Ans: Earthquakes occur on faults - strike-slip earthquakes occur on strike-slip faults, normal earthquakes occur on normal faults, and thrust earthquakes occur on thrust or reverse faults. When an earthquake occurs on one of these faults, the rock on one side of the fault slips with respect to the other.
September Weather in Vancouver is mild and comfortable.: Allan Fotheringham once called Vancouver the Canadian city with the best climate and the worst weather. September has the potential to show visitors great Vancouver weather -- mild and clear; however, dull and grey is another possibility. 1  Average September temperature: 14.4ÂºC / 58ÂºF. 2  September average high: 18.3ÂºC / 65ÂºF. 3  September average low: 10ÂºC / 50ÂºF. 4  September is not so rainy in a city famous for its rain.
The weather cools in the fall months, with the daily high in October averaging 13Â°C (55Â°F); by December, the daily high has dropped to 6Â°C (43Â°F). Fall is the rainiest month in Vancouver; the month of October averages 10 cm (4 in) of rain, while November and December each receive about 18 cm (7 in) of rain. For current conditions, forecasts, and up-to-the-minute weather warnings, check out Environment Canada's Vancouver weather page.