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
The arrival of September indicates a decrease in the average high-temperature, moving from a hot 87.1°F (30.6°C) in August to a moderately hot 76.1°F (24.5°C). During the month of September, the temperature falls to an average of 57°F (13.9°C).Humidity
In Echo, the average relative humidity in September is 44%.Rainfall
In Echo, in September, it is raining for 5.1 days, with typically 0.31" (8mm) of accumulated precipitation. In Echo, during the entire year, the rain falls for 109.3 days and collects up to 8.11" (206mm) of precipitation.Snowfall
January through March, September, November and December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Echo, during the entire year, snow falls for 12 days and aggregates up to 6.06" (154mm) of snow.Daylight
In Echo, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:38 pm PDT.
Sunshine
In Echo, the average sunshine in September is 10.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
How many hours of daylight does Echo have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Echo have in September?
What is the UV index reading in September?
Average temperature in September
Echo, OR
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (38.8°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in September
Echo, OR
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in September
Echo, OR
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is December (6.1mph).
Average humidity in September
Echo, OR
- Average humidity in September: 44%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in September
Echo, OR
- Average rainfall in September: 0.31"
The wettest months (with the highest rainfall) are March and December (1.06").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Echo, OR
- Average rainfall days in September: 5.1 days
The month with the highest number of rainy days is March (14.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Echo, OR
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in September
Echo, OR
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (3.7 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Echo, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Echo, OR
- Average sunshine days in September: 23.2 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in September
Echo, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Echo, OR
- Average cloud cover in September: 16
The months with the most cloud cover are January and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Echo, OR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Echo, Oregon, USA
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