September weather forecastStonecliffe, Canada
September
Weather in September
September, the first month of the autumn in Stonecliffe, is also an enjoyable month, with temperature in the range of an average low of 8.9°C (48°F) and an average high of 19.6°C (67.3°F).Temperature
A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 24.2°C (75.6°F) in August to a refreshing 19.6°C (67.3°F). During September, Stonecliffe's temperature averages to a frosty 8.9°C (48°F) at night.Humidity
In Stonecliffe, the average relative humidity in September is 79%.Rainfall
In Stonecliffe, in September, during 11.3 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Stonecliffe, Canada, during the entire year, the rain falls for 126 days and collects up to 575mm (22.64") of precipitation.Snowfall
In Stonecliffe, snow does not fall in June through September.Daylight
The average length of the day in September in Stonecliffe is 12h and 32min.On the first day of September, sunrise is at 6:32 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:52 pm EDT.
Sunshine
In Stonecliffe, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Stonecliffe is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stonecliffe, Canada
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-6.8°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-15.1°C).
Average pressure in September
Stonecliffe, Canada
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in September
Stonecliffe, Canada
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is April (12km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Stonecliffe, Canada
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Stonecliffe, Canada
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is April (68mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in September
Stonecliffe, Canada
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Stonecliffe, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (239mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stonecliffe, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stonecliffe, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 1h and 54min).
Average sunshine days in September
Stonecliffe, Canada
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
Stonecliffe, 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, February, March, November and December (UV index 1).
Average cloud cover in September
Stonecliffe, Canada
- Average cloud cover in September: 42
The months with the most cloud cover are January and February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Stonecliffe, Canada
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
