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Weather in Port Coquitlam for September 2026

Your guide to Port Coquitlam weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Port Coquitlam at the beginning of September is 24.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Port Coquitlam in September is notably wet, with an average of 11 rainy days, and a total of 156 mm of precipitation.

    • More

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Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/11°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Port Coquitlam Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
25°
2
Overcast
26°
3
Light rain shower
22°
4
Fog
23°
5
Sunny
27°
6
Partly cloudy
25°
7
Partly cloudy
22°
8
Partly cloudy
21°
9
Partly cloudy
20°
10
Overcast
20°
11
Patchy rain possible
17°
12
Mist
16°
13
Fog
18°
14
Partly cloudy
19°
15
Sunny
21°
16
Sunny
23°
17
Overcast
19°
18
Patchy rain possible
18°
19
Mist
17°
20
Mist
18°
21
Overcast
19°
22
Sunny
19°
23
Light rain shower
19°
24
Light drizzle
21°
25
Moderate or heavy rain with thunder
15°
26
Moderate or heavy rain with thunder
13°
27
Patchy rain possible
15°
28
Overcast
15°
29
Patchy rain possible
15°
30
Partly cloudy
17°

Temperatures trend during September in Port Coquitlam

See the weather trend as well as the moving average line

September weather in Port Coquitlam day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 25° /13° 0 mm 6
2 Sept. Overcast
Overcast
 26° /14° 0 mm 6
3 Sept. Light rain shower
Light rain shower
 22° /15° 0.6 mm 5
4 Sept. Fog
Fog
 23° /14° 0.1 mm 6
5 Sept. Sunny
Sunny
 27° /15° 0 mm 6
6 Sept. Partly cloudy
Partly cloudy
 25° /14° 0 mm 6
7 Sept. Partly cloudy
Partly cloudy
 22° /13° 7.8 mm 6
8 Sept. Partly cloudy
Partly cloudy
 21° /12° 0 mm 5
9 Sept. Partly cloudy
Partly cloudy
 20° /13° 0.1 mm 5
10 Sept. Overcast
Overcast
 20° /13° 0 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
 17° /11° 0.1 mm 4
12 Sept. Mist
Mist
 16° /11° 0 mm 4
13 Sept. Fog
Fog
 18° /12° 0.7 mm 4
14 Sept. Partly cloudy
Partly cloudy
 19° /11° 2.4 mm 5
15 Sept. Sunny
Sunny
 21° /10° 0.2 mm 5
16 Sept. Sunny
Sunny
 23° /10° 0 mm 6
17 Sept. Overcast
Overcast
 19° /12° 0.6 mm 4
18 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 0.3 mm 4
19 Sept. Mist
Mist
 17° /11° 2.1 mm 4
20 Sept. Mist
Mist
 18° /10° 0.7 mm 4
21 Sept. Overcast
Overcast
 19° /9° 17.6 mm 4
22 Sept. Sunny
Sunny
 19° /10° 4.8 mm 5
23 Sept. Light rain shower
Light rain shower
 19° /10° 3.7 mm 4
24 Sept. Light drizzle
Light drizzle
 21° /10° 3.8 mm 5
25 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 15° /10° 43.5 mm 4
26 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 13° /9° 26.1 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 16.2 mm 3
28 Sept. Overcast
Overcast
 15° /9° 6.9 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 42.8 mm 4
30 Sept. Partly cloudy
Partly cloudy
 17° /7° 9.9 mm 4
Next
Important Notice
Our weather forecast for Port Coquitlam in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Port Coquitlam forecast closer to your planned date for the most up-to-date weather information.
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Port Coquitlam in September - FAQ

What are the expected maximum and minimum temperatures in Port Coquitlam during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Port Coquitlam during September?
Significant rainfall exceeding 156 mm is expected in Port Coquitlam during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Port Coquitlam during September?
The average wind speed in Port Coquitlam during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Port Coquitlam

Explore the daily rainfall trends and prepare for Port Coquitlams September weather 💧

UV exposure in Port Coquitlam during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Port Coquitlam?

Get accurate weather forecasts for Port Coquitlam, located at latitude 49.266 and longitude -122.769. Stay updated with localized weather information tailored for Port Coquitlam.

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