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
Stanley Mission experiences a temperature shift at the start of September, with average high-temperatures adjusting from an agreeable 20.1°C (68.2°F) in August to a moderate 14.5°C (58.1°F). Stanley Mission witnesses an average low-temperature of 6.8°C (44.2°F) throughout the month of September.Humidity
In September, the average relative humidity is 70%.Rainfall
In Stanley Mission, in September, it is raining for 10.9 days, with typically 29mm (1.14") of accumulated precipitation. In Stanley Mission, during the entire year, the rain falls for 91.5 days and collects up to 376mm (14.8") of precipitation.Snowfall
January through June, September through December are months with snowfall in Stanley Mission, Canada. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Stanley Mission, there are 122.8 snowfall days, and 891mm (35.08") of snow is accumulated.Daylight
In Stanley Mission, the average length of the day in September is 12h and 43min.On the first day of September in Stanley Mission, sunrise is at 6:05 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:35 pm CST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are September temperatures in Stanley Mission?
What is the average humidity in September in Stanley Mission?
How many days does it rain in September in Stanley Mission?
When does it start snowing in Stanley Mission?
What is the average length of the day in September in Stanley Mission?
When is the sunrise / sunset in September in Stanley Mission?
How long on average sun shines in September in Stanley Mission?
What is the UV index reading in September in Stanley Mission?
Average temperature in September
Stanley Mission, Canada
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-12.8°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-20°C).
Average pressure in September
Stanley Mission, Canada
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is February (1021.3mbar).
The month with the lowest atmospheric pressure is June (1010.1mbar).
Average wind speed in September
Stanley Mission, Canada
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is September (13.1km/h).
The calmest month (with the lowest average wind speed) is February (11.1km/h).
Average humidity in September
Stanley Mission, Canada
- Average humidity in September: 70%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is May (61%).
Average rainfall in September
Stanley Mission, Canada
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in September
Stanley Mission, Canada
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in September
Stanley Mission, Canada
- Average snowfall in September: 4mm
The month with the highest snowfall is March (162mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Stanley Mission, Canada
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is March (21.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Stanley Mission, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 18min).
Average sunshine days in September
Stanley Mission, Canada
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is March (9.2 days).
Average UV index in September
Stanley Mission, 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, March, October, November and December (UV index 1).
Average cloud cover in September
Stanley Mission, Canada
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 82).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Stanley Mission, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The month with the lowest visibility is January (5km).
Stanley Mission, Canada
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