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

September weather forecast and climate
Rocklin, CA

The first month of the autumn, September, is still a hot month in Rocklin, California, with average temperature varying between 57.9°F (14.4°C) and 87.1°F (30.6°C).

Temperature

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

Rainfall

During September, Rocklin regularly aggregates up to 0.4" (8.9mm) of precipitation. During the entire year, Rocklin aggregates up to 20.4" (519.3mm) of precipitation.

Daylight

The average length of the day in September in Rocklin, California, is 12.4h.

What is the temperature in September in Rocklin?

In Rocklin, in September, 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 Rocklin in September?

During September, Rocklin regularly aggregates up to 0.4" (8.9mm) of precipitation.

How many hours of daylight does Rocklin have in September?

The average length of the day in September is 12.4h.
Average temperature in September - Rocklin, 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 - Rocklin, 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 - Rocklin, 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).