September weather forecast
McMinnville, OR

Weather in September

The first month of the autumn, September, is also a moderately hot month in McMinnville, Oregon, with an average temperature varying between 73.4°F (23°C) and 50.5°F (10.3°C).

Temperature

In September, the average high-temperature marginally drops from 81.1°F (27.3°C) in August to a still moderately hot 73.4°F (23°C). In McMinnville, the average low-temperature is 50.5°F (10.3°C).

Humidity

In McMinnville, the average relative humidity in September is 72%.

Rainfall

In McMinnville, during September, the rain falls for 10.6 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 172.2 rainfall days, and 28.9" (734mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In McMinnville, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:55 pm PDT.

Sunshine

In McMinnville, Oregon, the average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index in McMinnville is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in September in McMinnville?

In McMinnville, Oregon, in September, the average high-temperature is 73.4°F (23°C), and the average low-temperature is 50.5°F (10.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 84.2°F (29°C).

What is the average humidity in September in McMinnville?

The average relative humidity in September is 72%.

How much does it rain in McMinnville in September?

In September, in McMinnville, Oregon, the rain falls for 10.6 days. Throughout September, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in McMinnville?

April through October are months without snowfall.

How many hours of daylight does McMinnville have in September?

In September, the average day length in McMinnville is 12h and 31min.

What time are sunrise and sunset in September in McMinnville?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:50 pm. On the last day of the month, in McMinnville, sunrise is at 7:09 am and sunset at 6:55 pm PDT.

How long on average sun shines in September in McMinnville?

In September, the average sunshine duration in McMinnville, Oregon, is 9.1h.

What is the UV index reading in September in McMinnville?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
McMinnville, OR

Average temperature in September - McMinnville, OR
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (44.1°F).

  • Average low temperature in September: 50.5°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 (34.3°F).

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Average pressure in September
McMinnville, OR

Average pressure in September - McMinnville, OR
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in September
McMinnville, OR

Average wind speed in September - McMinnville, OR
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in September
McMinnville, OR

Average humidity in September - McMinnville, OR
  • Average humidity in September: 72%

The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in September
McMinnville, OR

Average rainfall in September - McMinnville, OR
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.35").

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Average rainfall days in September
McMinnville, OR

Average rainfall days in September - McMinnville, OR
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.6 days).

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Average snowfall in September
McMinnville, OR

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

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
McMinnville, OR

Average snowfall days in September - McMinnville, OR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - McMinnville, OR
  • Average daylight in September: 12h and 31min

The month with the longest days is June (Average daylight: 15h and 35min).
The month with the shortest days is December (Average daylight: 8h and 49min).

  • Average sunshine in September: 9h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in September
McMinnville, OR

Average sunshine days in September - McMinnville, OR
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in September
McMinnville, OR

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

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

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Average cloud cover in September
McMinnville, OR

Average cloud cover in September - McMinnville, OR
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
McMinnville, OR

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

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).

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