September weather forecastSaint-Léon-de-Standon, Canada
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Saint-Léon-de-Standon, Canada, with temperature in the range of an average high of 17.5°C (63.5°F) and an average low of 8°C (46.4°F).Temperature
Saint-Léon-de-Standon's September weather shows a modest shift in high-temperatures, falling from August's pleasant 22.1°C (71.8°F) to a refreshing 17.5°C (63.5°F). The average nighttime temperature in Saint-Léon-de-Standon lowers to a chilly 8°C (46.4°F) throughout September.Humidity
In September, the average relative humidity is 82%.Rainfall
In Saint-Léon-de-Standon, in September, during 13.6 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Saint-Léon-de-Standon, Canada, during the entire year, the rain falls for 151.5 days and collects up to 835mm (32.87") of precipitation.Snowfall
In Saint-Léon-de-Standon, snow does not fall in June through September.Daylight
In Saint-Léon-de-Standon, the average length of the day in September is 12h and 32min.On the first day of September in Saint-Léon-de-Standon, sunrise is at 6:03 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:23 pm EDT.
Sunshine
In Saint-Léon-de-Standon, Canada, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Léon-de-Standon, Canada
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (-8°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-16.3°C).
Average pressure in September
Saint-Léon-de-Standon, Canada
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is March (1017mbar).
The month with the lowest atmospheric pressure is June (1012mbar).
Average wind speed in September
Saint-Léon-de-Standon, Canada
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest months (with the lowest average wind speed) are August and September (9.6km/h).
Average humidity in September
Saint-Léon-de-Standon, Canada
- Average humidity in September: 82%
The months with the highest relative humidity are January, February and March (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Saint-Léon-de-Standon, Canada
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is October (83mm).
The driest month (with the least rainfall) is February (57mm).
Average rainfall days in September
Saint-Léon-de-Standon, Canada
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Saint-Léon-de-Standon, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (311mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saint-Léon-de-Standon, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint-Léon-de-Standon, 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 42min).
- Average sunshine in September: 8h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in September
Saint-Léon-de-Standon, Canada
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in September
Saint-Léon-de-Standon, 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, February, March and December (UV index 1).
Average cloud cover in September
Saint-Léon-de-Standon, Canada
- Average cloud cover in September: 41
The months with the most cloud cover are January and February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Saint-Léon-de-Standon, Canada
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January and February (6km).





