Port Alberni
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Port Alberni, Canada

The first month of the autumn, September, is still a pleasant month in Port Alberni, Canada, with average temperature fluctuating between 7.5°C (45.5°F) and 22.3°C (72.1°F).

Temperature

In September, the average high-temperature marginally drops, from a warm 25.5°C (77.9°F) in August, to a pleasant 22.3°C (72.1°F). In September, in Port Alberni, the average low-temperature is 7.5°C (45.5°F).

Humidity

In September, the average relative humidity in Port Alberni is 52.5%.

Rainfall

In Port Alberni, it is raining for 8.6 days, with typically 49.1mm (1.9") of accumulated precipitation. In Port Alberni, Canada, during the entire year, the rain falls for 171.4 days and collects up to 1829.1mm (72") of precipitation.

Snowfall

In Port Alberni snow does not fall in May through September.

Sea temperature

In Port Alberni, the average seawater temperature is 12°C (53.6°F).
Note: Swimming in 12°C (53.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In September, the average length of the day in Port Alberni is 12.6h.

Sunshine

The average sunshine in September in Port Alberni is 6.5h.

What is the temperature in September in Port Alberni?

In Port Alberni, Canada, in September, the average high-temperature is 22.3°C (72.1°F), and the average low-temperature is 7.5°C (45.5°F).

What is the average humidity in September in Port Alberni?

The average relative humidity in September in Port Alberni, Canada, is 52.5%.

How much does it rain in Port Alberni in September?

In Port Alberni, Canada, during September, the rain falls for 8.6 days and regularly aggregates up to 49.1mm (1.9") of precipitation.

Does it snow in Port Alberni in September?

In Port Alberni, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Port Alberni?

In Port Alberni, Canada, snow does not fall in May through September.

What is the sea water temperature in September in Port Alberni?

In September, the average sea temperature is 12°C (53.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in September in Port Alberni?

In Port Alberni, Canada, the average length of the day in September is 12.6h.

How long on average sun shines in September in Port Alberni?

The average sunshine in September in Port Alberni, Canada, is 6.5h.
Average temperature in September - Port Alberni, Canada
  • Average high temperature in September: 22.3°C

The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is December (4.5°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).

Average humidity in September - Port Alberni, Canada
  • Average humidity in September: 52.5%

The month with the highest relative humidity is January (88.3%).
The month with the lowest relative humidity is August (47.7%).

Average rainfall in September - Port Alberni, Canada
  • Average rainfall in September: 49.1mm

The wettest month (with the highest rainfall) is November (305.9mm).
The driest month (with the lowest rainfall) is July (26.1mm).

Average rainfall days in September - Port Alberni, Canada
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is November (21 days).
The month with the lowest number of rainy days is July (6.7 days).

Average snowfall in September - Port Alberni, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (222mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Port Alberni, Canada
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (5.1 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in September - Port Alberni, Canada
  • Average sea temperature in September: 12°C

The best month for swimming (with the highest average sea temperature) is July (12.4°C).
The coldest month (with the lowest average sea temperature) is February (7.8°C).

Average daylight in September / Average sunshine in September - Port Alberni, Canada
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.3h).

  • Average sunshine in September: 6.5h

Months with most sunshine are July and August (Average sunshine: 8.5h).
The month with least sunshine is December (Average sunshine: 0.7h).