September, thu

	759 mmHg		84%
	6.6 m/s		+16

4 September, Thursday. day, 17°; night, 14°; clear

5 September, fri

	759 mmHg		83%
	6.8 m/s		+16

5 September, Friday. day, 17°; night, 14°; clear

6 September, sat

	759 mmHg		82%
	6.6 m/s		+16

6 September, Saturday. day, 18°; night, 14°; clear

7 September, sun

	759 mmHg		81%
	6.3 m/s		+16

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

8 September, mon

	758 mmHg		83%
	6.2 m/s		+16

8 September, Monday. day, 17°; night, 14°; clear

9 September, tue

	758 mmHg		85%
	6.2 m/s		+16

9 September, Tuesday. day, 17°; night, 14°; clear

10 September, wed

	759 mmHg		85%
	6 m/s		+16

10 September, Wednesday. day, 17°; night, 14°; clear

11 September, thu

	759 mmHg		85%
	6.1 m/s		+16

11 September, Thursday. day, 17°; night, 14°; clear

12 September, fri

	759 mmHg		85%
	6.2 m/s		+16

12 September, Friday. day, 17°; night, 14°; clear

13 September, sat

	759 mmHg		85%
	6.1 m/s		+16

13 September, Saturday. day, 17°; night, 14°; partly cloudy

14 September, sun

	759 mmHg		87%
	6 m/s		+16

14 September, Sunday. day, 16°; night, 14°; partly cloudy

15 September, mon

	759 mmHg		87%
	6.7 m/s		+16

15 September, Monday. day, 16°; night, 14°; partly cloudy

16 September, tue

	760 mmHg		86%
	7 m/s		+16

16 September, Tuesday. day, 16°; night, 14°; partly cloudy

17 September, wed

	760 mmHg		86%
	6.7 m/s		+16

17 September, Wednesday. day, 16°; night, 14°; partly cloudy

18 September, thu

	759 mmHg		84%
	6.7 m/s		+16

18 September, Thursday. day, 17°; night, 14°; rain

19 September, fri

	759 mmHg		83%
	6.4 m/s		+16

19 September, Friday. day, 17°; night, 14°; clear

20 September, sat

	759 mmHg		84%
	6.2 m/s		+16

20 September, Saturday. day, 17°; night, 14°; clear

21 September, sun

	759 mmHg		83%
	6.2 m/s		+16

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

22 September, mon

	759 mmHg		84%
	6.3 m/s		+16

22 September, Monday. day, 17°; night, 14°; clear

23 September, tue

	759 mmHg		83%
	6 m/s		+17

23 September, Tuesday. day, 17°; night, 14°; clear

24 September, wed

	760 mmHg		83%
	6 m/s		+17

24 September, Wednesday. day, 17°; night, 14°; clear

25 September, thu

	760 mmHg		83%
	5.8 m/s		+17

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

26 September, fri

	759 mmHg		83%
	6.1 m/s		+17

26 September, Friday. day, 17°; night, 14°; clear

27 September, sat

	759 mmHg		82%
	6.3 m/s		+17

27 September, Saturday. day, 17°; night, 14°; clear

28 September, sun

	759 mmHg		82%
	6.1 m/s		+16

28 September, Sunday. day, 17°; night, 14°; partly cloudy

29 September, mon

	760 mmHg		83%
	6.3 m/s		+16

29 September, Monday. day, 17°; night, 14°; partly cloudy

30 September, tue

	760 mmHg		83%
	6 m/s		+16

30 September, Tuesday. day, 17°; night, 14°; clear

1 October, wed

	759 mmHg		82%
	5.9 m/s		+16

1 October, Wednesday. day, 17°; night, 14°; clear

2 October, thu

	760 mmHg		80%
	6.2 m/s		+15

2 October, Thursday. day, 17°; night, 14°; clear

3 October, fri

	760 mmHg		81%
	6.5 m/s		+15

3 October, Friday. day, 17°; night, 14°; clear

4 October, sat

	760 mmHg		80%
	6.6 m/s		+15

4 October, Saturday. day, 16°; night, 14°; clear

Average data for 10 years

Santa Cruz September

22

sunny days

1

day with precipitation

7

cloudy days

22 sunny days; 1 day with precipitation; 7 cloudy days;

84

%

air humidity

4

m/s

WindW

4

mm of precipitation

(1% of annual average)

+16

°C

Water temperature

air humidity 84%; 4 millimeters of precipitation (1% of annual average); Wind westerly 4 Meters per second; Water temperature +16°

Weather graphs for September

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

W

W

NW

NW

NW

NW

NW

W

W

W

W

W

W

W

NW

NW

NW

W

W

W

W

W

W

W

W

W

W

W

W

W

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

San Francisco
Sacramento
Oakland
Redding
Monterey
San Jose
Reno
Santa Barbara
Stanford

Cities with similar weather in September

Sydney
Vancouver
Boston
Seattle
Lima
Brisbane
San Sebastian
Santander
Durban

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

September in Santa Cruz is the sunniest and the warmest month of the year. In September, the weather in Santa Cruz is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, Santa Cruz has 22 sunny, 7 partly cloudy, and 1 rainy day in September. The rains are usually light. September as well as July, August, and October is considered the most comfortable time to visit Santa Cruz.

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