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 ushers in a minute temperature change in Red Deer, with average high-temperatures reducing from August's pleasant 21.5°C (70.7°F) to an enjoyable 17°C (62.6°F). The nighttime temperature dips to a frosty 6.2°C (43.2°F) on average during September.Humidity
In Red Deer, the average relative humidity in September is 66%.Rainfall
In Red Deer, in September, during 10.9 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Red Deer, Canada, during the entire year, the rain falls for 117.1 days and collects up to 381mm (15") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.1 snowfall days, it receives 27mm (1.06") of snow. Throughout the year, in Red Deer, there are 80.8 snowfall days, and 686mm (27.01") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 6:48 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:13 pm MDT.
Sunshine
The average sunshine in September in Red Deer is 8.6h.UV index
In Red Deer, 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the average September temperature in Red Deer?
What is the average humidity in September in Red Deer?
How many days does it rain in September in Red Deer?
When does it start to snow in Red Deer?
How many hours of daylight does Red Deer have in September?
When are sunrise and sunset in September in Red Deer?
How long on average sun shines in September in Red Deer?
How high is the UV index in September in Red Deer?
Average temperature in September
Red Deer, Canada
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is December (-6.3°C).
- Average low temperature in September: 6.2°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-13.6°C).
Average pressure in September
Red Deer, Canada
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1010.4mbar).
Average wind speed in September
Red Deer, Canada
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is April (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Red Deer, Canada
- Average humidity in September: 66%
The months with the highest relative humidity are February and March (88%).
The month with the lowest relative humidity is May (64%).
Average rainfall in September
Red Deer, Canada
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (81mm).
The driest months (with the least rainfall) are February and December (11mm).
Average rainfall days in September
Red Deer, Canada
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Red Deer, Canada
- Average snowfall in September: 27mm
The month with the highest snowfall is November (116mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Red Deer, Canada
- Average snowfall days in September: 2.1 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Red Deer, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Red Deer, Canada
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in September
Red Deer, 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 and February (UV index 1).
Average cloud cover in September
Red Deer, Canada
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Red Deer, Canada
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April and December (8km).
Red Deer, Canada
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