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

September weather forecast and climate
Ukiah, OR

The first month of the autumn, September, is still a warm month in Ukiah, Oregon, with average temperature fluctuating between 32.4°F (0.2°C) and 74.1°F (23.4°C).

Temperature

In Ukiah, Oregon, the average high-temperature in September marginally drops, from 82.4°F (28°C) in August, to a still warm 74.1°F (23.4°C). In September, the average low-temperature is 32.4°F (0.2°C).

Rainfall

In Ukiah, during 5 rainfall days, 0.8" (21.3mm) of precipitation is typically accumulated. Throughout the year, in Ukiah, Oregon, there are 102 rainfall days, and 17.1" (434.5mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Ukiah are January through May, September through December. September is the first month it typically snows in Ukiah. Throughout September, Ukiah receives 0.1" (2.5mm) of snow. Throughout the year, 38.2" (970.2mm) of snow is accumulated.

Daylight

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

What is the temperature in September in Ukiah?

The average high-temperature, in September, in Ukiah, is 74.1°F (23.4°C), while the average low-temperature is 32.4°F (0.2°C).

How many days does it rain in September in Ukiah?

In September, the rain falls for 5 days. Throughout September, 0.8" (21.3mm) of precipitation is accumulated.

When does it start snowing in Ukiah?

September is the first month it typically snows in Ukiah, Oregon. Throughout September, Ukiah receives 0.1" (2.5mm) of snow.

How many hours of daylight does Ukiah have in September?

In Ukiah, the average length of the day in September is 12.5h.
Average temperature in September - Ukiah, OR
  • Average high temperature in September: 74.2°F

The warmest month (with the highest average high temperature) is July (83.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in September: 32.3°F

The month with the highest average low temperature is July (39.7°F).
The coldest month (with the lowest average low temperature) is January (13.9°F).

Average rainfall in September - Ukiah, OR
  • Average rainfall in September: 0.8"

The wettest month (with the highest rainfall) is December (2.1").
The driest month (with the lowest rainfall) is July (0.5").

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

Months with the highest number of rainy days are January and December (12 days).
The month with the lowest number of rainy days is July (3 days).

Average snowfall in September - Ukiah, OR
  • Average snowfall in September: 0.1"

The month with the highest snowfall is January (11.4").
Months with the lowest snowfall are June, July and August (0").

Average daylight in September - Ukiah, 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).