September weather forecastGreenfield Park, Canada
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Greenfield Park, Canada, with an average temperature fluctuating between 11.5°C (52.7°F) and 20.8°C (69.4°F).Temperature
Greenfield Park's September weather shows a modest shift in high-temperatures, falling from August's warm 24.8°C (76.6°F) to a pleasant 20.8°C (69.4°F). During the month of September, an average low-temperature of 11.5°C (52.7°F) is recorded in Greenfield Park.Humidity
In September, the average relative humidity in Greenfield Park, Canada, is 76%.Rainfall
The month with the least rainfall in Greenfield Park is September, when the rain falls for 12 days and typically collects 55mm (2.17") of precipitation.Snowfall
In Greenfield Park, snow does not fall in June through September.Daylight
The average length of the day in September in Greenfield Park is 12h and 31min.On the first day of September in Greenfield Park, sunrise is at 6:16 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:35 pm EDT.
Sunshine
In September, the average sunshine in Greenfield Park is 8.5h.UV index
In September, the average daily maximum UV index in Greenfield Park is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 3 transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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
Greenfield Park, Canada
- Average high temperature in September: 20.8°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 (-5.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure in September
Greenfield Park, 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
Greenfield Park, Canada
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Greenfield Park, Canada
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Greenfield Park, Canada
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is September (55mm).
Average rainfall days in September
Greenfield Park, Canada
- Average rainfall days in September: 12 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in September
Greenfield Park, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (293mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Greenfield Park, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenfield Park, 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 0min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in September
Greenfield Park, Canada
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Greenfield Park, 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, February and December (UV index 1).
Average cloud cover in September
Greenfield Park, Canada
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Greenfield Park, Canada
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
