September
Weather in September
Temperature
Rainbow Lake's weather in September involves a decrease in the average high-temperature, moving down from August's agreeable 20°C (68°F) to a moderate 14°C (57.2°F). A sharp contrast between day and night is prevalent in September with an average nighttime temperature of 1°C (33.8°F).Rainfall
In Rainbow Lake, in September, during 11 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Rainbow Lake, during the entire year, the rain falls for 99 days and collects up to 414mm (16.3") of precipitation.Daylight
The average length of the day in September is 12h and 47min.On the first day of September, sunrise is at 6:58 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 7:32 pm MDT.
Sunshine
The average sunshine in September is 5h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
How much does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Rainbow Lake have in September?
What is the UV index reading in September?
Average temperature in September
Rainbow Lake, Canada
- Average high temperature in September: 14°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-13°C).
- Average low temperature in September: 1°C
The month with the highest average low temperature is July (8°C).
The coldest month (with the lowest average low temperature) is January (-23°C).
Average rainfall in September
Rainbow Lake, Canada
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Rainbow Lake, Canada
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is April (4 days).
Average daylight in September /
Average sunshine in September
Rainbow Lake, Canada
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 5h
The months with the most sunshine are June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 1h).
Average UV index in September
Rainbow Lake, Canada
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).
