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September weather forecast in Crescent City

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		77%
	5.9 m/s		+17

31 August, Sunday. day, 20°; night, 15°; clear

1 September, mon

	758 mmHg		75%
	5.9 m/s		+16

1 September, Monday. day, 21°; night, 15°; clear

2 September, tue

	758 mmHg		77%
	5.4 m/s		+17

2 September, Tuesday. day, 21°; night, 15°; clear

3 September, wed

	758 mmHg		76%
	5.4 m/s		+16

3 September, Wednesday. day, 21°; night, 15°; clear

4 September, thu

	758 mmHg		77%
	5.6 m/s		+16

4 September, Thursday. day, 20°; night, 15°; clear

5 September, fri

	759 mmHg		77%
	5.6 m/s		+16

5 September, Friday. day, 21°; night, 15°; clear

6 September, sat

	759 mmHg		77%
	5.5 m/s		+16

6 September, Saturday. day, 21°; night, 15°; clear

7 September, sun

	759 mmHg		76%
	5.5 m/s		+16

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

8 September, mon

	758 mmHg		76%
	5.5 m/s		+17

8 September, Monday. day, 21°; night, 15°; clear

9 September, tue

	757 mmHg		77%
	5.5 m/s		+18

9 September, Tuesday. day, 21°; night, 15°; clear

10 September, wed

	758 mmHg		79%
	5.3 m/s		+17

10 September, Wednesday. day, 21°; night, 15°; clear

11 September, thu

	759 mmHg		81%
	4.69 m/s		+16

11 September, Thursday. day, 21°; night, 15°; clear

12 September, fri

	758 mmHg		81%
	4.6 m/s		+17

12 September, Friday. day, 20°; night, 15°; clear

13 September, sat

	758 mmHg		80%
	4.9 m/s		+16

13 September, Saturday. day, 20°; night, 15°; partly cloudy

14 September, sun

	758 mmHg		81%
	5.1 m/s		+15

14 September, Sunday. day, 20°; night, 14°; partly cloudy

15 September, mon

	758 mmHg		84%
	5 m/s		+15

15 September, Monday. day, 19°; night, 14°; partly cloudy

16 September, tue

	759 mmHg		82%
	4.9 m/s		+16

16 September, Tuesday. day, 18°; night, 14°; partly cloudy

17 September, wed

	759 mmHg		84%
	5.5 m/s		+15

17 September, Wednesday. day, 19°; night, 14°; rain

18 September, thu

	759 mmHg		82%
	5.5 m/s		+16

18 September, Thursday. day, 19°; night, 14°; rain

19 September, fri

	759 mmHg		79%
	5.9 m/s		+16

19 September, Friday. day, 20°; night, 14°; clear

20 September, sat

	759 mmHg		75%
	6 m/s		+15

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

21 September, sun

	758 mmHg		75%
	5.7 m/s		+15

21 September, Sunday. day, 20°; night, 14°; clear

22 September, mon

	758 mmHg		77%
	5.2 m/s		+15

22 September, Monday. day, 20°; night, 14°; clear

23 September, tue

	759 mmHg		79%
	5.2 m/s		+15

23 September, Tuesday. day, 20°; night, 14°; partly cloudy

24 September, wed

	759 mmHg		79%
	5 m/s		+15

24 September, Wednesday. day, 20°; night, 14°; partly cloudy

25 September, thu

	759 mmHg		78%
	5.2 m/s		+16

25 September, Thursday. day, 20°; night, 14°; rain

26 September, fri

	759 mmHg		76%
	5.3 m/s		+16

26 September, Friday. day, 20°; night, 14°; clear

27 September, sat

	759 mmHg		78%
	5.3 m/s		+16

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

28 September, sun

	759 mmHg		81%
	4.9 m/s		+16

28 September, Sunday. day, 20°; night, 14°; clear

29 September, mon

	759 mmHg		82%
	4.9 m/s		+15

29 September, Monday. day, 19°; night, 13°; rain

30 September, tue

	759 mmHg		82%
	5.3 m/s		+15

30 September, Tuesday. day, 19°; night, 13°; partly cloudy

1 October, wed

	759 mmHg		81%
	5.2 m/s		+15

1 October, Wednesday. day, 19°; night, 13°; clear

2 October, thu

	760 mmHg		81%
	5.5 m/s		+15

2 October, Thursday. day, 18°; night, 13°; clear

3 October, fri

	759 mmHg		80%
	5.4 m/s		+15

3 October, Friday. day, 18°; night, 13°; clear

4 October, sat

	759 mmHg		81%
	5.2 m/s		+15

4 October, Saturday. day, 18°; night, 13°; clear

Average data for 10 years

Crescent City September

19

sunny days

4

days with precipitation

2

cloudy days

19 sunny days; 4 days with precipitation; 2 cloudy days;

79

%

air humidity

3.4

m/s

WindSW

38

mm of precipitation

(3% of annual average)

+16

°C

Water temperature

air humidity 79%; 38 millimeters of precipitation (3% of annual average); Wind south-westerly 3.4 Meters per second; Water temperature +16°

Weather graphs for September

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

SW

SW

S

SW

S

SW

S

S

S

S

S

S

S

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

Portland
Salem
Eugene
Woodburn
Eureka
Redding
Klamath Falls
Clackamas
Napa

Cities with similar weather in September

San Francisco
Vancouver
Genoa
Boston
Seattle
Lima
San Sebastian
San Jose
Santander

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

In September, the weather in Crescent City is typically warm. Average daily high temperature in September is about 20 degrees above zero. On average, Crescent City has 19 sunny, 7 partly cloudy, and 4 rainy days in September. The rains are usually heavy.

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