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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 77°F (25°C) to a pleasant 70°F (21.1°C). During September, the nighttime temperature in Kent averages to a frosty 49.1°F (9.5°C).Humidity
The average relative humidity in September in Kent is 74%.Rainfall
In September, the rain falls for 12 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 179.7 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:49 pm PDT.
Sunshine
The average sunshine in September in Kent is 9.3h.UV index
In Kent, Washington, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are September temperatures in Kent?
What is the average humidity in September in Kent?
How many days does it rain in September in Kent?
When it does not snow in Kent?
What is the average length of the day in September in Kent?
When are sunrise and sunset in September in Kent?
How many hours of sunshine does Kent have in September?
What is the UV index intensity in September in Kent?
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
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