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
Davenport's progression into September involves a drop in the average high-temperature, receding from a moderately hot 83.3°F (28.5°C) in August to an agreeable 72.5°F (22.5°C). During the month of September, an average temperature of 52.2°F (11.2°C) is noted during the nights.Humidity
In September, the average relative humidity is 46%.Rainfall
In September, the rain falls for 7.6 days. Throughout September, 0.59" (15mm) of precipitation is accumulated. In Davenport, during the entire year, the rain falls for 127.9 days and collects up to 15.71" (399mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Davenport, Washington. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Davenport, during the entire year, snow falls for 65.1 days and aggregates up to 37.36" (949mm) of snow.Daylight
The average length of the day in September in Davenport, Washington, is 12h and 33min.On the first day of September, sunrise is at 6:12 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:33 pm PDT.
Sunshine
In Davenport, the average sunshine in September is 10.4h.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 exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding the Sun during its peak radiation time around midday is a healthy practice. 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. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the usual temperature for Davenport in September?
What is the average humidity in September in Davenport?
How much does it rain in Davenport in September?
When does it start snowing in Davenport?
What is the average length of the day in September in Davenport?
When are sunrise and sunset in September in Davenport?
How many hours of sunshine does Davenport have in September?
What is the UV index reading in September in Davenport?
Average temperature in September
Davenport, WA
- Average high temperature in September: 72.5°F
The warmest months (with the highest average high temperature) are July and August (83.3°F).
The month with the lowest average high temperature is December (31.5°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in September
Davenport, WA
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in September
Davenport, WA
- Average wind speed in September: 6.9mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Davenport, WA
- Average humidity in September: 46%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in September
Davenport, WA
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in September
Davenport, WA
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in September
Davenport, WA
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Davenport, WA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (15.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Davenport, 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 2min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Davenport, WA
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (10.2 days).
Average UV index in September
Davenport, WA
- 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, March, October, November and December (UV index 2).
Average cloud cover in September
Davenport, WA
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Davenport, 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 month with the lowest visibility is January (4mi).
Davenport, Washington, USA
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