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
A mild drop in Rocky Mountain House's average high-temperature is observed in September, transitioning from a pleasant 21.5°C (70.7°F) in August to a comfortable 17°C (62.6°F). An average low-temperature of 6.2°C (43.2°F) is common in Rocky Mountain House during the nights of September.Humidity
In September, the average relative humidity is 66%.Rainfall
In Rocky Mountain House, in September, it is raining for 10.9 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Rocky Mountain House, Canada, there are 117.1 rainfall days, and 381mm (15") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Rocky Mountain House. September is the first month it typically snows in Rocky Mountain House. Throughout September, in the average 2.1 snowfall days, it receives 27mm (1.06") of snow. Throughout the year, there are 80.8 snowfall days, and 686mm (27.01") of snow is accumulated.Daylight
In September, the average length of the day in Rocky Mountain House is 12h and 38min.On the first day of the month, sunrise is at 6:52 am and sunset at 8:26 pm. On the last day of September, in Rocky Mountain House, sunrise is at 7:40 am and sunset at 7:18 pm MDT.
Sunshine
The average sunshine in September in Rocky Mountain House is 8.6h.UV index
In Rocky Mountain House, Canada, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the average September temperature in Rocky Mountain House?
What is the average humidity in September in Rocky Mountain House?
How many days does it rain in September in Rocky Mountain House?
When does it start to snow in Rocky Mountain House?
What is the average length of the day in September in Rocky Mountain House?
When is the sunrise / sunset in September in Rocky Mountain House?
How long on average sun shines in September in Rocky Mountain House?
What is the UV index intensity in September in Rocky Mountain House?
Average temperature in September
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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
Rocky Mountain House, 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).
Rocky Mountain House, Canada
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