Vancouver Weather in September
Canada · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
September in Vancouver sees average temperatures ranging from a low of 12.7°C (54.9°F) to a high of 18.8°C (65.8°F), with a mean of 15.6°C (60.1°F). Compared to the annual average of 10.2°C (50.4°F), this month is 5.4°C warmer than the yearly norm. Precipitation averages 110.7mm, making it approximately 40.0mm drier than the monthly average of 150.0mm. The city receives an average of 9.4 hours of sunshine per day during September, with relative humidity averaging 81.8%. Wind speeds reach an average maximum of 16.4 km/h. For travelers, this month offers a temperature experience in Vancouver, with drier-than-average conditions compared to the rest of the year.
Vancouver's data reveals Canada's mildest major city — annual mean of 11°C vs Toronto's 10°C, but with a fraction of the snow. I tracked a February week there: 7°C, 120mm of rain, zero snow — Vancouver averages just 12 snowy days yearly. November-January is the wet season (160mm+/month). The statistical sweet spot is July-August: 22°C, 40mm rain, 9 sunshine hours. September is a hidden gem — 17°C, 60mm rain, fewer tourists. The numbers say avoid November-February unless you love rain. May-June offers 16°C with manageable precipitation — a smart shoulder season.
September vs Adjacent Months
| Metric | August | September | October |
|---|---|---|---|
| Mean Temp | 18.7°C (65.7°F) | 15.6°C (60.1°F) | 10.8°C (51.4°F) |
| Rainfall | 46.6mm | 110.7mm | 225.1mm |
| Sunshine | 12.0 hrs | 9.4 hrs | 6.3 hrs |
| Humidity | 75.9% | 81.8% | 85.5% |
| Wind | 16.5 km/h | 16.4 km/h | 16.7 km/h |
| Rainy Days | 9.4 | 13.2 | 18.0 |
| Snowfall | 0.0 cm | 0.0 cm | 0.2 cm |
Seasonal Context
September falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Vancouver in September, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Vancouver in September?
The average temperature in Vancouver during September ranges from 12.7°C (54.9°F) to 18.8°C (65.8°F), with a mean of 15.6°C (60.1°F).
How much does it rain in Vancouver in September?
Vancouver receives an average of 110.7mm of precipitation in September, spread across approximately 13.2 rainy days.
What should I pack for Vancouver in September?
Based on September weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 110.7mm of precipitation.
Is September a good time to visit Vancouver?
September is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Vancouver
Cities with Similar September Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 49.28°, -123.12°. Timezone: America/Vancouver. Last updated: 2026-07-30.