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 start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 77°F (25°C) in August to a pleasant 70°F (21.1°C). An average low-temperature of 49.1°F (9.5°C) is recorded in the month of September.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 12 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. In Kent, during the entire year, the rain falls for 179.7 days and collects up to 30.75" (781mm) of precipitation.Snowfall
In Kent, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 6:29 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:49 pm PDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in September translates into these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kent in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Kent have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Kent have in September?
How high is the UV index in September?
Average temperature in September
Kent, WA
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.4°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in September
Kent, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in September
Kent, WA
- Average wind speed in September: 3.7mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in September
Kent, WA
- Average humidity in September: 74%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in September
Kent, WA
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is December (4.76").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in September
Kent, WA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in September
Kent, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Kent, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Kent, 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: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Kent, WA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Kent, WA
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Kent, WA
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Kent, WA
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
Kent, Washington, USA
Weather forecast for your location
2. Allow the app to use your location