Klamath Falls
Oregon, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Klamath Falls, OR

Calm water on either side of a wavy road leading to the far seen hilly scape near the iconic Klamath Falls in Oregon, dark rainy clouds looming
Calm water on either side of a wavy road leading to the far seen hilly scape near the iconic Klamath Falls in Oregon, dark rainy clouds looming
The first month of the autumn, September, is still a warm month in Klamath Falls, Oregon, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 43.2°F (6.2°C).

Temperature

In Klamath Falls, the average high-temperature slightly decreases, from a warm 84°F (28.9°C) in August, to a still moderately hot 75.9°F (24.4°C). The average low-temperature, in September, is 43.2°F (6.2°C).

Rainfall

In September, in Klamath Falls, the rain falls for 3 days. Throughout September, 0.6" (14mm) of precipitation is accumulated. Throughout the year, there are 81 rainfall days, and 13.4" (340.8mm) of precipitation is accumulated.

Snowfall

In Klamath Falls snow does not fall in June through September.

Daylight

The average length of the day in September in Klamath Falls is 12.5h.

What is the temperature in September in Klamath Falls?

In Klamath Falls, Oregon, in September, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 43.2°F (6.2°C).

How many days does it rain in September in Klamath Falls?

In Klamath Falls, during September, the rain falls for 3 days and regularly aggregates up to 0.6" (14mm) of precipitation.

Does it snow in Klamath Falls in September?

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

When it does not snow in Klamath Falls?

In Klamath Falls snow does not fall in June through September.

How many hours of daylight does Klamath Falls have in September?

The average length of the day in September in Klamath Falls is 12.5h.
Average temperature in September - Klamath Falls, OR
  • Average high temperature in September: 76°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in September: 43.2°F

The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (20.6°F).

Average rainfall in September - Klamath Falls, OR
  • Average rainfall in September: 0.6"

The wettest month (with the highest rainfall) is December (2.1").
The driest month (with the lowest rainfall) is July (0.3").

Average rainfall days in September - Klamath Falls, OR
  • Average rainfall days in September: 3 days

Months with the highest number of rainy days are January and December (11 days).
Months with the lowest number of rainy days are July and August (2 days).

Average snowfall in September - Klamath Falls, OR
  • Average snowfall in September: 0"

The month with the highest snowfall is January (12.1").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in September - Klamath Falls, OR
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).