Atascadero
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Atascadero, CA

A scenic shot of the trees and the perfectly manicured grounds of the Sunken Gardens Park overlooking the Atascadero City Hall in California
A scenic shot of the trees and the perfectly manicured grounds of the Sunken Gardens Park overlooking the Atascadero City Hall in California
September, the first month of the autumn, in Atascadero, is also a hot month, with average temperature ranging between max 88°F (31.1°C) and min 48°F (8.9°C).

Temperature

In Atascadero, the average high-temperature in September is relatively the same as in August - a still hot 88°F (31.1°C). In Atascadero, the average low-temperature is 48°F (8.9°C).

Rainfall

During September, Atascadero regularly aggregates up to 0.3" (8.6mm) of precipitation. Throughout the year, 14.7" (373.7mm) of rain is accumulated.

Daylight

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

What is the temperature in September in Atascadero?

In Atascadero, in September, the average high-temperature is 88°F (31.1°C), and the average low-temperature is 48°F (8.9°C).

How much does it rain in Atascadero in September?

Throughout September, 0.3" (8.6mm) of precipitation is accumulated.

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

In September, the average length of the day in Atascadero is 12.4h.
Average temperature in September - Atascadero, CA
  • Average high temperature in September: 88°F

The warmest month (with the highest average high temperature) is August (92°F).
The month with the lowest average high temperature is January (61°F).

  • Average low temperature in September: 48°F

Months with the highest average low temperature are July and August (52°F).
The coldest month (with the lowest average low temperature) is December (31°F).

Average rainfall in September - Atascadero, CA
  • Average rainfall in September: 0.3"

The wettest month (with the highest rainfall) is February (3.3").
Driest months (with the lowest rainfall) are June and July (0").

Average daylight in September - Atascadero, 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).