Vancouver (WA)
September
Weather in Vancouver, Washington for September 2027
Your guide to Vancouver weather in September - trends and predictions
In general, the average temperature in Vancouver at the beginning of September is 25.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of September.
Vancouver experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 81.4 mm.
Is September a good time to visit Vancouver? check out the best time to travel to Vancouver page.
✨ Is September a good time to visit Vancouver? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
23°/12°
Temperatures
10 km/h
Avg max wind
66 %
Avg humidity
Vancouver Weather September
Move between months or click on a day
Temperatures trend during September in Vancouver
See the weather trend as well as the moving average line
September weather in Vancouver day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 26° /14° | 0.1 mm | 5 | |
| Sept. 2 |  Moderate rain | 25° /13° | 11.7 mm | 5 | |
| Sept. 3 |  Light rain | 24° /15° | 9.1 mm | 5 | |
| Sept. 4 | Light rain | 25° /13° | 4 mm | 5 | |
| Sept. 5 |  Sunny | 29° /14° | 0 mm | 6.7 | |
| Sept. 6 | Light rain | 25° /15° | 5.1 mm | 5 | |
| Sept. 7 |  Patchy rain possible | 25° /14° | 1.5 mm | 5 | |
| Sept. 8 | Patchy rain possible | 27° /13° | 2.4 mm | 6 | |
| Sept. 9 | Light rain | 27° /13° | 3.3 mm | 6 | |
| Sept. 10 | Sunny | 24° /13° | 0 mm | 6 | |
| Sept. 11 | Light rain | 20° /12° | 2.6 mm | 4 | |
| Sept. 12 | Patchy rain possible | 20° /12° | 1.8 mm | 4 | |
| Sept. 13 |  Mist | 22° /10° | 0.4 mm | 5 | |
| Sept. 14 | Patchy rain possible | 24° /11° | 1.1 mm | 5.9 | |
| Sept. 15 | Sunny | 24° /10° | 0.2 mm | 5 | |
| Sept. 16 | Sunny | 28° /13° | 0 mm | 5.7 | |
| Sept. 17 | Light rain | 24° /13° | 5.1 mm | 5.6 | |
| Sept. 18 | Overcast | 22° /13° | 0 mm | 5 | |
| Sept. 19 | Overcast | 23° /12° | 0 mm | 5.4 | |
| Sept. 20 | Light rain shower | 23° /12° | 0.3 mm | 5 | |
| Sept. 21 | Light rain | 22° /11° | 4.1 mm | 5 | |
| Sept. 22 | Sunny | 23° /12° | 0 mm | 5 | |
| Sept. 23 | Overcast | 24° /13° | 0.8 mm | 5 | |
| Sept. 24 | Light rain | 25° /13° | 2.8 mm | 4.9 | |
| Sept. 25 |  Heavy rain at times | 19° /13° | 7.2 mm | 4 | |
| Sept. 26 | Light rain | 20° /10° | 2.8 mm | 4 | |
| Sept. 27 | Light rain | 22° /12° | 3.6 mm | 4.7 | |
| Sept. 28 | Overcast | 20° /11° | 0.4 mm | 4 | |
| Sept. 29 | Light rain | 19° /11° | 3.5 mm | 3 | |
| Sept. 30 | Light rain | 21° /11° | 7.4 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Vancouver 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 Vancouver forecast closer to your planned date for the most up-to-date weather information.
Change Month
Vancouver in September - FAQ
What are the expected maximum and minimum temperatures in Vancouver during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Vancouver during September?
Moderate rainfall is anticipated in Vancouver during September, with a total of 81.4 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Vancouver during September?
The average wind speed in Vancouver during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Vancouver
Explore the daily rainfall trends and prepare for Vancouvers September weather 💧
Typically, Vancouver has 7 rainy days in September with a total of 81.4 mm of rainfall.
UV exposure in Vancouver during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Vancouver weather pages
You are here
Where is Vancouver?Get accurate weather forecasts for Vancouver, located at latitude 45.639 and longitude -122.661. Stay updated with localized weather information tailored for Vancouver.
Found a mistake?
We appreciate your attention to details. Tell us here.