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
September
Weather in September
Temperature
September signifies a minor drop in average high-temperature, transitioning from an agreeable 20.4°C (68.7°F) in August to a comfortable 16.9°C (62.4°F). During the nights in September, Courtenay experiences a consistent average temperature of 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In September, in Courtenay, Canada, the rain falls for 12.7 days. Throughout September, 72mm (2.83") of precipitation is accumulated. Throughout the year, in Courtenay, there are 177.9 rainfall days, and 904mm (35.59") of precipitation is accumulated.Snowfall
In Courtenay, snow does not fall in May through October.Daylight
The average length of the day in September in Courtenay is 12h and 35min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:02 pm. On the last day of September, in Courtenay, Canada, sunrise is at 7:19 am and sunset at 6:59 pm PDT.
Sunshine
In September, the average sunshine in Courtenay is 8.8h.UV index
In September, the average daily maximum UV index in Courtenay, Canada, is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Courtenay in September?
What is the average humidity in September in Courtenay?
How many days does it rain in September in Courtenay?
When it does not snow in Courtenay?
What is the average length of the day in September in Courtenay?
When is the sunrise / sunset in September in Courtenay?
How long on average sun shines in September in Courtenay?
What is the UV index intensity in September in Courtenay?
Average temperature in September
Courtenay, Canada
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is December (4.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Courtenay, Canada
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is July (1017.5mbar).
The month with the lowest atmospheric pressure is March (1014.7mbar).
Average wind speed in September
Courtenay, Canada
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is November (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Courtenay, Canada
- Average humidity in September: 79%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Courtenay, Canada
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is January (145mm).
The driest month (with the least rainfall) is July (20mm).
Average rainfall days in September
Courtenay, Canada
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is November (19.7 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in September
Courtenay, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (71mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Courtenay, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Courtenay, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Courtenay, Canada
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is November (9 days).
Average UV index in September
Courtenay, 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, November and December (UV index 2).
Average cloud cover in September
Courtenay, Canada
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Courtenay, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July and August (10km).
The months with the lowest visibility are January, February, March, April, September, October, November and December (9km).
