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 sea temperature 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
September signals a slight drop in average high-temperature, sliding from August's warm 73.8°F (23.2°C) to a refreshing 67.8°F (19.9°C). Kingston in September anticipates an average nighttime temperature of 52.5°F (11.4°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In Kingston, in September, during 6.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, in Kingston, there are 106.5 rainfall days, and 9.09" (231mm) of precipitation is accumulated.Snowfall
In Kingston, snow does not fall in April through October.Ocean temperature
In September, the average ocean temperature is 53.2°F (11.8°C).Note: Staying in 53.2°F (11.8°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:49 pm. On the last day of September, in Kingston, Washington, sunrise is at 7:08 am and sunset at 6:50 pm PDT.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Kingston is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 in September translates into these instructions:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Kingston?
What is the average humidity in September in Kingston?
How many days does it rain in September in Kingston?
When it does not snow in Kingston?
What is the water temperature in September in Kingston?
How many hours of daylight does Kingston have in September?
What time are sunrise and sunset in September in Kingston?
How long on average sun shines in September in Kingston?
What is the UV index intensity in September in Kingston?
Average temperature in September
Kingston, WA
- Average high temperature in September: 67.8°F
The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).
Average pressure in September
Kingston, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in September
Kingston, WA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are March and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Kingston, WA
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Kingston, WA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is January (1.57").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Kingston, WA
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in September
Kingston, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Kingston, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Kingston, WA
- Average sea temperature in September: 53.3°F
The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in September /
Average sunshine in September
Kingston, 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 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Kingston, WA
- Average sunshine days in September: 21 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is November (15.5 days).
Average UV index in September
Kingston, WA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kingston, WA
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Kingston, WA
- 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).
Kingston, Washington, USA
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