September weather forecastWilly Dick Crossing, WA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Willy Dick Crossing, Washington, with an average temperature varying between 72°F (22.2°C) and 50°F (10°C).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a warm 83.1°F (28.4°C) in August to a pleasant 72°F (22.2°C). Willy Dick Crossing encounters a substantial decline from its daily high to a low-temperature of 50°F (10°C) during September nights.Humidity
The average relative humidity in September in Willy Dick Crossing is 53%.Rainfall
In Willy Dick Crossing, during September, the rain falls for 6.5 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 112.8 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 19.9 snowfall days, and 12.36" (314mm) of snow is accumulated.Daylight
The average length of the day in September in Willy Dick Crossing, Washington, is 12h and 32min.On the first day of September in Willy Dick Crossing, Washington, sunrise is at 6:25 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:44 pm PDT.
Sunshine
In September, the average sunshine in Willy Dick Crossing is 10.9h.UV index
In Willy Dick Crossing, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Willy Dick Crossing, WA
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in September
Willy Dick Crossing, WA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in September
Willy Dick Crossing, WA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in September
Willy Dick Crossing, WA
- Average humidity in September: 53%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (43%).
Average rainfall in September
Willy Dick Crossing, WA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is January (1.61").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Willy Dick Crossing, WA
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in September
Willy Dick Crossing, WA
- Average snowfall in September: 0.16"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in September
Willy Dick Crossing, WA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Willy Dick Crossing, WA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Willy Dick Crossing, WA
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in September
Willy Dick Crossing, WA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Willy Dick Crossing, WA
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Willy Dick Crossing, WA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
