September weather forecast
Eagle Creek, OR

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Weather in September

The first month of the autumn, September, is still a pleasant month in Eagle Creek, Oregon, with an average temperature fluctuating between 70.7°F (21.5°C) and 48°F (8.9°C).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's warm 77.9°F (25.5°C) to an agreeable 70.7°F (21.5°C). Eagle Creek's September nights cool down significantly from the day's heat, to an average low-temperature of 48°F (8.9°C).

Humidity

The average relative humidity in September is 71%.

Rainfall

In Eagle Creek, in September, it is raining for 11 days, with typically 1.77" (45mm) of accumulated precipitation. In Eagle Creek, Oregon, during the entire year, the rain falls for 176.4 days and collects up to 37.13" (943mm) of precipitation.

Snowfall

In Eagle Creek, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:50 pm PDT.

Sunshine

In Eagle Creek, the average sunshine in September is 9.4h.

UV index

In Eagle Creek, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature during September are 70.7°F (21.5°C) and 48°F (8.9°C) respectively.

What is the average humidity in September?

In September, the average relative humidity is 71%.

How much does it rain in September?

In Eagle Creek, during September, the rain falls for 11 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Eagle Creek have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:32 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:50 pm PDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.4h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Eagle Creek, OR

Average temperature in September - Eagle Creek, OR
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in September: 48°F

The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).

Average pressure in September
Eagle Creek, OR

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).

Average wind speed in September
Eagle Creek, OR

Average wind speed in September - Eagle Creek, OR
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in September
Eagle Creek, OR

Average humidity in September - Eagle Creek, 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
Eagle Creek, OR

Average rainfall in September - Eagle Creek, OR
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is December (5.67").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in September
Eagle Creek, OR

Average rainfall days in September - Eagle Creek, OR
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is March (20.7 days).
The months with the least rainy days are July and August (5.3 days).

Average snowfall in September
Eagle Creek, OR

Average snowfall in September - Eagle Creek, OR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.49").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Eagle Creek, OR

Average snowfall days in September - Eagle Creek, OR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.2 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
Eagle Creek, OR

Average daylight in September / Average sunshine in September - Eagle Creek, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September
Eagle Creek, OR

Average sunshine days in September - Eagle Creek, OR
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (8 days).

Average UV index in September
Eagle Creek, OR

Average UV index in September - Eagle Creek, OR
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Eagle Creek, OR

Average cloud cover in September - Eagle Creek, OR
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Eagle Creek, OR

Average visibility in September - Eagle Creek, OR
  • Average visibility in September: 5mi

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

Eagle Creek, Oregon, USA

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