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
Stettler, Canada, records a mild change in average high-temperature during September, easing from an agreeable 21.5°C (70.7°F) in August to a comfortable 17°C (62.6°F). During September, the average low-temperature in Stettler, Canada, is a frosty 6.2°C (43.2°F).Humidity
In Stettler, the average relative humidity in September is 66%.Rainfall
In Stettler, Canada, in September, it is raining for 10.9 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Stettler, there are 117.1 rainfall days, and 381mm (15") of precipitation is accumulated.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. In Stettler, Canada, during the entire year, snow falls for 80.8 days and aggregates up to 686mm (27.01") of snow.Daylight
The average length of the day in September is 12h and 38min.On the first day of September in Stettler, sunrise is at 6:43 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:09 pm MDT.
Sunshine
In September, the average sunshine in Stettler is 8.6h.UV index
The average daily maximum UV index in September in Stettler is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average September temperature in Stettler?
What is the average humidity in September in Stettler?
How much does it rain in Stettler in September?
When does it start snowing in Stettler?
How many hours of daylight does Stettler have in September?
When is the sunrise / sunset in September in Stettler?
How many hours of sunshine does Stettler have in September?
How high is the UV index in September in Stettler?
Average temperature in September
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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
Stettler, 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).
Stettler, Canada
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