September weather forecastOotsa Lake, Canada
September
Weather in September
The first month of the autumn, September, is still a cool month in Ootsa Lake, Canada, with temperature in the range of an average low of 2.5°C (36.5°F) and an average high of 12.2°C (54°F).Temperature
With the onset of September, Ootsa Lake's average high-temperature adjusts, receding from August's refreshing 17.4°C (63.3°F) to a fresh 12.2°C (54°F). In Ootsa Lake, in September, the average low-temperature is a wintry 2.5°C (36.5°F).Humidity
In Ootsa Lake, the average relative humidity in September is 82%.Rainfall
In Ootsa Lake, in September, during 17.1 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 158.7 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 2mm (0.08") of snow. In Ootsa Lake, during the entire year, snow falls for 99.8 days and aggregates up to 1106mm (43.54") of snow.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:01 pm PDT.
Sunshine
In Ootsa Lake, the average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 2 transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ootsa Lake, Canada
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is December (-6°C).
- Average low temperature in September: 2.5°C
The month with the highest average low temperature is August (5.4°C).
The coldest month (with the lowest average low temperature) is February (-13.3°C).
Average pressure in September
Ootsa Lake, Canada
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is February (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Ootsa Lake, Canada
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is June (6.9km/h).
The calmest month (with the lowest average wind speed) is February (6km/h).
Average humidity in September
Ootsa Lake, Canada
- Average humidity in September: 82%
The month with the highest relative humidity is January (97%).
The month with the lowest relative humidity is June (73%).
Average rainfall in September
Ootsa Lake, Canada
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is October (58mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Ootsa Lake, Canada
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is December (4.9 days).
Average snowfall in September
Ootsa Lake, Canada
- Average snowfall in September: 2mm
The month with the highest snowfall is January (242mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Ootsa Lake, Canada
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (18.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ootsa Lake, Canada
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Ootsa Lake, Canada
- Average sunshine days in September: 10.5 days
The months with the most sunshine days are February and December (12.5 days).
The month with the least sunshine days is April (6.3 days).
Average UV index in September
Ootsa Lake, Canada
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, October, November and December (UV index 1).
Average cloud cover in September
Ootsa Lake, Canada
- Average cloud cover in September: 55
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in September
Ootsa Lake, Canada
- Average visibility in September: 7km
The months with the highest visibility are May, June, July and August (8km).
The month with the lowest visibility is January (3km).
