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
September shows a mild decline in the average high-temperature, falling from August's pleasant 20.4°C (68.7°F) to a refreshing 15.3°C (59.5°F). September generally records an average low-temperature of 7.2°C (45°F).Humidity
In September, the average relative humidity is 84%.Rainfall
In Corner Brook, in September, during 16.6 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Corner Brook, Canada, during the entire year, the rain falls for 146.3 days and collects up to 794mm (31.26") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Corner Brook is 12h and 35min.On the first day of September in Corner Brook, sunrise is at 6:39 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:02 pm NDT.
Sunshine
In September, the average sunshine is 6.1h.UV index
In September, the average daily maximum UV index in Corner Brook is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are September temperatures in Corner Brook?
What is the average humidity in September in Corner Brook?
How many days does it rain in September in Corner Brook?
When it does not snow in Corner Brook?
Does it snow in Corner Brook in September?
How many hours of daylight does Corner Brook have in September?
What time are sunrise and sunset in September in Corner Brook?
How long on average sun shines in September in Corner Brook?
What is the UV index intensity in September in Corner Brook?
Average temperature in September
Corner Brook, Canada
- Average high temperature in September: 15.3°C
The warmest months (with the highest average high temperature) are July and August (20.4°C).
The month with the lowest average high temperature is February (-4.5°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (-11.7°C).
Average pressure in September
Corner Brook, Canada
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is January (1008.2mbar).
Average wind speed in September
Corner Brook, Canada
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is January (15.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.5km/h).
Average humidity in September
Corner Brook, Canada
- Average humidity in September: 84%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is June (79%).
Average rainfall in September
Corner Brook, Canada
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (52mm).
Average rainfall days in September
Corner Brook, Canada
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is October (18.3 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Corner Brook, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (364mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Corner Brook, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Corner Brook, 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: 6h and 1min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).
Average sunshine days in September
Corner Brook, Canada
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is July (12.8 days).
The month with the least sunshine days is January (3.8 days).
Average UV index in September
Corner Brook, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Corner Brook, Canada
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 89).
The month with the least cloud cover is July (Cloud cover 56).
Average visibility in September
Corner Brook, Canada
- Average visibility in September: 7km
The months with the highest visibility are May, June and October (8km).
The months with the lowest visibility are January, February, March and April (6km).
Corner Brook, Canada
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