September weather forecastNew Portland, ME
September
Weather in September
September, the first month of the autumn in New Portland, is also an agreeable month, with an average temperature fluctuating between 48.4°F (9.1°C) and 68.7°F (20.4°C).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 75.9°F (24.4°C) to a pleasant 68.7°F (20.4°C). During September, New Portland witnesses a consistent average low-temperature of 48.4°F (9.1°C).Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.5 days and typically collects 0.43" (11mm) of precipitation.Snowfall
In New Portland, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:03 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:22 pm EDT.
Sunshine
In New Portland, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 3 in September leads to these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Portland, ME
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
New Portland, ME
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
New Portland, ME
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
New Portland, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in September
New Portland, ME
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is October (1.1").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
New Portland, ME
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
New Portland, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New Portland, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Portland, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
New Portland, ME
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
New Portland, ME
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
New Portland, ME
- Average cloud cover in September: 37
The months with the most cloud cover are February and April (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
New Portland, ME
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is August (4mi).
