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
As August transitions to September, the average high-temperature falls from a pleasant 22.4°C (72.3°F) to an enjoyable 17.3°C (63.1°F). During September, Edmonton's temperature falls to a steady low-temperature average of 6.6°C (43.9°F).Humidity
The average relative humidity in September is 65%.Rainfall
In Edmonton, in September, it is raining for 9.5 days, with typically 23mm (0.91") of accumulated precipitation. In Edmonton, during the entire year, the rain falls for 108 days and collects up to 338mm (13.31") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.2 snowfall days, it receives 18mm (0.71") of snow. Throughout the year, there are 72.7 snowfall days, and 539mm (21.22") of snow is accumulated.Daylight
In Edmonton, the average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 6:44 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:11 pm MDT.
Sunshine
In Edmonton, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Edmonton, Canada
- Average high temperature in September: 17.3°C
The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is December (-7.3°C).
- Average low temperature in September: 6.6°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).
Average pressure in September
Edmonton, Canada
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is February (1020.1mbar).
The month with the lowest atmospheric pressure is June (1010.2mbar).
Average wind speed in September
Edmonton, Canada
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is April (13.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Edmonton, Canada
- Average humidity in September: 65%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is May (60%).
Average rainfall in September
Edmonton, Canada
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (74mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in September
Edmonton, Canada
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in September
Edmonton, Canada
- Average snowfall in September: 18mm
The month with the highest snowfall is November (90mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Edmonton, Canada
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is March (13.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Edmonton, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Edmonton, Canada
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in September
Edmonton, 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 and March (UV index 1).
Average cloud cover in September
Edmonton, Canada
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Edmonton, Canada
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and March (7km).
