September weather forecastCape Neddick, ME
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Cape Neddick, Maine, with an average temperature ranging between min 54.5°F (12.5°C) and max 68.7°F (20.4°C).Temperature
Cape Neddick's weather subtly changes with the onset of September, barely falling from a warm 75.6°F (24.2°C) in August to an agreeable 68.7°F (20.4°C). An average minimum temperature of 54.5°F (12.5°C) marks the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 10.2 days and accumulates 1.06" (27mm) of precipitation.Snowfall
In Cape Neddick, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:07 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:24 pm EDT.
Sunshine
In Cape Neddick, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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 6min).
- 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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
Cape Neddick, 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).





