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September weather forecast in Tillamook

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

	757 mmHg		86%
	5.8 m/s		+15

31 August, Sunday. day, 16°; night, 13°; rain

1 September, mon

	756 mmHg		84%
	6.2 m/s		+15

1 September, Monday. day, 17°; night, 13°; partly cloudy

2 September, tue

	756 mmHg		82%
	5.8 m/s		+16

2 September, Tuesday. day, 17°; night, 13°; clear

3 September, wed

	756 mmHg		83%
	5.9 m/s		+15

3 September, Wednesday. day, 17°; night, 13°; clear

4 September, thu

	757 mmHg		83%
	5.2 m/s		+15

4 September, Thursday. day, 17°; night, 13°; clear

5 September, fri

	757 mmHg		82%
	5.8 m/s		+15

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

6 September, sat

	757 mmHg		84%
	5.9 m/s		+15

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

7 September, sun

	757 mmHg		85%
	5.8 m/s		+15

7 September, Sunday. day, 17°; night, 13°; partly cloudy

8 September, mon

	756 mmHg		83%
	6.1 m/s		+15

8 September, Monday. day, 17°; night, 13°; partly cloudy

9 September, tue

	755 mmHg		82%
	6.3 m/s		+16

9 September, Tuesday. day, 17°; night, 13°; partly cloudy

10 September, wed

	756 mmHg		82%
	6 m/s		+16

10 September, Wednesday. day, 17°; night, 13°; partly cloudy

11 September, thu

	756 mmHg		82%
	5.9 m/s		+16

11 September, Thursday. day, 17°; night, 13°; clear

12 September, fri

	756 mmHg		83%
	5.5 m/s		+15

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

13 September, sat

	756 mmHg		82%
	5.9 m/s		+15

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

14 September, sun

	755 mmHg		84%
	5.8 m/s		+15

14 September, Sunday. day, 16°; night, 13°; partly cloudy

15 September, mon

	755 mmHg		86%
	6 m/s		+15

15 September, Monday. day, 16°; night, 13°; overcast

16 September, tue

	755 mmHg		87%
	5.6 m/s		+15

16 September, Tuesday. day, 15°; night, 12°; rain

17 September, wed

	755 mmHg		86%
	6.4 m/s		+15

17 September, Wednesday. day, 15°; night, 12°; rain

18 September, thu

	755 mmHg		86%
	5.9 m/s		+15

18 September, Thursday. day, 16°; night, 12°; rain

19 September, fri

	756 mmHg		86%
	5.7 m/s		+15

19 September, Friday. day, 16°; night, 12°; rain

20 September, sat

	757 mmHg		83%
	5.8 m/s		+15

20 September, Saturday. day, 16°; night, 12°; partly cloudy

21 September, sun

	757 mmHg		81%
	5.6 m/s		+15

21 September, Sunday. day, 16°; night, 12°; clear

22 September, mon

	756 mmHg		79%
	5.9 m/s		+15

22 September, Monday. day, 16°; night, 13°; clear

23 September, tue

	757 mmHg		81%
	6 m/s		+15

23 September, Tuesday. day, 16°; night, 12°; partly cloudy

24 September, wed

	756 mmHg		82%
	6 m/s		+15

24 September, Wednesday. day, 16°; night, 12°; clear

25 September, thu

	756 mmHg		84%
	6.6 m/s		+15

25 September, Thursday. day, 16°; night, 12°; rain

26 September, fri

	757 mmHg		84%
	6.9 m/s		+15

26 September, Friday. day, 16°; night, 12°; rain

27 September, sat

	757 mmHg		83%
	7 m/s		+15

27 September, Saturday. day, 16°; night, 12°; clear

28 September, sun

	756 mmHg		82%
	6.2 m/s		+15

28 September, Sunday. day, 16°; night, 12°; clear

29 September, mon

	755 mmHg		82%
	6.5 m/s		+14

29 September, Monday. day, 15°; night, 12°; rain

30 September, tue

	756 mmHg		85%
	6.7 m/s		+14

30 September, Tuesday. day, 15°; night, 12°; rain

1 October, wed

	756 mmHg		83%
	6.2 m/s		+14

1 October, Wednesday. day, 15°; night, 11°; clear

2 October, thu

	757 mmHg		83%
	6.4 m/s		+14

2 October, Thursday. day, 14°; night, 11°; partly cloudy

3 October, fri

	756 mmHg		83%
	6.7 m/s		+14

3 October, Friday. day, 14°; night, 11°; clear

4 October, sat

	756 mmHg		81%
	6.3 m/s		+14

4 October, Saturday. day, 14°; night, 11°; clear

Average data for 10 years

Tillamook September

11

sunny days

8

days with precipitation

6

cloudy days

11 sunny days; 8 days with precipitation; 6 cloudy days;

83

%

air humidity

4

m/s

WindS

75

mm of precipitation

(4% of annual average)

+15

°C

Water temperature

air humidity 83%; 75 millimeters of precipitation (4% of annual average); Wind southerly 4 Meters per second; Water temperature +15°

Weather graphs for September

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

SW

S

SW

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

SW

SW

S

SW

SW

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

Vancouver
Seattle
Portland
Tacoma
Victoria
Mount Ranier National Park
Leavenworth
Salem
Vancouver

Cities with similar weather in September

Riga
Yurmala
Palanga
Copenhagen
Capetown
Gdansk
Looe
Klaipeda
Bruges

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

September in Tillamook is the sunniest month of the year. In September, the weather in Tillamook is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, Tillamook has 11 sunny, 10 partly cloudy, 8 rainy, and 1 cloudy day in September. The rains are usually heavy.

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