Arroyo Grande
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Arroyo Grande, CA

September, the first month of the autumn, in Arroyo Grande, is a pleasant month, with average temperature varying between 54°F (12.2°C) and 68°F (20°C).

Temperature

September is the warmest month, with an average high-temperature of 68°F (20°C) and an average low-temperature of 54°F (12.2°C).

Daylight

The average length of the day in September in Arroyo Grande is 12.4h.

What is the warmest month in Arroyo Grande?

The warmest month in Arroyo Grande is September, with an average high-temperature of 68°F (20°C) and an average low-temperature of 54°F (12.2°C).

What is the temperature in September in Arroyo Grande?

In September, the average high-temperature is 68°F (20°C), and the average low-temperature is 54°F (12.2°C).

What is the average length of the day in September in Arroyo Grande?

The average length of the day in September in Arroyo Grande is 12.4h.
Average temperature in September - Arroyo Grande, CA
  • Average high temperature in September: 68°F

The warmest month (with the highest average high temperature) is September (68°F).
Months with the lowest average high temperature are January and December (60°F).

  • Average low temperature in September: 54°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (44°F).

Average daylight in September - Arroyo Grande, CA
  • Average daylight in September: 12.4h

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