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September weather forecast in Port Coquitlam

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

	682 mmHg		82%
	2.4 m/s		+16

31 August, Sunday. day, 18°; night, 10°; rain

1 September, mon

	682 mmHg		80%
	2.3 m/s		+16

1 September, Monday. day, 18°; night, 10°; partly cloudy

2 September, tue

	682 mmHg		79%
	2.2 m/s		+16

2 September, Tuesday. day, 19°; night, 9°; partly cloudy

3 September, wed

	682 mmHg		79%
	2.2 m/s		+16

3 September, Wednesday. day, 19°; night, 10°; clear

4 September, thu

	683 mmHg		80%
	2.09 m/s		+16

4 September, Thursday. day, 19°; night, 9°; rain

5 September, fri

	683 mmHg		81%
	2.2 m/s		+15

5 September, Friday. day, 18°; night, 9°; rain

6 September, sat

	684 mmHg		79%
	2.09 m/s		+16

6 September, Saturday. day, 18°; night, 10°; clear

7 September, sun

	684 mmHg		78%
	2.3 m/s		+16

7 September, Sunday. day, 19°; night, 10°; clear

8 September, mon

	683 mmHg		80%
	2.2 m/s		+16

8 September, Monday. day, 18°; night, 10°; clear

9 September, tue

	682 mmHg		81%
	2.09 m/s		+16

9 September, Tuesday. day, 18°; night, 10°; rain

10 September, wed

	683 mmHg		80%
	2.3 m/s		+17

10 September, Wednesday. day, 18°; night, 9°; clear

11 September, thu

	683 mmHg		77%
	2.2 m/s		+17

11 September, Thursday. day, 19°; night, 10°; clear

12 September, fri

	683 mmHg		79%
	2.09 m/s		+17

12 September, Friday. day, 19°; night, 10°; clear

13 September, sat

	682 mmHg		81%
	2.2 m/s		+16

13 September, Saturday. day, 19°; night, 9°; clear

14 September, sun

	681 mmHg		81%
	2.2 m/s		+16

14 September, Sunday. day, 18°; night, 9°; partly cloudy

15 September, mon

	680 mmHg		82%
	2.2 m/s		+16

15 September, Monday. day, 17°; night, 9°; rain

16 September, tue

	681 mmHg		83%
	2.09 m/s		+16

16 September, Tuesday. day, 16°; night, 9°; rain

17 September, wed

	681 mmHg		84%
	2.2 m/s		+16

17 September, Wednesday. day, 15°; night, 9°; rain

18 September, thu

	681 mmHg		86%
	2.2 m/s		+15

18 September, Thursday. day, 15°; night, 8°; rain

19 September, fri

	682 mmHg		85%
	2.09 m/s		+15

19 September, Friday. day, 15°; night, 8°; rain

20 September, sat

	683 mmHg		84%
	2.2 m/s		+15

20 September, Saturday. day, 16°; night, 8°; rain

21 September, sun

	683 mmHg		81%
	2.09 m/s		+15

21 September, Sunday. day, 16°; night, 7°; partly cloudy

22 September, mon

	682 mmHg		79%
	2.09 m/s		+15

22 September, Monday. day, 16°; night, 8°; clear

23 September, tue

	682 mmHg		81%
	2.2 m/s		+15

23 September, Tuesday. day, 16°; night, 8°; partly cloudy

24 September, wed

	683 mmHg		82%
	2.2 m/s		+15

24 September, Wednesday. day, 16°; night, 8°; partly cloudy

25 September, thu

	682 mmHg		82%
	2.3 m/s		+15

25 September, Thursday. day, 16°; night, 8°; rain

26 September, fri

	682 mmHg		85%
	2.2 m/s		+15

26 September, Friday. day, 15°; night, 8°; rain

27 September, sat

	683 mmHg		84%
	2.2 m/s		+15

27 September, Saturday. day, 16°; night, 7°; rain

28 September, sun

	682 mmHg		81%
	2.4 m/s		+15

28 September, Sunday. day, 16°; night, 7°; clear

29 September, mon

	681 mmHg		81%
	2.4 m/s		+15

29 September, Monday. day, 15°; night, 7°; rain

30 September, tue

	681 mmHg		82%
	2.4 m/s		+14

30 September, Tuesday. day, 14°; night, 7°; overcast

1 October, wed

	682 mmHg		83%
	2.3 m/s		+14

1 October, Wednesday. day, 14°; night, 6°; clear

2 October, thu

	682 mmHg		84%
	2.09 m/s		+14

2 October, Thursday. day, 13°; night, 6°; partly cloudy

3 October, fri

	682 mmHg		82%
	2.09 m/s		+14

3 October, Friday. day, 13°; night, 5°; clear

4 October, sat

	682 mmHg		82%
	2.09 m/s		+14

4 October, Saturday. day, 13°; night, 6°; clear

Average data for 10 years

Port Coquitlam September

10

sunny days

13

days with precipitation

10

cloudy days

10 sunny days; 13 days with precipitation; 10 cloudy days;

81

%

air humidity

1.3

m/s

WindSE

178

mm of precipitation

(6% of annual average)

+16

°C

Water temperature

air humidity 81%; 178 millimeters of precipitation (6% of annual average); Wind south-easterly 1.3 Meters per second; Water temperature +16°

Weather graphs for September

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

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Vancouver
Seattle
Portland
Victoria
Vancouver
Mount Ranier National Park
Courtenay
Kelowna
Tofino

Cities with similar weather in September

Sydney
San Francisco
Balkhash
Montreal
Bruges
San Sebastian
Brighton
Rijeka
Bournemouth

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

In September, the weather in Port Coquitlam is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, Port Coquitlam has 13 rainy, 10 sunny, 6 partly cloudy, and 1 cloudy day in September. The rains are usually heavy.

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