September weather forecast and climate
Ferndale, CA

Average temperature in September - Ferndale, CA
  • Average high temperature in September: 72°F

The warmest month (with the highest average high temperature) is September (72°F).
The month with the lowest average high temperature is December (56°F).

  • Average low temperature in September: 50°F

Months with the highest average low temperature are July and August (52°F).
The coldest month (with the lowest average low temperature) is December (39°F).

Average rainfall days in September - Ferndale, CA
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is January (20 days).
The month with the lowest number of rainy days is July (4 days).

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

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

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