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

September weather forecast and climate
Wallowa, OR

The first month of the autumn, September, is also a moderately hot month in Wallowa, Oregon, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 37°F (2.8°C).

Temperature

In September, the average high-temperature slightly decreases, from 84.9°F (29.4°C) in August, to a still warm 76.3°F (24.6°C). In Wallowa, Oregon, the average low-temperature is 37°F (2.8°C).

Rainfall

In Wallowa, in September, it is raining for 5 days, with typically 1.1" (27.4mm) of accumulated precipitation. In Wallowa, during the entire year, the rain falls for 106 days and collects up to 17.4" (442.3mm) of precipitation.

Snowfall

In Wallowa, it doesn't snow. In October, it regularly snows. In Wallowa, Oregon, during the entire year, snow aggregates up to 45.3" (1150.6mm).

Daylight

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

What is the temperature in September in Wallowa?

In Wallowa, in September, the average high-temperature is 76.3°F (24.6°C), and the average low-temperature is 37°F (2.8°C).

How much does it rain in Wallowa in September?

In Wallowa, during September, the rain falls for 5 days and regularly aggregates up to 1.1" (27.4mm) of precipitation.

Does it snow in Wallowa in September?

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

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

The average length of the day in September is 12.5h.
Average temperature in September - Wallowa, OR
  • Average high temperature in September: 76.3°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in September: 37.1°F

The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average rainfall in September - Wallowa, OR
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is November (2").
The driest month (with the lowest rainfall) is July (0.7").

Average rainfall days in September - Wallowa, OR
  • Average rainfall days in September: 5 days

Months with the highest number of rainy days are January, November and December (12 days).
Months with the lowest number of rainy days are July and August (4 days).

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

The month with the highest snowfall is January (13.1").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in September - Wallowa, 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).