September weather forecast and climate
Nanaimo, Canada

What is the temperature in September in Nanaimo?

The average high-temperature, in September, in Nanaimo, is 20.9°C (69.6°F), while the average low-temperature is 8.9°C (48°F).

How many days does it rain in September in Nanaimo?

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?

The average seawater temperature, in September, in Nanaimo, Canada, 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.
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).

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