September weather forecastSunset Prairie, Canada
September
Weather in September
September, the first month of the autumn in Sunset Prairie, is also a moderate month, with an average temperature varying between 15.4°C (59.7°F) and 4.9°C (40.8°F).Temperature
The commencement of September involves a temperature shift, with the average high-temperature dropping from an agreeable 21.2°C (70.2°F) in August to a mild 15.4°C (59.7°F). Throughout the month of September, Sunset Prairie expects an average low of 4.9°C (40.8°F).Humidity
The average relative humidity in September is 69%.Rainfall
In Sunset Prairie, in September, during 12.8 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 123 rainfall days, and 426mm (16.77") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 1.4 snowfall days, it receives 13mm (0.51") of snow. Throughout the year, in Sunset Prairie, there are 112.5 snowfall days, and 1271mm (50.04") of snow is accumulated.Daylight
The average length of the day in September is 12h and 43min.On the first day of September, sunrise is at 6:09 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:39 pm MST.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sunset Prairie, Canada
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is December (-7.9°C).
- Average low temperature in September: 4.9°C
The month with the highest average low temperature is July (9.3°C).
The coldest months (with the lowest average low temperature) are February and December (-14.8°C).
Average pressure in September
Sunset Prairie, Canada
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).
Average wind speed in September
Sunset Prairie, Canada
- Average wind speed in September: 10.2km/h
The windiest months (with the highest average wind speed) are June and September (10.2km/h).
The calmest months (with the lowest average wind speed) are February, March and December (8.6km/h).
Average humidity in September
Sunset Prairie, Canada
- Average humidity in September: 69%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is May (61%).
Average rainfall in September
Sunset Prairie, Canada
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (62mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in September
Sunset Prairie, Canada
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Sunset Prairie, Canada
- Average snowfall in September: 13mm
The month with the highest snowfall is November (234mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Sunset Prairie, Canada
- Average snowfall days in September: 1.4 days
The month with the highest number of snowfall days is March (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Sunset Prairie, Canada
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Sunset Prairie, Canada
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is April (6.9 days).
Average UV index in September
Sunset Prairie, 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 and October (UV index 1).
Average cloud cover in September
Sunset Prairie, Canada
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Sunset Prairie, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (5km).
