Port Coquitlam
September
Weather in Port Coquitlam for September 2025
Your guide to Port Coquitlam weather in September - trends and predictions
In general, the average temperature in Port Coquitlam at the beginning of September is 23.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.3 °C by the end of September.
The climate of Port Coquitlam in September is notably wet, with an average of 13 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
17
Dry days
13
Rainy days
0
Snow days
19°/10°
Temperatures
10 km/h
Avg max wind
74 %
Avg humidity
Port Coquitlam in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 25° | 3  19° | 4  21° | 5  24° | 6  24° | 7 25° |
| 8 23° | 9 21° | 10 21° | 11 17° | 12 16° | 13 17° | 14 21° |
| 15 21° | 16 21° | 17 16° | 18 17° | 19 13° | 20 17° | 21 20° |
| 22 19° | 23 17° | 24  20° | 25  17° | 26 13° | 27 14° | 28 13° |
| 29 14° | 30 16° |
You can click on date
Access Port Coquitlam weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Port Coquitlam
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 28° /13° | 0 mm | 7 | |
| 2 Sept. | Sunny | 25° /14° | 0 mm | 6 | |
| 3 Sept. | Light rain shower | 19° /13° | 1 mm | 4 | |
| 4 Sept. | Fog | 21° /12° | 0.2 mm | 5 | |
| 5 Sept. | Overcast | 24° /13° | 0 mm | 6 | |
| 6 Sept. | Partly cloudy | 24° /12° | 0 mm | 6 | |
| 7 Sept. | Partly cloudy | 25° /13° | 0 mm | 7 | |
| 8 Sept. | Partly cloudy | 23° /12° | 0 mm | 6 | |
| 9 Sept. | Partly cloudy | 21° /12° | 0.1 mm | 5 | |
| 10 Sept. | Overcast | 21° /12° | 0 mm | 5 | |
| 11 Sept. | Patchy rain possible | 17° /10° | 0.2 mm | 4 | |
| 12 Sept. | Mist | 16° /10° | 0 mm | 4 | |
| 13 Sept. | Fog | 17° /11° | 1.1 mm | 4 | |
| 14 Sept. | Partly cloudy | 21° /10° | 3.7 mm | 6 | |
| 15 Sept. | Sunny | 21° /10° | 0.2 mm | 5 | |
| 16 Sept. | Overcast | 21° /9° | 0 mm | 5 | |
| 17 Sept. | Overcast | 16° /10° | 0.9 mm | 4 | |
| 18 Sept. | Patchy rain possible | 17° /10° | 0.4 mm | 4 | |
| 19 Sept. | Mist | 13° /10° | 3.1 mm | 3 | |
| 20 Sept. | Mist | 17° /9° | 0.2 mm | 4 | |
| 21 Sept. | Overcast | 20° /8° | 0 mm | 5 | |
| 22 Sept. | Sunny | 19° /10° | 7.2 mm | 5 | |
| 23 Sept. | Light rain shower | 17° /11° | 5.6 mm | 4 | |
| 24 Sept. | Light drizzle | 20° /10° | 5.7 mm | 5 | |
| 25 Sept. | Moderate or heavy rain with thunder | 17° /11° | 65.3 mm | 4 | |
| 26 Sept. | Moderate or heavy rain with thunder | 13° /10° | 37.2 mm | 3 | |
| 27 Sept. | Patchy rain possible | 14° /8° | 13.7 mm | 3 | |
| 28 Sept. | Light rain shower | 13° /7° | 10.4 mm | 4 | |
| 29 Sept. | Patchy rain possible | 14° /6° | 0 mm | 4 | |
| 30 Sept. | Partly cloudy | 16° /5° | 0 mm | 5 | |
| 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.
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 10°. 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 144.9 mm is expected in Port Coquitlam during September, occurring over more than 13 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 10 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 ☀️
Quick links
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.