Pacific Grove
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Pacific Grove, CA

Ocean temperature

August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater in Pacific Grove, California.
Note: At temperatures below 50°F (10°C), 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 55.4°F (13°C) is not comfortable.

Daylight

In September, the average length of the day is 12.4h.

What are the months with the warmest ocean in Pacific Grove?

August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater in Pacific Grove, California.

What is the ocean temperature in September in Pacific Grove?

In September, the average ocean temperature is 58.1°F (14.5°C). Swimming in 58.1°F (14.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) 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 Pacific Grove?

In Pacific Grove, the average length of the day in September is 12.4h.
Average sea temperature in September - Pacific Grove, CA
  • Average sea temperature in September: 58.1°F

Best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

Average daylight in September - Pacific Grove, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).