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 signals a shift in temperature, down from a moderately hot 82.9°F (28.3°C) in August to an agreeable 71.6°F (22°C). East Wenatchee Bench's temperature in September declines substantially from daytime highs, settling at a consistent average of 49.6°F (9.8°C) during the nights.Humidity
In September, the average relative humidity in East Wenatchee Bench is 52%.Rainfall
In September, the rain falls for 6 days. Throughout September, 0.59" (15mm) of precipitation is accumulated. Throughout the year, in East Wenatchee Bench, there are 111.7 rainfall days, and 10.71" (272mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. September is the first month it typically snows in East Wenatchee Bench. Throughout September, in the average 0.1 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 31.6 snowfall days, and 18.86" (479mm) of snow is accumulated.Daylight
In East Wenatchee Bench, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:40 pm. On the last day of September, in East Wenatchee Bench, sunrise is at 6:59 am and sunset at 6:41 pm PDT.
Sunshine
In East Wenatchee Bench, Washington, the average sunshine in September is 10.8h.UV index
In East Wenatchee Bench, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for East Wenatchee Bench in September?
What is the average humidity in September in East Wenatchee Bench?
How many days does it rain in September in East Wenatchee Bench?
When does it start to snow in East Wenatchee Bench?
What is the average length of the day in September in East Wenatchee Bench?
When are sunrise and sunset in September in East Wenatchee Bench?
How many hours of sunshine does East Wenatchee Bench have in September?
How high is the UV index in September in East Wenatchee Bench?
Average temperature in September
East Wenatchee Bench, WA
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is August (56.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in September
East Wenatchee Bench, WA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in September
East Wenatchee Bench, WA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is June (6.5mph).
The calmest month (with the lowest average wind speed) is December (3.7mph).
Average humidity in September
East Wenatchee Bench, WA
- Average humidity in September: 52%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (44%).
Average rainfall in September
East Wenatchee Bench, WA
- Average rainfall in September: 0.59"
The wettest months (with the highest rainfall) are January and December (1.57").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in September
East Wenatchee Bench, WA
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
East Wenatchee Bench, WA
- Average snowfall in September: 0.28"
The month with the highest snowfall is December (5.98").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in September
East Wenatchee Bench, WA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
East Wenatchee Bench, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
East Wenatchee Bench, WA
- Average sunshine days in September: 22.2 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in September
East Wenatchee Bench, WA
- 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
East Wenatchee Bench, WA
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
East Wenatchee Bench, WA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
East Wenatchee Bench, Washington, USA
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