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

September weather forecast and climate
Arnold, CA

September, the first month of the autumn, in Arnold, is still a warm month, with average temperature fluctuating between 46.4°F (8°C) and 75.2°F (24°C).

Temperature

In September, the average high-temperature marginally drops, from 82.4°F (28°C) in August, to a still moderately hot 75.2°F (24°C). The average low-temperature, in Arnold, is 46.4°F (8°C).

Rainfall

Throughout September, 0.7" (18mm) of precipitation is accumulated. During the entire year, Arnold aggregates up to 54.4" (1383mm) of precipitation.

Daylight

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

What is the temperature in September in Arnold?

In Arnold, in September, the average high-temperature is 75.2°F (24°C), and the average low-temperature is 46.4°F (8°C).

How much does it rain in Arnold in September?

In Arnold, in September, 0.7" (18mm) of precipitation is typically accumulated.

How many hours of daylight does Arnold have in September?

In September, the average length of the day in Arnold is 12.4h.
Average temperature in September - Arnold, CA
  • Average high temperature in September: 75.2°F

Warmest months (with the highest average high temperature) are July and August (82.4°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in September: 46.4°F

Months with the highest average low temperature are July and August (51.8°F).
Coldest months (with the lowest average low temperature) are January, February and December (28.4°F).

Average rainfall in September - Arnold, CA
  • Average rainfall in September: 0.7"

The wettest month (with the highest rainfall) is January (10.4").
The driest month (with the lowest rainfall) is July (0.1").

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

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).