Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The average high-temperature shows a slight dip in September, from August's pleasant 20.2°C (68.4°F) to a refreshing 17.2°C (63°F). Nighttime temperature in Brentwood Bay experiences an average drop to a fresh 11.8°C (53.2°F) in September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Brentwood Bay, during September, the rain falls for 4.9 days and regularly aggregates up to 6mm (0.24") of precipitation. In Brentwood Bay, during the entire year, the rain falls for 72.5 days and collects up to 163mm (6.42") of precipitation.Snowfall
In Brentwood Bay, Canada, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:54 pm. On the last day of September, in Brentwood Bay, sunrise is at 7:13 am and sunset at 6:53 pm PDT.
Sunshine
In Brentwood Bay, the average sunshine in September is 9.6h.UV index
In Brentwood Bay, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are September temperatures in Brentwood Bay?
What is the average humidity in September in Brentwood Bay?
How many days does it rain in September in Brentwood Bay?
When it does not snow in Brentwood Bay?
What is the average length of the day in September in Brentwood Bay?
What time are sunrise and sunset in September in Brentwood Bay?
How long on average sun shines in September in Brentwood Bay?
What is the UV index intensity in September in Brentwood Bay?
Average temperature in September
Brentwood 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).
Average pressure in September
Brentwood 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).
Average wind speed in September
Brentwood 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).
Average humidity in September
Brentwood 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%).
Average rainfall in September
Brentwood 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).
Average rainfall days in September
Brentwood 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).
Average snowfall in September
Brentwood 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).
Average snowfall days in September
Brentwood 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).
Average daylight in September /
Average sunshine in September
Brentwood 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 24min).
- 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).
Average sunshine days in September
Brentwood 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).
Average UV index in September
Brentwood 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).
Average cloud cover in September
Brentwood 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).
Average visibility in September
Brentwood 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).
Brentwood Bay, Canada
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