September weather forecast
Shaniko, OR

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Weather in September

The first month of the autumn, September, is also an agreeable month in Shaniko, Oregon, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 48.6°F (9.2°C).

Temperature

As September commences, the average high-temperature shows a reduction, transitioning from a warm 81.7°F (27.6°C) in August to a pleasant 72.5°F (22.5°C). Shaniko demonstrates a significant disparity from daytime highs throughout the month of September, with an average nighttime temperature of 48.6°F (9.2°C).

Humidity

In September, the average relative humidity is 55%.

Rainfall

In Shaniko, during September, the rain falls for 6.3 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Shaniko, during the entire year, the rain falls for 121.1 days and collects up to 11.38" (289mm) of precipitation.

Snowfall

January through May, September, November and December are months with snowfall in Shaniko, Oregon. September is the first month it typically snows in Shaniko. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 35.3 snowfall days, and 17.6" (447mm) of snow is accumulated.

Daylight

The average length of the day in September in Shaniko, Oregon, is 12h and 31min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:39 pm. On the last day of September, in Shaniko, sunrise is at 7:00 am and sunset at 6:44 pm PDT.

Sunshine

The average sunshine in September in Shaniko is 10.9h.

UV index

In September, the average daily maximum UV index in Shaniko is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the temperature in September in Shaniko?

An average high-temperature, in September, in Shaniko, is 72.5°F (22.5°C) and the average low-temperature is 48.6°F (9.2°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 82.4°F (28°C).

What is the average humidity in September in Shaniko?

In Shaniko, the average relative humidity in September is 55%.

How many days does it rain in September in Shaniko?

In Shaniko, Oregon, during September, the rain falls for 6.3 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When does it start to snow in Shaniko?

September is the first month it typically snows in Shaniko, Oregon. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Shaniko have in September?

The average day length in September in Shaniko, Oregon, is 12h and 31min.

What time are sunrise and sunset in September in Shaniko?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:39 pm. On the last day of the month, in Shaniko, Oregon, sunrise is at 7:00 am and sunset at 6:44 pm PDT.

How many hours of sunshine does Shaniko have in September?

In September, the average sunshine duration in Shaniko is 10.9h.

What is the UV index reading in September in Shaniko?

In Shaniko, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Shaniko, OR

Average temperature in September - Shaniko, OR
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in September: 48.6°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

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Average pressure in September
Shaniko, OR

Average pressure in September - Shaniko, OR
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in September
Shaniko, OR

Average wind speed in September - Shaniko, OR
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Shaniko, OR

Average humidity in September - Shaniko, OR
  • Average humidity in September: 55%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).

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Average rainfall in September
Shaniko, OR

Average rainfall in September - Shaniko, OR
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in September
Shaniko, OR

Average rainfall days in September - Shaniko, OR
  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).

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Average snowfall in September
Shaniko, OR

Average snowfall in September - Shaniko, OR
  • Average snowfall in September: 0.08"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").

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Average snowfall days in September
Shaniko, OR

Average snowfall days in September - Shaniko, OR
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Shaniko, OR

Average daylight in September / Average sunshine in September - Shaniko, OR
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in September
Shaniko, OR

Average sunshine days in September - Shaniko, OR
  • Average sunshine days in September: 21.5 days

The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).

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Average UV index in September
Shaniko, OR

Average UV index in September - Shaniko, OR
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Shaniko, OR

Average cloud cover in September - Shaniko, OR
  • Average cloud cover in September: 18

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in September
Shaniko, OR

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

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

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Shaniko, Oregon, USA

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