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

September weather forecast and climate
Halfway, OR

September, the first month of the autumn, in Halfway, is still a warm month, with average temperature fluctuating between 39°F (3.9°C) and 78.8°F (26°C).

Temperature

In Halfway, the average high-temperature decreases, from a tropical 88°F (31.1°C) in August, to a moderately hot 78.8°F (26°C). The average low-temperature, in Halfway, is 39°F (3.9°C).

Rainfall

In September, the rain falls for 4 days. Throughout September, 0.8" (19.8mm) of precipitation is accumulated. Throughout the year, there are 93 rainfall days, and 21.4" (543.1mm) of precipitation is accumulated.

Snowfall

In Halfway, Oregon, snow does not fall in May through September.

Daylight

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

What is the temperature in September in Halfway?

In September, in Halfway, Oregon, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 39°F (3.9°C).

How many days does it rain in September in Halfway?

In Halfway, Oregon, during September, the rain falls for 4 days and regularly aggregates up to 0.8" (19.8mm) of precipitation.

Does it snow in Halfway in September?

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

When it does not snow in Halfway?

In Halfway, Oregon, snow does not fall in May through September.

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

In September, the average length of the day in Halfway, Oregon, is 12.5h.
Average temperature in September - Halfway, OR
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in September: 39.1°F

The month with the highest average low temperature is July (48.2°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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

The wettest month (with the highest rainfall) is December (3.5").
Driest months (with the lowest rainfall) are July and August (0.5").

Average rainfall days in September - Halfway, OR
  • Average rainfall days in September: 4 days

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

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

The month with the highest snowfall is January (25.3").
Months with the lowest snowfall are May, June, July, August and September (0").

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

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.8h).