Clatskanie
Oregon, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Clatskanie, OR

September, the first month of the autumn, in Clatskanie, is also an agreeable month, with average temperature ranging between min 49.3°F (9.6°C) and max 71.1°F (21.7°C).

Temperature

In September, the average high-temperature is practically the same as in August - an agreeable 71.1°F (21.7°C). In September, in Clatskanie, Oregon, the average low-temperature is 49.3°F (9.6°C).

Rainfall

In Clatskanie, during 9 rainfall days, 2.1" (52.3mm) of precipitation is typically accumulated. In Clatskanie, during the entire year, the rain falls for 179 days and collects up to 56.4" (1432.9mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Clatskanie, Oregon, the average length of the day in September is 12.5h.

What is the temperature in September in Clatskanie?

In September, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 49.3°F (9.6°C).

How much does it rain in Clatskanie in September?

In Clatskanie, Oregon, in September, during 9 rainfall days, 2.1" (52.3mm) of precipitation is typically accumulated.

When it does not snow in Clatskanie?

In Clatskanie snow does not fall in April through October.

How many hours of daylight does Clatskanie have in September?

In Clatskanie, Oregon, the average length of the day in September is 12.5h.
Average temperature in September - Clatskanie, OR
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is January (44.3°F).

  • Average low temperature in September: 49.3°F

The month with the highest average low temperature is August (53.1°F).
The coldest month (with the lowest average low temperature) is January (33.2°F).

Average rainfall in September - Clatskanie, OR
  • Average rainfall in September: 2.1"

The wettest month (with the highest rainfall) is December (9.5").
The driest month (with the lowest rainfall) is July (0.7").

Average rainfall days in September - Clatskanie, OR
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is December (22 days).
Months with the lowest number of rainy days are July and August (6 days).

Average snowfall in September - Clatskanie, OR
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.4").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average daylight in September - Clatskanie, OR
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).