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

September weather forecast and climate
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: 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: 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: 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: 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: 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: 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: 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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