September weather forecast and climate
Lakeview, OR

September, the first month of the autumn, in Lakeview, is also an agreeable month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 70.9°F (21.6°C).

Temperature

In Lakeview, Oregon, the average high-temperature in September slightly decreases, from a moderately hot 79.3°F (26.3°C) in August, to a pleasant 70.9°F (21.6°C). In Lakeview, the average low-temperature is 45.9°F (7.7°C).

Humidity

In Lakeview, the average relative humidity is 42%.

Rainfall

In Lakeview, in September, during 5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Lakeview, Oregon, during the entire year, the rain falls for 93.6 days and collects up to 15.28" (388mm) of precipitation.

Snowfall

Months with snowfall in Lakeview, Oregon, are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.39" (10mm) of snow. In Lakeview, Oregon, during the entire year, snow falls for 72.8 days, and aggregates up to 57.17" (1452mm) of snow.

Daylight

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

Sunshine

In September, the average sunshine is 11h.

UV index

In Lakeview, Oregon, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in September in Lakeview?

In September, in Lakeview, the average high-temperature is 70.9°F (21.6°C), and the average low-temperature is 45.9°F (7.7°C).

What is the average humidity in September in Lakeview?

The average relative humidity in September is 42%.

How many days does it rain in September in Lakeview?

In Lakeview, Oregon, in September, it is raining for 5 days, with typically 0.47" (12mm) of accumulated precipitation.

When does it start to snow in Lakeview?

September is the first month it typically snows in Lakeview, Oregon. Throughout September, in the average 0.3 snowfall days, it receives 0.39" (10mm) of snow.

How many hours of daylight does Lakeview have in September?

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

How many hours of sunshine does Lakeview have in September?

In Lakeview, the average sunshine in September is 11h.

What is the UV index reading in September in Lakeview?

The average daily maximum UV index in September in Lakeview, Oregon, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Lakeview, OR
  • Average high temperature in September: 70.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (34.3°F).

  • Average low temperature in September: 45.9°F

The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

Average pressure in September - Lakeview, OR
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.21").
Months with the lowest atmospheric pressure are June and August (29.94").

Average wind speed in September - Lakeview, OR
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September - Lakeview, OR
  • Average humidity in September: 42%

Months with the highest relative humidity are January and December (81%).
The month with the lowest relative humidity is August (36%).

Average rainfall in September - Lakeview, OR
  • Average rainfall in September: 0.47"

The wettest month (with the highest rainfall) is December (2.28").
The driest month (with the least rainfall) is July (0.2").

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

Months with the highest number of rainy days are March, April and May (11.8 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in September - Lakeview, OR
  • Average snowfall in September: 0.39"

The month with the highest snowfall is December (13.35").
Months with the least snowfall are July and August (0").

Average snowfall days in September - Lakeview, OR
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is December (14.8 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in September / Average sunshine in September - Lakeview, OR
  • Average daylight in September: 12.5h

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

  • Average sunshine in September: 11h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.4h).

Average sunshine days in September - Lakeview, OR
  • Average sunshine days in September: 24 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (11.8 days).

Average UV index in September - Lakeview, OR
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September - Lakeview, OR
  • Average cloud cover in September: 13

Months with the most cloud cover are March and December (Cloud cover 45).
Months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in September - Lakeview, OR
  • Average visibility in September: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February and December (5mi).