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
In September, the average high-temperature marginally decreases from an agreeable 68.5°F (20.3°C) in August to a comfortable 62.2°F (16.8°C). Quinault records a consistent low-temperature of 44.8°F (7.1°C) during September nights.Humidity
In Quinault, the average relative humidity in September is 80%.Rainfall
In Quinault, during September, the rain falls for 13.1 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 153 rainfall days, and 43.74" (1111mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Quinault, during the entire year, snow falls for 99.3 days and aggregates up to 150.98" (3835mm) of snow.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 6:35 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:55 pm PDT.
Sunshine
In Quinault, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Quinault?
How long on average sun shines in September?
What is the UV index reading in September in Quinault?
Average temperature in September
Quinault, WA
- Average high temperature in September: 62.2°F
The warmest month (with the highest average high temperature) is August (68.5°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in September: 44.8°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is February (29.7°F).
Average pressure in September
Quinault, WA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in September
Quinault, WA
- Average wind speed in September: 3.2mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3mph).
Average humidity in September
Quinault, WA
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Quinault, WA
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is January (8.66").
The driest month (with the least rainfall) is July (0.79").
Average rainfall days in September
Quinault, WA
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is October (16.4 days).
The month with the least rainy days is August (7 days).
Average snowfall in September
Quinault, WA
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (43.43").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Quinault, WA
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is March (19 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Quinault, 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: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Quinault, WA
- Average sunshine days in September: 14 days
The month with the most sunshine days is August (21 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in September
Quinault, WA
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Quinault, WA
- Average cloud cover in September: 40
The months with the most cloud cover are January, February and March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Quinault, WA
- Average visibility in September: 4mi
The months with the highest visibility are May, June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, September, October, November and December (4mi).
Quinault, Washington, USA
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