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September weather forecast in San Luis Obispo

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

	741 mmHg		46%
	3.5 m/s		+19

1 September, Sunday. day, 25°; night, 18°; clear

2 September, mon

	741 mmHg		46%
	3.7 m/s		+19

2 September, Monday. day, 25°; night, 19°; clear

3 September, tue

	741 mmHg		49%
	3.5 m/s		+19

3 September, Tuesday. day, 24°; night, 17°; clear

4 September, wed

	741 mmHg		47%
	4 m/s		+18

4 September, Wednesday. day, 24°; night, 18°; clear

5 September, thu

	741 mmHg		43%
	3.7 m/s		+18

5 September, Thursday. day, 24°; night, 20°; clear

6 September, fri

	741 mmHg		40%
	3.2 m/s		+18

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

7 September, sat

	741 mmHg		46%
	3.2 m/s		+18

7 September, Saturday. day, 24°; night, 17°; clear

8 September, sun

	741 mmHg		50%
	3.5 m/s		+18

8 September, Sunday. day, 24°; night, 18°; clear

9 September, mon

	741 mmHg		52%
	2.9 m/s		+18

9 September, Monday. day, 24°; night, 18°; clear

10 September, tue

	742 mmHg		56%
	3.2 m/s		+18

10 September, Tuesday. day, 24°; night, 17°; clear

11 September, wed

	742 mmHg		60%
	3.7 m/s		+18

11 September, Wednesday. day, 23°; night, 17°; clear

12 September, thu

	741 mmHg		56%
	3.2 m/s		+18

12 September, Thursday. day, 22°; night, 16°; clear

13 September, fri

	741 mmHg		57%
	4 m/s		+18

13 September, Friday. day, 22°; night, 17°; clear

14 September, sat

	742 mmHg		54%
	4.4 m/s		+18

14 September, Saturday. day, 23°; night, 18°; clear

15 September, sun

	742 mmHg		49%
	4.1 m/s		+19

15 September, Sunday. day, 23°; night, 18°; clear

16 September, mon

	742 mmHg		51%
	3.7 m/s		+18

16 September, Monday. day, 23°; night, 18°; clear

17 September, tue

	742 mmHg		50%
	3.5 m/s		+18

17 September, Tuesday. day, 24°; night, 19°; clear

18 September, wed

	741 mmHg		46%
	3.5 m/s		+18

18 September, Wednesday. day, 24°; night, 19°; clear

19 September, thu

	741 mmHg		51%
	3.4 m/s		+18

19 September, Thursday. day, 23°; night, 18°; clear

20 September, fri

	741 mmHg		55%
	4.1 m/s		+18

20 September, Friday. day, 23°; night, 17°; clear

21 September, sat

	741 mmHg		55%
	4 m/s		+18

21 September, Saturday. day, 22°; night, 18°; clear

22 September, sun

	742 mmHg		44%
	3.9 m/s		+19

22 September, Sunday. day, 24°; night, 19°; clear

23 September, mon

	742 mmHg		38%
	3.7 m/s		+20

23 September, Monday. day, 25°; night, 19°; clear

24 September, tue

	742 mmHg		40%
	4 m/s		+19

24 September, Tuesday. day, 25°; night, 20°; clear

25 September, wed

	741 mmHg		38%
	3.9 m/s		+20

25 September, Wednesday. day, 25°; night, 20°; clear

26 September, thu

	741 mmHg		38%
	3.7 m/s		+19

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

27 September, fri

	741 mmHg		43%
	3.5 m/s		+19

27 September, Friday. day, 25°; night, 18°; clear

28 September, sat

	742 mmHg		51%
	3.7 m/s		+18

28 September, Saturday. day, 23°; night, 18°; clear

29 September, sun

	742 mmHg		47%
	4 m/s		+18

29 September, Sunday. day, 23°; night, 18°; clear

30 September, mon

	742 mmHg		46%
	4.1 m/s		+19

30 September, Monday. day, 24°; night, 19°; clear

1 October, tue

	742 mmHg		40%
	4 m/s		+19

1 October, Tuesday. day, 24°; night, 19°; clear

2 October, wed

	741 mmHg		46%
	4.5 m/s		+18

2 October, Wednesday. day, 21°; night, 16°; clear

3 October, thu

	741 mmHg		51%
	4 m/s		+17

3 October, Thursday. day, 20°; night, 16°; clear

4 October, fri

	742 mmHg		54%
	4.4 m/s		+16

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

5 October, sat

	743 mmHg		47%
	4 m/s		+17

5 October, Saturday. day, 21°; night, 17°; clear

Average data for 10 years

San Luis Obispo September

30

sunny days

0

days with precipitation

0

cloudy days

30 sunny days; 0 days with precipitation; 0 cloudy days;

49

%

air humidity

2.2

m/s

WindNW

0.4

mm of precipitation

(1% of annual average)

+18

°C

Water temperature

air humidity 49%; 0.4 millimeters of precipitation (1% of annual average); Wind north-westerly 2.2 Meters per second; Water temperature +18°

Weather graphs for September

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

W

W

W

NW

NW

W

W

W

W

W

W

NW

W

NW

NW

W

NW

NW

W

W

NW

NW

NW

NW

NW

NW

W

NW

NW

NW

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 Francisco
Sacramento
Oakland
San Jose
Irvine
Beverly Hills
Cupertino
Santa Barbara

Cities with similar weather in September

Batumi
Lisbon
Heraklion
Nice
Hersonisos
Kobuleti
Kos
Santa Cruz de Tenerife
Funchal

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

September in San Luis Obispo is the warmest month of the year. In September, the weather in San Luis Obispo is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, San Luis Obispo has 30 sunny days in September. September as well as June, July, August, and October is considered the most comfortable time to visit San Luis Obispo.

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