September weather forecastMirabel, Canada

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Mirabel, Canada, with an average temperature varying between 9.8°C (49.6°F) and 19.6°C (67.3°F).

Temperature

The average high-temperature shows a slight dip in September, from August's moderately hot 23.5°C (74.3°F) to a refreshing 19.6°C (67.3°F). In the month of September, Mirabel's average low-temperature falls to a chilly 9.8°C (49.6°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In September, the rain falls for 11.9 days. Throughout September, 52mm (2.05") of precipitation is accumulated. In Mirabel, during the entire year, the rain falls for 144.1 days and collects up to 758mm (29.84") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:37 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Mirabel, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in September suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

The high-temperature, in September, in Mirabel, records 19.6°C (67.3°F), while the low-temperature is 9.8°C (49.6°F).

The average relative humidity in September is 80%.

In Mirabel, during September, the rain falls for 11.9 days and regularly aggregates up to 52mm (2.05") of precipitation.

June through September are months without snowfall.

In Mirabel, Canada, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length is 12h and 31min.

On the first day of September, sunrise is at 6:18 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:37 pm EDT.

In Mirabel, the average sunshine duration in September is 8.7h.

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mirabel, Canada

  • Average high temperature in September: 19.6°C

The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (-6.5°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-14°C).

Average pressure in September
Mirabel, Canada

  • Average pressure in September: 1017.1mbar

The months with the highest atmospheric pressure are March and November (1017.7mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).

Average wind speed in September
Mirabel, Canada

  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).

Average humidity in September
Mirabel, Canada

  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (76%).

Average rainfall in September
Mirabel, Canada

  • Average rainfall in September: 52mm

The wettest month (with the highest rainfall) is May (78mm).
The driest months (with the least rainfall) are February and November (51mm).

Average rainfall days in September
Mirabel, Canada

  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in September
Mirabel, Canada

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (247mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Mirabel, Canada

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Mirabel, 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 42min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).

Average sunshine days in September
Mirabel, Canada

  • Average sunshine days in September: 16 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in September
Mirabel, 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, November and December (UV index 1).

Average cloud cover in September
Mirabel, Canada

  • Average cloud cover in September: 36

The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September
Mirabel, Canada

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, September, October and November (9km).
The month with the lowest visibility is January (7km).