This is the average number of seconds between one wave and the next, 1-2 miles out to sea. Read more about calculating the expected height of the waves at the beach. If you are close to the water, keep an eye on the waves to stop you or your belongings being swept away. The individual waves out to sea or at the beach can be higher than this number.
This is the average height of the waves, 1-2 miles out to sea. 11 Extreme - Avoid being outside during midday hours. 8-10 Very high - Spend time in the shade between 11am and 3pm. 6-7 High - Seek shade during midday hours, cover up and wear sunscreen. 3-5 Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. No risk of UV - It’s safe to stay outside. UV exposure index and the protection required to help keep you safe: The higher the percentage of humidity, the wetter it will feel outside. If there is a lot of water vapour, the humidity will be high. Humidity is the amount of water vapor in the air. Visibility measures the distance at which an object can be clearly seen. Read more about how wind will affect you at the beach. The number is the average wind speed.īeware of offshore winds if you are using inflatables, paddle boards or kayaks. If the arrow points from land to sea, the wind will be blowing out to sea (‘offshore’). The arrow shows the direction of the wind (up is north). The number represents the average wind speed expected at that time. The letters show the direction the wind is blowing from (on a standard 16-point compass). The arrow shows the direction the wind is blowing. Strong winds are shown in bold for speeds of 29 mph or more. Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull. This gives you a better idea of how the temperature will actually feel at the time. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu.įeels like temperature considers other factors, such as wind speed and humidity. This number shows the air temperature for the time period. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail and drizzle) will fall from the sky at a certain time. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. On bright days sunglasses that block both UVA and UVB rays should be worn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Take precautions - Protection against sunburn is recommended. Note: In September, the average maximum UV index of 3 translate into the following recommendations: A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person. UV indexIn September, the average daily maximum UV index in Maple Valley is 3. SunshineIn September, the average sunshine is 9.1h. On the last day of September, in Maple Valley, sunrise is at 7:05 am and sunset at 6:50 pm PDT.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:49 pm. DaylightThe average length of the day in September is 12h and 32min. Snowfall May through October are months without snowfall.
Throughout the year, there are 182.4 rainfall days, and 36.77" (934mm) of precipitation is accumulated. Rainfall In Maple Valley, it is raining for 11.9 days, with typically 1.73" (44mm) of accumulated precipitation. HumidityIn Maple Valley, the average relative humidity in September is 75%. The average low-temperature, in September, is 47.3☏ (8.5☌). TemperatureIn September, the average high-temperature marginally drops from a warm 75.4☏ (24.1☌) in August to an agreeable 68.4☏ (20.2☌). The first month of the autumn, September, is still a pleasant month in Maple Valley, Washington, with an average temperature varying between 47.3☏ (8.5☌) and 68.4☏ (20.2☌).
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