September weather forecast and climate
Jenner, CA

Average temperature in September - Jenner, CA
  • Average high temperature in September: 68°F

The warmest month (with the highest average high temperature) is September (68°F).
Months with the lowest average high temperature are January, February and December (57.2°F).

  • Average low temperature in September: 48.2°F

Months with the highest average low temperature are July, August and September (48.2°F).
Coldest months (with the lowest average low temperature) are January and December (39.2°F).

Average rainfall in September - Jenner, CA
  • Average rainfall in September: 0.6"

The wettest month (with the highest rainfall) is January (7.2").
The driest month (with the lowest rainfall) is July (0.1").

Average daylight in September - Jenner, 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).

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