September weather forecastLaval-des-Rapides, Canada
September
Weather in September
September, the first month of the autumn in Laval-des-Rapides, is also an agreeable month, with an average temperature fluctuating between 20.6°C (69.1°F) and 11.4°C (52.5°F).Temperature
Laval-des-Rapides's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 24.7°C (76.5°F) to an agreeable 20.6°C (69.1°F). Laval-des-Rapides records an average low-temperature of 11.4°C (52.5°F) throughout the month of September.Humidity
In Laval-des-Rapides, the average relative humidity in September is 76%.Rainfall
February and September are months with the least rain in Laval-des-Rapides when the rain falls for 11.8 days and typically aggregates up to 54mm (2.13") of rain.Snowfall
In Laval-des-Rapides, Canada, snow does not fall in June through September.Daylight
In September, the average length of the day in Laval-des-Rapides is 12h and 31min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:36 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Laval-des-Rapides is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Laval-des-Rapides, Canada
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is July (16.2°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure in September
Laval-des-Rapides, Canada
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed in September
Laval-des-Rapides, Canada
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is April (14.4km/h).
The calmest months (with the lowest average wind speed) are July, August and September (11km/h).
Average humidity in September
Laval-des-Rapides, Canada
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Laval-des-Rapides, Canada
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is May (78mm).
The driest months (with the least rainfall) are February and September (54mm).
Average rainfall days in September
Laval-des-Rapides, Canada
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Laval-des-Rapides, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (242mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Laval-des-Rapides, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Laval-des-Rapides, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Laval-des-Rapides, Canada
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Laval-des-Rapides, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Laval-des-Rapides, Canada
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Laval-des-Rapides, Canada
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).





