September weather forecastLake Alma, Canada
September
Weather in September
September, the first month of the autumn in Lake Alma, is still a pleasant month, with an average temperature fluctuating between 21.1°C (70°F) and 11.3°C (52.3°F).Temperature
The commencement of September involves a temperature shift, with the average high-temperature dropping from a moderately hot 27.4°C (81.3°F) in August to a pleasant 21.1°C (70°F). The month of September records an average low-temperature of 11.3°C (52.3°F).Humidity
In Lake Alma, the average relative humidity in September is 50%.Rainfall
In Lake Alma, during September, the rain falls for 8.6 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 93.3 rainfall days, and 305mm (12.01") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Lake Alma, Canada, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:38 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:36 pm CST.
Sunshine
In September, the average sunshine is 9.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake Alma, Canada
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is July (27.8°C).
The month with the lowest average high temperature is February (-6.8°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is February (-14.3°C).
Average pressure in September
Lake Alma, Canada
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is February (1021.6mbar).
The month with the lowest atmospheric pressure is June (1010.2mbar).
Average wind speed in September
Lake Alma, Canada
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is April (17.8km/h).
The calmest month (with the lowest average wind speed) is February (14.8km/h).
Average humidity in September
Lake Alma, Canada
- Average humidity in September: 50%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Lake Alma, Canada
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Lake Alma, Canada
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Lake Alma, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is November (95mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lake Alma, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake Alma, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Lake Alma, Canada
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).
Average UV index in September
Lake Alma, Canada
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Lake Alma, Canada
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in September
Lake Alma, Canada
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and December (8km).





