Willow Creek
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Willow Creek, CA

The first month of the autumn, September, is still a hot month in Willow Creek, California, with average temperature fluctuating between 87.8°F (31°C) and 47.3°F (8.5°C).

Temperature

In Willow Creek, the average high-temperature in September slightly decreases, from 94.5°F (34.7°C) in August, to a still tropical 87.8°F (31°C). The average low-temperature, in Willow Creek, is 47.3°F (8.5°C).

Rainfall

In Willow Creek, it is raining for 3 days, with typically 0.9" (23mm) of accumulated precipitation. In Willow Creek, during the entire year, the rain falls for 92 days and collects up to 50.9" (1294mm) of precipitation.

Daylight

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

What is the temperature in September in Willow Creek?

In September, in Willow Creek, the average high-temperature is 87.8°F (31°C), and the average low-temperature is 47.3°F (8.5°C).

How many days does it rain in September in Willow Creek?

In September, the rain falls for 3 days. Throughout September, 0.9" (23mm) of precipitation is accumulated.

What is the average length of the day in September in Willow Creek?

In September, the average length of the day in Willow Creek is 12.4h.
Average temperature in September - Willow Creek, CA
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (50.2°F).

  • Average low temperature in September: 47.3°F

The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average rainfall in September - Willow Creek, CA
  • Average rainfall in September: 0.9"

The wettest month (with the highest rainfall) is December (9.7").
The driest month (with the lowest rainfall) is July (0.2").

Average rainfall days in September - Willow Creek, CA
  • Average rainfall days in September: 3 days

The month with the highest number of rainy days is December (14 days).
The month with the lowest number of rainy days is July (1 days).

Average daylight in September - Willow Creek, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).