Granite Bay
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Granite Bay, CA

The first month of the autumn, September, is also a hot month in Granite Bay, California, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 57.9°F (14.4°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still tropical 87.1°F (30.6°C). In Granite Bay, in September, the average low-temperature is 57.9°F (14.4°C).

Rainfall

During September, Granite Bay regularly aggregates up to 0.4" (8.9mm) of precipitation. Throughout the year, in Granite Bay, California, 20.4" (519.3mm) of rain is accumulated.

Daylight

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

What is the temperature in September in Granite Bay?

In September, in Granite Bay, California, the average high-temperature is 87.1°F (30.6°C), and the average low-temperature is 57.9°F (14.4°C).

How much does it rain in Granite Bay in September?

In Granite Bay, in September, 0.4" (8.9mm) of precipitation is typically accumulated.

How many hours of daylight does Granite Bay have in September?

In Granite Bay, the average length of the day in September is 12.4h.
Average temperature in September - Granite Bay, CA
  • Average high temperature in September: 87°F

The warmest month (with the highest average high temperature) is July (94°F).
The month with the lowest average high temperature is January (53°F).

  • Average low temperature in September: 58°F

Months with the highest average low temperature are July and August (61°F).
Coldest months (with the lowest average low temperature) are January and December (39°F).

Average rainfall in September - Granite Bay, CA
  • Average rainfall in September: 0.4"

The wettest month (with the highest rainfall) is January (4").
The driest month (with the lowest rainfall) is July (0").

Average daylight in September - Granite Bay, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).