September weather forecast
Scotts Mills, OR

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Weather in September

September, the first month of the autumn in Scotts Mills, is still a pleasant month, with an average temperature fluctuating between 49.6°F (9.8°C) and 72.7°F (22.6°C).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 80.2°F (26.8°C) to an agreeable 72.7°F (22.6°C). In the month of September, Scotts Mills witnesses a marked temperature drop at night, averaging a low of 49.6°F (9.8°C).

Humidity

In September, the average relative humidity is 71%.

Rainfall

In September, the rain falls for 10.1 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. In Scotts Mills, Oregon, during the entire year, the rain falls for 168.8 days and collects up to 30.39" (772mm) of precipitation.

Snowfall

In Scotts Mills, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm PDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the average September temperature?

The average high-temperature and low-temperature during September are 72.7°F (22.6°C) and 49.6°F (9.8°C) respectively.

What is the average humidity in September in Scotts Mills?

In September, the average relative humidity is 71%.

How many days does it rain in September?

In Scotts Mills, in September, during 10.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Scotts Mills have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm PDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.3h.

How high is the UV index in September?

The average daily maximum UV index in September in Scotts Mills is 4. A UV Index 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
Scotts Mills, OR

Average temperature in September - Scotts Mills, OR
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in September
Scotts Mills, OR

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in September
Scotts Mills, OR

Average wind speed in September - Scotts Mills, OR
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September
Scotts Mills, OR

Average humidity in September - Scotts Mills, OR
  • Average humidity in September: 71%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Scotts Mills, OR

Average rainfall in September - Scotts Mills, OR
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in September
Scotts Mills, OR

Average rainfall days in September - Scotts Mills, OR
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (4.3 days).

Average snowfall in September
Scotts Mills, OR

Average snowfall in September - Scotts Mills, OR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Scotts Mills, OR

Average snowfall days in September - Scotts Mills, OR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Scotts Mills, OR

Average daylight in September / Average sunshine in September - Scotts Mills, 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: 9h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September
Scotts Mills, OR

Average sunshine days in September - Scotts Mills, OR
  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in September
Scotts Mills, OR

Average UV index in September - Scotts Mills, 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).

Average cloud cover in September
Scotts Mills, OR

Average cloud cover in September - Scotts Mills, OR
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Scotts Mills, OR

Average visibility in September - Scotts Mills, 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, March, April, May, June, October, November and December (5mi).

Scotts Mills, Oregon, USA

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