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

September weather forecast and climate
Claremont, CA

Mabel Shaw Bridges Hall of Music in the Pomona College in Claremont, California
Mabel Shaw Bridges Hall of Music in the Pomona College in Claremont, California
The first month of the autumn, September, is still a hot month in Claremont, California, with temperature in the range of an average high of 89.1°F (31.7°C) and an average low of 61°F (16.1°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still hot 89.1°F (31.7°C). In September, in Claremont, California, the average low-temperature is 61°F (16.1°C).

Rainfall

During September, Claremont regularly aggregates up to 0.1" (3.8mm) of precipitation. During the entire year, Claremont aggregates up to 18.4" (467.5mm) of precipitation.

Daylight

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

What is the temperature in September in Claremont?

In Claremont, in September, the average high-temperature is 89.1°F (31.7°C), and the average low-temperature is 61°F (16.1°C).

How much does it rain in Claremont in September?

In Claremont, in September, 0.1" (3.8mm) of precipitation is typically accumulated.

How many hours of daylight does Claremont have in September?

In Claremont, the average length of the day in September is 12.4h.
Average temperature in September - Claremont, CA
  • Average high temperature in September: 89°F

The warmest month (with the highest average high temperature) is August (92°F).
Months with the lowest average high temperature are January and December (68°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is August (62°F).
The coldest month (with the lowest average low temperature) is January (39°F).

Average rainfall in September - Claremont, CA
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is February (4.8").
The driest month (with the lowest rainfall) is August (0").

Average daylight in September - Claremont, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).