September weather forecastBustins Island, ME
September
Weather in September
September, the first month of the autumn in Bustins Island, is still a refreshing month, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 55°F (12.8°C).Temperature
A mild drop in Bustins Island's average high-temperature is observed in September, transitioning from an agreeable 72.3°F (22.4°C) in August to a comfortable 66.6°F (19.2°C). Bustins Island observes an average low-temperature of 55°F (12.8°C) during September nights.Humidity
In Bustins Island, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 9 days and typically collects 0.94" (24mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Bustins Island is 12h and 29min.On the first day of September, sunrise is at 6:04 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:22 pm EDT.
Sunshine
The average sunshine in September in Bustins Island is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bustins Island, ME
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 55°F
The months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Bustins Island, ME
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Bustins Island, ME
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Bustins Island, ME
- Average humidity in September: 79%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Bustins Island, ME
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is October (2.28").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in September
Bustins Island, ME
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in September
Bustins Island, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bustins Island, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bustins Island, 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 42min
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 36min).
Average sunshine days in September
Bustins Island, ME
- Average sunshine days in September: 19 days
The month with the most sunshine days is September (19 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in September
Bustins Island, 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
Bustins Island, ME
- Average cloud cover in September: 31
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Bustins Island, 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).
