Catalina
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Catalina, Canada

Sea temperature

In Catalina, Canada, in September, the average water temperature 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 Catalina, the average length of the day in September is 12.6h.

How cold is the water in September in Catalina?

In September, the average sea temperature in Catalina is 11.7°C (53.1°F). 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.

What is the average length of the day in September in Catalina?

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

The best month for swimming (with the highest average sea temperature) is August (13.7°C).
The coldest month (with the lowest average sea temperature) is March (-0.9°C).

Average daylight in September - Catalina, Canada
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.4h).