September weather forecastBella Coola, Canada

September

Weather in September

September, the first month of the autumn in Bella Coola, is still a cool month, with an average temperature fluctuating between 5.4°C (41.7°F) and 11.9°C (53.4°F).

Temperature

In Bella Coola, the average high-temperature in September slightly decreases from a comfortable 16.3°C (61.3°F) in August to a cool 11.9°C (53.4°F). In Bella Coola, September nights witness a steady temperature drop to an icy 5.4°C (41.7°F).

Humidity

The average relative humidity in September is 77%.

Rainfall

In September, the rain falls for 17.5 days. Throughout September, 107mm (4.21") of precipitation is accumulated. Throughout the year, in Bella Coola, there are 219.8 rainfall days, and 1473mm (57.99") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Bella Coola.

Daylight

In Bella Coola, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 6:39 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:05 pm PDT.

Sunshine

In Bella Coola, the average sunshine in September is 8.3h.

UV index

In Bella Coola, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 2 in September suggests the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

In Bella Coola, 11.9°C (53.4°F) is the average high-temperature and 5.4°C (41.7°F) is the average low-temperature during September.

In September, the average relative humidity in Bella Coola is 77%.

In September, in Bella Coola, Canada, the rain falls for 17.5 days. Throughout September, 107mm (4.21") of precipitation is accumulated.

May through September are months without snowfall.

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

In September, the average day length in Bella Coola, Canada, is 12h and 38min.

On the first day of September, sunrise is at 6:39 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:05 pm PDT.

In Bella Coola, Canada, the average sunshine duration in September is 8.3h.

In Bella Coola, Canada, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Bella Coola, Canada

  • Average high temperature in September: 11.9°C

The warmest months (with the highest average high temperature) are July and August (16.3°C).
The month with the lowest average high temperature is December (-2.7°C).

  • Average low temperature in September: 5.4°C

The month with the highest average low temperature is August (8.5°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).

Average pressure in September
Bella Coola, Canada

  • Average pressure in September: 1015.2mbar

The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

Average wind speed in September
Bella Coola, Canada

  • Average wind speed in September: 9.3km/h

The windiest month (with the highest average wind speed) is January (12km/h).
The calmest month (with the lowest average wind speed) is May (8.5km/h).

Average humidity in September
Bella Coola, Canada

  • Average humidity in September: 77%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is July (71%).

Average rainfall in September
Bella Coola, Canada

  • Average rainfall in September: 107mm

The wettest month (with the highest rainfall) is November (223mm).
The driest month (with the least rainfall) is May (48mm).

Average rainfall days in September
Bella Coola, Canada

  • Average rainfall days in September: 17.5 days

The month with the highest number of rainy days is November (21.8 days).
The month with the least rainy days is February (14.6 days).

Average snowfall in September
Bella Coola, Canada

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (281mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Bella Coola, Canada

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Bella Coola, Canada

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Bella Coola, Canada

  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is August (13.5 days).
The month with the least sunshine days is November (6.1 days).

Average UV index in September
Bella Coola, Canada

  • Average UV index in September: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in September
Bella Coola, Canada

  • Average cloud cover in September: 44

The months with the most cloud cover are January and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Bella Coola, Canada

  • Average visibility in September: 9km

The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and December (7km).