Lewisporte
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Lewisporte, Canada

Sea temperature

In Lewisporte, Canada, the average seawater temperature in September is 11.7°C (53.1°F).
Note: Swimming in 11.7°C (53.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

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

What is the water temperature in September in Lewisporte?

In September, the average sea temperature is 11.7°C (53.1°F). Swimming in 11.7°C (53.1°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 Lewisporte have in September?

In September, the average length of the day is 12.6h.
Average sea temperature in September - Lewisporte, Canada
  • Average sea temperature in September: 11.7°C

The best month for swimming (with the highest average sea temperature) is August (13.9°C).
The coldest month (with the lowest average sea temperature) is March (-1.3°C).

Average daylight in September - Lewisporte, 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).