Vancouver weather in September
September in Vancouver: nice, soaked, with clean air — an excellent time to visit.
#5 of 12 months in Vancouver · #316 of 604 destinations to visit in September · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Vancouver climate normals — September
| Daytime high | 20°C / 68°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 20°C / 68°F | |
| Rainfall | 170 mm / 6.7 in | ⛈ soaked |
| Rainy days | 11 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.6 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Vancouver in September — FAQ
- Is September a good time to visit Vancouver?
- September in Vancouver: nice, soaked, with clean air — an excellent time to visit. It ranks #5 of 12 months for Vancouver on SeasonMap's comfort score (80/100).
- What is the weather like in Vancouver in September?
- In September, Vancouver averages a daily high of 19.9°C and a low of 12.7°C, with about 170.1 mm of rain over roughly 10.8 rainy days.
- What is the air quality in Vancouver in September?
- Vancouver has a mean US Air Quality Index of about 46 in September.