September weather forecastCranbrook, Canada

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Cranbrook, Canada, with an average temperature ranging between min 3°C (37.4°F) and max 17.3°C (63.1°F).

Temperature

During the transition into September, Cranbrook observes a decrease in the average high-temperature, falling from a moderately hot 23.8°C (74.8°F) in August to a refreshing 17.3°C (63.1°F). September nights present a stark temperature decrease to a wintry 3°C (37.4°F).

Humidity

The average relative humidity in September in Cranbrook is 65%.

Rainfall

In Cranbrook, in September, it is raining for 9.3 days, with typically 18mm (0.71") of accumulated precipitation. In Cranbrook, during the entire year, the rain falls for 122.6 days and collects up to 276mm (10.87") of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 4mm (0.16") of snow. In Cranbrook, during the entire year, snow falls for 76.2 days and aggregates up to 603mm (23.74") of snow.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of the month, sunrise is at 7:00 am and sunset at 8:25 pm. On the last day of September, in Cranbrook, sunrise is at 7:42 am and sunset at 7:22 pm MDT.

Sunshine

The average sunshine in September in Cranbrook is 9.3h.

UV index

The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: An average UV index of 2 in September transforms into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

In Cranbrook, in September, the average high-temperature is 17.3°C (63.1°F), and the average low-temperature is 3°C (37.4°F).

In Cranbrook, the average relative humidity in September is 65%.

In Cranbrook, in September, during 9.3 rainfall days, 18mm (0.71") of precipitation is typically accumulated.

September is the first month it typically snows in Cranbrook, Canada. Throughout September, in the average 0.3 snowfall days, it receives 4mm (0.16") of snow.

The average day length in September in Cranbrook is 12h and 35min.

On the first day of September, sunrise is at 7:00 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:22 pm MDT.

In Cranbrook, the average sunshine duration in September is 9.3h.

The average daily maximum UV index in September in Cranbrook is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cranbrook, Canada

  • Average high temperature in September: 17.3°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is December (-4.8°C).

  • Average low temperature in September: 3°C

The months with the highest average low temperature are July and August (7.1°C).
The coldest month (with the lowest average low temperature) is December (-12.6°C).

Average pressure in September
Cranbrook, Canada

  • Average pressure in September: 1015.2mbar

The month with the highest atmospheric pressure is January (1021.6mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).

Average wind speed in September
Cranbrook, Canada

  • Average wind speed in September: 5.8km/h

The windiest month (with the highest average wind speed) is March (6.6km/h).
The calmest month (with the lowest average wind speed) is December (5.5km/h).

Average humidity in September
Cranbrook, Canada

  • Average humidity in September: 65%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (56%).

Average rainfall in September
Cranbrook, Canada

  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is January (14mm).

Average rainfall days in September
Cranbrook, Canada

  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in September
Cranbrook, Canada

  • Average snowfall in September: 4mm

The month with the highest snowfall is March (108mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in September
Cranbrook, Canada

  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Cranbrook, Canada

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 9h and 18min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Cranbrook, Canada

  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is April (10.3 days).

Average UV index in September
Cranbrook, Canada

  • Average UV index in September: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March, November and December (UV index 1).

Average cloud cover in September
Cranbrook, Canada

  • Average cloud cover in September: 25

The months with the most cloud cover are January and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in September
Cranbrook, Canada

  • Average visibility in September: 9km

The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (5km).