September weather forecast
Cowichan Bay, Canada

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Weather in September

The first month of the autumn, September, is still a comfortable month in Cowichan Bay, Canada, with an average temperature fluctuating between 17.2°C (63°F) and 11.8°C (53.2°F).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from an agreeable 20.2°C (68.4°F) in August to an enjoyable 17.2°C (63°F). Cowichan Bay throughout September, experiences an average nighttime temperature of 11.8°C (53.2°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Cowichan Bay, Canada, in September, during 4.9 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, in Cowichan Bay, there are 72.5 rainfall days, and 163mm (6.42") of precipitation is accumulated.

Snowfall

In Cowichan Bay, snow does not fall in April through October.

Daylight

In September, the average length of the day in Cowichan Bay is 12h and 34min.
On the first day of September in Cowichan Bay, Canada, sunrise is at 6:32 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:54 pm PDT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In Cowichan Bay, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What are the temperatures in Cowichan Bay in September?

During September, Cowichan Bay experiences an average high-temperature of 17.2°C (63°F) and a low-temperature of 11.8°C (53.2°F).

What is the average humidity in September in Cowichan Bay?

The average relative humidity in September is 79%.

How many days does it rain in September in Cowichan Bay?

In September, in Cowichan Bay, the rain falls for 4.9 days. Throughout September, 6mm (0.24") of precipitation is accumulated.

When it does not snow in Cowichan Bay?

April through October are months without snowfall.

How many hours of daylight does Cowichan Bay have in September?

In September, the average day length in Cowichan Bay is 12h and 34min.

When is the sunrise / sunset in September in Cowichan Bay?

On the first day of September in Cowichan Bay, Canada, sunrise is at 6:32 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:54 pm PDT.

How many hours of sunshine does Cowichan Bay have in September?

In Cowichan Bay, the average sunshine duration in September is 9.6h.

What is the UV index reading in September in Cowichan Bay?

In Cowichan Bay, Canada, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Cowichan Bay, Canada

Average temperature in September - Cowichan Bay, Canada
  • Average high temperature in September: 17.2°C

The warmest months (with the highest average high temperature) are July and August (20.2°C).
The month with the lowest average high temperature is December (6.3°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).

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Average pressure in September
Cowichan Bay, Canada

Average pressure in September - Cowichan Bay, Canada
  • Average pressure in September: 1016.4mbar

The months with the highest atmospheric pressure are January and July (1017.8mbar).
The month with the lowest atmospheric pressure is March (1015.7mbar).

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Average wind speed in September
Cowichan Bay, Canada

Average wind speed in September - Cowichan Bay, Canada
  • Average wind speed in September: 6.8km/h

The windiest month (with the highest average wind speed) is November (11.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

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Average humidity in September
Cowichan Bay, Canada

Average humidity in September - Cowichan Bay, Canada
  • Average humidity in September: 79%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in September
Cowichan Bay, Canada

Average rainfall in September - Cowichan Bay, Canada
  • Average rainfall in September: 6mm

The wettest month (with the highest rainfall) is January (37mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in September
Cowichan Bay, Canada

Average rainfall days in September - Cowichan Bay, Canada
  • Average rainfall days in September: 4.9 days

The month with the highest number of rainy days is December (8.6 days).
The month with the least rainy days is August (2.3 days).

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Average snowfall in September
Cowichan Bay, Canada

Average snowfall in September - Cowichan Bay, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (53mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Cowichan Bay, Canada

Average snowfall days in September - Cowichan Bay, Canada
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Cowichan Bay, Canada

Average daylight in September / Average sunshine in September - Cowichan Bay, Canada
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).

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Average sunshine days in September
Cowichan Bay, Canada

Average sunshine days in September - Cowichan Bay, Canada
  • Average sunshine days in September: 24.2 days

The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (17.4 days).

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Average UV index in September
Cowichan Bay, Canada

Average UV index in September - Cowichan Bay, Canada
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Cowichan Bay, Canada

Average cloud cover in September - Cowichan Bay, Canada
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 20).

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Average visibility in September
Cowichan Bay, Canada

Average visibility in September - Cowichan Bay, Canada
  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February and November (9km).

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Cowichan Bay, Canada

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