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

September weather forecast and climate
Arcata, CA

September, the first month of the autumn, in Arcata, is still a comfortable month, with average temperature varying between 51.1°F (10.6°C) and 62.1°F (16.7°C).

Temperature

The warmest month is September, with an average high-temperature of 62.1°F (16.7°C) and an average low-temperature of 51.1°F (10.6°C).

Rainfall

During September, Arcata regularly aggregates up to 0.8" (20.3mm) of precipitation. During the entire year, Arcata aggregates up to 42.1" (1069.3mm) of precipitation.

Daylight

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

What is the warmest month in Arcata?

With an average high-temperature of 62.1°F (16.7°C) and an average low-temperature of 51.1°F (10.6°C), September is the warmest month in Arcata.

What is the temperature in September in Arcata?

In September, the average high-temperature is 62.1°F (16.7°C), and the average low-temperature is 51.1°F (10.6°C).

How much does it rain in Arcata in September?

During September, Arcata regularly aggregates up to 0.8" (20.3mm) of precipitation.

How many hours of daylight does Arcata have in September?

In Arcata, California, the average length of the day in September is 12.4h.
Average temperature in September - Arcata, CA
  • Average high temperature in September: 62°F

The warmest month (with the highest average high temperature) is September (62°F).
The month with the lowest average high temperature is January (53°F).

  • Average low temperature in September: 51°F

Months with the highest average low temperature are July and August (52°F).
Coldest months (with the lowest average low temperature) are January, February and March (42°F).

Average rainfall in September - Arcata, CA
  • Average rainfall in September: 0.8"

The wettest month (with the highest rainfall) is January (8.6").
The driest month (with the lowest rainfall) is July (0.1").

Average daylight in September - Arcata, 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).