Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the onset of September, Eagle Creek's average high-temperature slightly adjusts, moderately receding from August's warm 77.9°F (25.5°C) to an agreeable 70.7°F (21.5°C). Despite a significant deviation from daily highs, September sees an average nighttime temperature of 48°F (8.9°C).Humidity
In Eagle Creek, the average relative humidity in September is 71%.Rainfall
In Eagle Creek, in September, during 11 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Eagle Creek, there are 176.4 rainfall days, and 37.13" (943mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Eagle Creek, Oregon, 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 September, the average sunshine in Eagle Creek is 9.4h.UV index
In Eagle Creek, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are September temperatures in Eagle Creek?
What is the average humidity in September in Eagle Creek?
How many days does it rain in September in Eagle Creek?
When it does not snow in Eagle Creek?
How many hours of daylight does Eagle Creek have in September?
When is the sunrise / sunset in September in Eagle Creek?
How many hours of sunshine does Eagle Creek have in September?
How high is the UV index in September in Eagle Creek?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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