September weather forecastNorth Berwick, ME
September
Weather in September
September, the first month of the autumn in North Berwick, is still a pleasant month, with an average temperature fluctuating between 68.7°F (20.4°C) and 54.5°F (12.5°C).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 68.7°F (20.4°C) from August's moderately hot 75.6°F (24.2°C). North Berwick records an average low-temperature of 54.5°F (12.5°C) throughout the month of September.Humidity
In North Berwick, Maine, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.2 days and typically collects 1.06" (27mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:25 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In North Berwick, Maine, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
North Berwick, ME
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
North Berwick, ME
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
North Berwick, ME
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
North Berwick, ME
- Average humidity in September: 79%
The months with the highest relative humidity are January, June and July (81%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall in September
North Berwick, ME
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
North Berwick, ME
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
North Berwick, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.44").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
North Berwick, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
North Berwick, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
North Berwick, ME
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in September
North Berwick, ME
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
North Berwick, ME
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
North Berwick, 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).





