September weather forecastThompson, Canada
September
Weather in September
The first month of the autumn, September, is also a moderate month in Thompson, Canada, with temperature in the range of an average high of 14.3°C (57.7°F) and an average low of 5.1°C (41.2°F).Temperature
September comes with a drop in the average high-temperature, falling from August's agreeable 21°C (69.8°F) to a mild 14.3°C (57.7°F). September nights in Thompson experience a consistent temperature drop to a wintry 5.1°C (41.2°F).Humidity
In September, the average relative humidity in Thompson, Canada, is 73%.Rainfall
In Thompson, in September, during 11.2 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 90.8 rainfall days, and 399mm (15.71") of precipitation is accumulated.Snowfall
Months with snowfall in Thompson are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.3 snowfall days, it receives 5mm (0.2") of snow. In Thompson, during the entire year, snow falls for 141.8 days and aggregates up to 1129mm (44.45") of snow.Daylight
In September, the average length of the day is 12h and 43min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:24 pm. On the last day of September, in Thompson, sunrise is at 7:33 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine is 7.3h.UV index
In September, the average daily maximum UV index in Thompson is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Thompson, Canada
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (-17.9°C).
- Average low temperature in September: 5.1°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-25.1°C).
Average pressure in September
Thompson, Canada
- Average pressure in September: 1012.6mbar
The months with the highest atmospheric pressure are February and March (1020.1mbar).
The month with the lowest atmospheric pressure is July (1009.9mbar).
Average wind speed in September
Thompson, Canada
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is May (12.1km/h).
The calmest month (with the lowest average wind speed) is December (9.9km/h).
Average humidity in September
Thompson, Canada
- Average humidity in September: 73%
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (56%).
Average rainfall in September
Thompson, Canada
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (61mm).
The driest months (with the least rainfall) are February and December (11mm).
Average rainfall days in September
Thompson, Canada
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (0.4 days).
Average snowfall in September
Thompson, Canada
- Average snowfall in September: 5mm
The month with the highest snowfall is April (211mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Thompson, Canada
- Average snowfall days in September: 1.3 days
The month with the highest number of snowfall days is March (23.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Thompson, 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: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 1h and 24min).
Average sunshine days in September
Thompson, Canada
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in September
Thompson, Canada
- Average UV index in September: 2
The months with the highest UV index are June and 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
Thompson, Canada
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Thompson, 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 and December (5km).
