Lake Cowichan Weather in September

What's the weather like in Lake Cowichan (British Columbia) in September 2024?

The climate in Lake Cowichan during September can be summarized as mild and damp.

September is in the fall / autumn in Lake Cowichan and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 7°C (45°F) is normal.

Lake Cowichan weather averages (imperial / metric)
Daytime temperature 18.9°C 65.9°F
Nightly temperature 7.4°C 45.2°F
Average temperature 13.1°C 55.6°F
Daily sunshine 6.1 hrs
Avg rainfall 100 mm 3.9 ins
Rainy days 10 days
Sea temperature 13.4°C 56.2°F
Humidity 82%
Windspeed 11.2kph 7 mph

On average September is the 4th driest month of the year in Lake Cowichan with around 100mm 3.9 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.1 hours of sunshine per day.

September temperatures in Lake Cowichan

Lake Cowichan average temperature in September

September rainfall

Lake Cowichan average rain in September

September hourly sunshine

Lake Cowichan average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Lake Cowichan in September 2024.

Other monthly averages

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Lake Cowichan weather stats

Lake Cowichan weather statistics
Hottest month: August 21.8°C 71.2°F
Driest month: July 51mm 2ins
Sunniest month: August 7.7hrs
Coldest month: January 4°C 39.2°F
Wettest month: December 378mm 14.9ins
Map showing location of Lake Cowichan (48.82495, -124.05461) Lake Cowichan map pin © Google

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