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

September weather forecast and climate
Pendleton, OR

These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon, a deep
These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon, a deep
The first month of the autumn, September, is still a warm month in Pendleton, Oregon, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 77.4°F (25.2°C).

Temperature

In Pendleton, Oregon, the average high-temperature in September drops, from a tropical 86.7°F (30.4°C) in August, to a warm 77.4°F (25.2°C). In Pendleton, Oregon, the average low-temperature is 49.5°F (9.7°C).

Rainfall

In September, the rain falls for 3.9 days. Throughout September, 0.6" (14.5mm) of precipitation is accumulated. Throughout the year, there are 97.9 rainfall days, and 12.6" (321.3mm) of precipitation is accumulated.

Snowfall

In Pendleton, Oregon, in September, it doesn't snow. In October, it regularly snows. In Pendleton, during the entire year, snow aggregates up to 14.8" (375.9mm).

Daylight

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

What is the temperature in September in Pendleton?

The average high-temperature, in September, in Pendleton, Oregon, is 77.4°F (25.2°C), while the average low-temperature is 49.5°F (9.7°C).

How many days does it rain in September in Pendleton?

In Pendleton, Oregon, in September, it is raining for 3.9 days, with typically 0.6" (14.5mm) of accumulated precipitation.

Does it snow in Pendleton in September?

In Pendleton, Oregon, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Pendleton have in September?

The average length of the day in September is 12.5h.
Average temperature in September - Pendleton, OR
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (39.5°F).

  • Average low temperature in September: 49.4°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (27°F).

Average rainfall in September - Pendleton, OR
  • Average rainfall in September: 0.6"

Wettest months (with the highest rainfall) are November and December (1.5").
The driest month (with the lowest rainfall) is July (0.3").

Average rainfall days in September - Pendleton, OR
  • Average rainfall days in September: 3.9 days

The month with the highest number of rainy days is November (12.3 days).
The month with the lowest number of rainy days is August (2.4 days).

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

The month with the highest snowfall is December (5.8").
Months with the lowest snowfall are April, May, June, July, August and September (0").

Average snowfall days in September - Pendleton, OR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (4.1 days).
Months with the lowest number of snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September - Pendleton, 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: 8.8h).