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

September weather forecast and climate
Dallas, OR

The first month of the autumn, September, is also a moderately hot month in Dallas, Oregon, with average temperature varying between 46.6°F (8.1°C) and 77.5°F (25.3°C).

Temperature

In Dallas, the average high-temperature is practically the same as in August - a still moderately hot 77.5°F (25.3°C). In Dallas, Oregon, the average low-temperature is 46.6°F (8.1°C).

Rainfall

In Dallas, it is raining for 6 days, with typically 1.3" (33.8mm) of accumulated precipitation. Throughout the year, in Dallas, Oregon, there are 139 rainfall days, and 48.1" (1222mm) of precipitation is accumulated.

Snowfall

In Dallas, Oregon, during the entire year, snow aggregates up to 8.2" (208.3mm).

Daylight

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

What is the temperature in September in Dallas?

In September, in Dallas, Oregon, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 46.6°F (8.1°C).

How much does it rain in Dallas in September?

In Dallas, Oregon, in September, during 6 rainfall days, 1.3" (33.8mm) of precipitation is typically accumulated.

What is the average length of the day in September in Dallas?

The average length of the day in September is 12.5h.
Average temperature in September - Dallas, OR
  • Average high temperature in September: 77.6°F

The warmest month (with the highest average high temperature) is August (82.3°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in September: 46.6°F

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (32.8°F).

Average rainfall in September - Dallas, OR
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is December (8.9").
The driest month (with the lowest rainfall) is July (0.4").

Average rainfall days in September - Dallas, OR
  • Average rainfall days in September: 6 days

Months with the highest number of rainy days are January and December (18 days).
Months with the lowest number of rainy days are July and August (3 days).

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

The month with the highest snowfall is January (3.4").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

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

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).