![]() ![]() A long wave period (more than 10 seconds) means the waves at the beach may be more powerful. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.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. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Take precautions - Protection against skin and eye damage is obliged. Note: The daily maximum UV index of 4 in September interpret into the following advice: A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals. UV indexIn September, the average daily maximum UV index is 4. SunshineThe average sunshine in September is 8.2h. On the last day of the month, sunrise is at 6:29 am and sunset at 6:16 pm EDT. On the first day of September in Bar Harbor, sunrise is at 5:55 am and sunset at 7:10 pm. Daylight In September, the average length of the day is 12h and 30min. Even a few minutes in 55.4☏ (13☌) water is uncomfortable, and swimming below 50☏ (10☌) may cause total loss of breathing control and cold shock, depending on a person's physique. Note: Swimming in 55.9☏ (13.3☌) is considered life-threatening. Ocean temperatureIn September, the average ocean temperature in Bar Harbor, Maine, is 55.9☏ (13.3☌). Snowfall June through September are months without snowfall in Bar Harbor. Throughout the year, in Bar Harbor, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated. Rainfall In Bar Harbor, it is raining for 10.5 days, with typically 1.81" (46mm) of accumulated precipitation. HumidityIn Bar Harbor, the average relative humidity in September is 79%. ![]() The average low-temperature, in Bar Harbor, is 52.7☏ (11.5☌). TemperatureIn September, the average high-temperature slightly decreases from a warm 73.4☏ (23☌) in August to a comfortable 67.1☏ (19.5☌). September, the first month of the autumn in Bar Harbor, is also an enjoyable month, with temperature in the range of an average high of 67.1☏ (19.5☌) and an average low of 52.7☏ (11.5☌). ![]()
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