September weather forecastGrandes-Piles, Canada
September weather for Grandes-Piles, Canada: September, the first month of the autumn in Grandes-Piles, is still a refreshing month, with an average temperature varying between 19.1°C (66.4°F) and 9.5°C (49.1°F). In Grandes-Piles, Canada, in September, during 12.1 rainfall days, 50mm (1.97") of precipitation is typically accumulated.
September
Weather in September
September, the first month of the autumn in Grandes-Piles, is still a refreshing month, with an average temperature varying between 19.1°C (66.4°F) and 9.5°C (49.1°F).Temperature
As September arrives, Grandes-Piles's weather displays a minor decrease in high-temperatures, transitioning from August's warm 23.2°C (73.8°F) to a refreshing 19.1°C (66.4°F). During September, Grandes-Piles sees a mean low-temperature of 9.5°C (49.1°F).Humidity
In September, the average relative humidity in Grandes-Piles is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 50mm (1.97") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:29 pm. On the last day of September, in Grandes-Piles, sunrise is at 6:49 am and sunset at 6:32 pm EDT.
Sunshine
In September, the average sunshine in Grandes-Piles, Canada, is 8.3h.UV index
The average daily maximum UV index in September in Grandes-Piles is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grandes-Piles, Canada
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (24.1°C).
The month with the lowest average high temperature is January (-7°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is January (-14.6°C).
Average pressure in September
Grandes-Piles, Canada
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is March (1017.4mbar).
The month with the lowest atmospheric pressure is June (1012.1mbar).
Average wind speed in September
Grandes-Piles, Canada
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is April (13.6km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in September
Grandes-Piles, Canada
- Average humidity in September: 81%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Grandes-Piles, Canada
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is September (50mm).
Average rainfall days in September
Grandes-Piles, Canada
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are January and February (5.4 days).
Average snowfall in September
Grandes-Piles, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (273mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grandes-Piles, Canada
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grandes-Piles, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Grandes-Piles, Canada
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The months with the least sunshine days are February and July (11 days).
Average UV index in September
Grandes-Piles, Canada
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in September
Grandes-Piles, Canada
- Average cloud cover in September: 39
The months with the most cloud cover are January and February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Grandes-Piles, Canada
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, September, October and November (9km).
The months with the lowest visibility are January and February (7km).





