September weather forecast
Mitchell, OR

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Weather in September

The first month of the autumn, September, is still a pleasant month in Mitchell, Oregon, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 48.4°F (9.1°C).

Temperature

As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a warm 79.3°F (26.3°C) to an agreeable 70.3°F (21.3°C). During the nights in September, Mitchell records a pronounced shift from the daytime warmth, with a consistent average temperature of 48.4°F (9.1°C).

Humidity

The average relative humidity in September is 48%.

Rainfall

In Mitchell, Oregon, during September, the rain falls for 6.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 96.3 rainfall days, and 10.75" (273mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 59.1 snowfall days, and 23.58" (599mm) of snow is accumulated.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of September in Mitchell, sunrise is at 6:24 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:42 pm PDT.

Sunshine

In September, the average sunshine in Mitchell, Oregon, is 10.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Mitchell in September?

An average high-temperature, in September, in Mitchell, is 70.3°F (21.3°C) and the average low-temperature is 48.4°F (9.1°C).

What is the average humidity in September in Mitchell?

In Mitchell, the average relative humidity in September is 48%.

How many days does it rain in September in Mitchell?

In Mitchell, Oregon, in September, during 6.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When does it start snowing in Mitchell?

September is the first month it typically snows in Mitchell, Oregon. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Mitchell have in September?

In Mitchell, Oregon, the average day length in September is 12h and 30min.

When are sunrise and sunset in September in Mitchell?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:36 pm. On the last day of the month, in Mitchell, sunrise is at 6:58 am and sunset at 6:42 pm PDT.

How long on average sun shines in September in Mitchell?

In Mitchell, the average sunshine duration in September is 10.8h.

How high is the UV index in September in Mitchell?

In September, the average daily maximum UV index in Mitchell, Oregon, is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mitchell, OR

Average temperature in September - Mitchell, OR
  • Average high temperature in September: 70.3°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is December (33.6°F).

  • Average low temperature in September: 48.4°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

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Average pressure in September
Mitchell, OR

Average pressure in September - Mitchell, OR
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).

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Average wind speed in September
Mitchell, OR

Average wind speed in September - Mitchell, OR
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in September
Mitchell, OR

Average humidity in September - Mitchell, OR
  • Average humidity in September: 48%

The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are July and August (41%).

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Average rainfall in September
Mitchell, OR

Average rainfall in September - Mitchell, OR
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is April (1.38").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in September
Mitchell, OR

Average rainfall days in September - Mitchell, OR
  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is August (4.8 days).

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Average snowfall in September
Mitchell, OR

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

The month with the highest snowfall is February (4.53").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Mitchell, OR

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

The month with the highest number of snowfall days is December (11.7 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in September
Mitchell, OR

Average sunshine days in September - Mitchell, OR
  • Average sunshine days in September: 20.9 days

The month with the most sunshine days is July (22.8 days).
The months with the least sunshine days are March and April (13.3 days).

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Average UV index in September
Mitchell, OR

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

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

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Average cloud cover in September
Mitchell, OR

Average cloud cover in September - Mitchell, OR
  • Average cloud cover in September: 17

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in September
Mitchell, OR

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

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

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Mitchell, Oregon, USA

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