September weather forecastKaslo, Canada
September
Weather in September
September, the first month of the autumn in Kaslo, is still a comfortable month, with an average temperature varying between 16.6°C (61.9°F) and 3.2°C (37.8°F).Temperature
In September, the meteorological conditions alter, with the average high-temperature shifting from a pleasant 22.8°C (73°F) in August to a comfortable 16.6°C (61.9°F). Throughout September, Kaslo acknowledges a distinct difference between its daytime highs and the steady low average of 3.2°C (37.8°F).Humidity
In September, the average relative humidity in Kaslo, Canada, is 68%.Rainfall
In Kaslo, during September, the rain falls for 11.7 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, in Kaslo, there are 149 rainfall days, and 536mm (21.1") 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 0.2 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, in Kaslo, Canada, there are 61.3 snowfall days, and 781mm (30.75") of snow is accumulated.Daylight
The average length of the day in September in Kaslo is 12h and 35min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:27 pm PDT.
Sunshine
In September, the average sunshine in Kaslo is 9.9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert! Nearly double the UV rays 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
Kaslo, Canada
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is December (-4.3°C).
- Average low temperature in September: 3.2°C
The month with the highest average low temperature is August (7.1°C).
The coldest month (with the lowest average low temperature) is December (-12.4°C).
Average pressure in September
Kaslo, Canada
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is January (1022.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in September
Kaslo, Canada
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is March (6.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.5km/h).
Average humidity in September
Kaslo, Canada
- Average humidity in September: 68%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Kaslo, Canada
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in September
Kaslo, Canada
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is April (19.8 days).
The month with the least rainy days is December (7 days).
Average snowfall in September
Kaslo, Canada
- Average snowfall in September: 6mm
The month with the highest snowfall is December (194mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Kaslo, Canada
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Kaslo, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Kaslo, Canada
- Average sunshine days in September: 16 days
The month with the most sunshine days is August (20.7 days).
The month with the least sunshine days is April (7.8 days).
Average UV index in September
Kaslo, 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
Kaslo, Canada
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Kaslo, Canada
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (3km).





