Nanaimo
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Nanaimo, Canada

September, the first month of the autumn, in Nanaimo, is still a pleasant month, with average temperature fluctuating between 8.9°C (48°F) and 20.9°C (69.6°F).

Temperature

In Nanaimo, Canada, the average high-temperature in September marginally drops, from a moderately hot 24.3°C (75.7°F) in August, to a pleasant 20.9°C (69.6°F). In September, the average low-temperature is 8.9°C (48°F).

Humidity

The average relative humidity in September is 56.2%.

Rainfall

In Nanaimo, during September, the rain falls for 8.2 days and regularly aggregates up to 35.8mm (1.4") of precipitation. Throughout the year, there are 170.1 rainfall days, and 1098.1mm (43.2") of precipitation is accumulated.

Snowfall

In Nanaimo, Canada, in September, it doesn't snow. In October, it regularly snows. In Nanaimo, during the entire year, snow aggregates up to 687mm (27").

Sea temperature

In Nanaimo, the average seawater temperature in September is 11.4°C (52.5°F). Swimming in 11.4°C (52.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

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

Sunshine

In September, the average sunshine is 7.1h.

What is the temperature in September in Nanaimo?

In September, the average high-temperature is 20.9°C (69.6°F), and the average low-temperature is 8.9°C (48°F).

What is the average humidity in September in Nanaimo?

The average relative humidity in September in Nanaimo is 56.2%.

How much does it rain in Nanaimo in September?

In Nanaimo, in September, it is raining for 8.2 days, with typically 35.8mm (1.4") of accumulated precipitation.

Does it snow in Nanaimo in September?

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

What is the sea water temperature in September in Nanaimo?

In Nanaimo, Canada, in September, the average water temperature is 11.4°C (52.5°F). Swimming in 11.4°C (52.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Nanaimo have in September?

The average length of the day in September is 12.6h.

How many hours of sunshine does Nanaimo have in September?

The average sunshine in September in Nanaimo is 7.1h.
Average temperature in September - Nanaimo, Canada
  • Average high temperature in September: 20.9°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is December (6.3°C).

  • Average low temperature in September: 8.9°C

The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is December (-0.2°C).

Average humidity in September - Nanaimo, Canada
  • Average humidity in September: 56.2%

The month with the highest relative humidity is December (83.2%).
The month with the lowest relative humidity is August (52.1%).

Average rainfall in September - Nanaimo, Canada
  • Average rainfall in September: 35.8mm

The wettest month (with the highest rainfall) is November (186.5mm).
The driest month (with the lowest rainfall) is July (25.4mm).

Average rainfall days in September - Nanaimo, Canada
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is November (19.8 days).
The month with the lowest number of rainy days is August (6.8 days).

Average snowfall in September - Nanaimo, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (210mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in September - Nanaimo, Canada
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (3.2 days).
Months with the lowest number of snowfall days are April, June, July, August and September (0 days).

Average sea temperature in September - Nanaimo, Canada
  • Average sea temperature in September: 11.4°C

The best month for swimming (with the highest average sea temperature) is August (11.5°C).
The coldest month (with the lowest average sea temperature) is February (7.2°C).

Average daylight in September / Average sunshine in September - Nanaimo, 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: 7.1h

The month with most sunshine is July (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 1.6h).