September weather forecastSpruce Head, ME
September
Weather in September
September, the first month of the autumn in Spruce Head, is still a refreshing month, with an average temperature ranging between min 55.6°F (13.1°C) and max 63.3°F (17.4°C).Temperature
Spruce Head in September undergoes a slight reduction in the average high-temperature, shifting from August's pleasant 68.7°F (20.4°C) to a refreshing 63.3°F (17.4°C). Throughout September, a modest shift from daytime highs is anticipated in Spruce Head, with an average low-temperature of 55.6°F (13.1°C).Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 10.4 days and accumulates 1.81" (46mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Spruce Head, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:33 am and sunset at 6:18 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Spruce Head, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Spruce Head, ME
- Average high temperature in September: 63.3°F
The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is August (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Spruce Head, ME
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Spruce Head, ME
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).
Average humidity in September
Spruce Head, ME
- Average humidity in September: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Spruce Head, ME
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Spruce Head, ME
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Spruce Head, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Spruce Head, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Spruce Head, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Spruce Head, ME
- Average sunshine days in September: 18 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in September
Spruce Head, ME
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Spruce Head, ME
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Spruce Head, ME
- 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).
