September weather forecastMackamp, ME
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Mackamp, Maine, with an average temperature ranging between min 45.7°F (7.6°C) and max 64.9°F (18.3°C).Temperature
With the onset of September, Mackamp's climate undergoes a slight change as the average high-temperature moves from a pleasant 73°F (22.8°C) in August to an enjoyable 64.9°F (18.3°C). Throughout September, an average low-temperature of 45.7°F (7.6°C) is experienced.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Mackamp, there are 136.8 rainfall days, and 18.23" (463mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Mackamp, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:17 pm. On the last day of September, in Mackamp, sunrise is at 6:37 am and sunset at 6:21 pm EDT.
Sunshine
In Mackamp, the average sunshine in September is 7.7h.UV index
In Mackamp, Maine, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mackamp, ME
- Average high temperature in September: 64.9°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in September: 45.7°F
The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Mackamp, ME
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Mackamp, ME
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Mackamp, ME
- Average humidity in September: 80%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Mackamp, ME
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is June (2.2").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in September
Mackamp, ME
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Mackamp, ME
- Average snowfall in September: 0"
The month with the highest snowfall is March (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mackamp, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mackamp, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Mackamp, ME
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Mackamp, ME
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Mackamp, ME
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in September
Mackamp, ME
- Average visibility in September: 4mi
The months with the highest visibility are May, June, July, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, August and September (4mi).





