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
Alert Bay signifies an average high-temperature of a still refreshing 16.5°C (61.7°F) in September, closely mirroring the 19.1°C (66.4°F) of August. Alert Bay's temperature tends to fall to an average low of 8.3°C (46.9°F) during the nights of September.Humidity
In Alert Bay, the average relative humidity in September is 85%.Rainfall
In September, the rain falls for 14.6 days. Throughout September, 107mm (4.21") of precipitation is accumulated. In Alert Bay, during the entire year, the rain falls for 203 days and collects up to 1442mm (56.77") of precipitation.Snowfall
May through October are months without snowfall in Alert Bay, Canada.Daylight
In September, the average length of the day in Alert Bay is 12h and 36min.On the first day of September, sunrise is at 6:43 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:06 pm PDT.
Sunshine
In September, the average sunshine is 7.2h.UV index
In Alert Bay, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the average September temperature in Alert Bay?
What is the average humidity in September in Alert Bay?
How many days does it rain in September in Alert Bay?
When it does not snow in Alert Bay?
What is the average length of the day in September in Alert Bay?
What time are sunrise and sunset in September in Alert Bay?
How many hours of sunshine does Alert Bay have in September?
What is the UV index intensity in September in Alert Bay?
Average temperature in September
Alert Bay, Canada
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is December (4.2°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is August (9.8°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Alert Bay, Canada
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The months with the lowest atmospheric pressure are March and November (1013.3mbar).
Average wind speed in September
Alert Bay, Canada
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Alert Bay, Canada
- Average humidity in September: 85%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is May (82%).
Average rainfall in September
Alert Bay, Canada
- Average rainfall in September: 107mm
The wettest month (with the highest rainfall) is January (223mm).
The driest month (with the least rainfall) is July (33mm).
Average rainfall days in September
Alert Bay, Canada
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is November (21.4 days).
The months with the least rainy days are July and August (10.7 days).
Average snowfall in September
Alert Bay, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is March (104mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Alert Bay, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (4.5 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
Alert Bay, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Alert Bay, Canada
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is July (19.7 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in September
Alert Bay, Canada
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Alert Bay, Canada
- Average cloud cover in September: 52
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 49).
Average visibility in September
Alert Bay, Canada
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, October, November and December (8km).
The months with the lowest visibility are June, July, August and September (7km).
Alert Bay, Canada
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