Constitución
Chile
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Constitución, Chile

Sea temperature

Months with the coldest seawater in Constitución, Chile, are Agosto and Septiembre, with an average sea temperature of 12.8°C (55°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Constitución, the average length of the day in Septiembre is 11.9h.

What months are the sea coldest in Constitución?

Agosto and Septiembre, with an average sea temperature of 12.8°C (55°F), are months with the coldest seawater in Constitución.

How cold is the water in Septiembre in Constitución?

In Septiembre, the average sea temperature is 12.8°C (55°F). Swimming in 12.8°C (55°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 Constitución have in Septiembre?

In Constitución, Chile, the average length of the day in Septiembre is 11.9h.
Average sea temperature in September - Constitución, Chile
  • Average sea temperature in September: 12.8°C

The best month for swimming (with the highest average sea temperature) is March (16.4°C).
Coldest months (with the lowest average sea temperature) are August and September (12.8°C).

Average daylight in September - Constitución, Chile
  • Average daylight in September: 11.9h

The month with the longest days is December (Average daylight: 14.5h).
The month with shortest days is June (Average daylight: 9.8h).