Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 75.6°F (24.2°C) in August to an agreeable 68°F (20°C). September nights in Hanover are marked by an average temperature drop to a chilly 47.3°F (8.5°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Hanover, in September, during 11 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Hanover, there are 146.3 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:06 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:24 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Hanover, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the usual temperature for Hanover in September?
What is the average humidity in September in Hanover?
How much does it rain in Hanover in September?
When it does not snow in Hanover?
Does it snow in Hanover in September?
What is the average length of the day in September in Hanover?
When is the sunrise / sunset in September in Hanover?
How long on average sun shines in September in Hanover?
How high is the UV index in September in Hanover?
Average temperature in September
Hanover, ME
- Average high temperature in September: 68°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in September
Hanover, ME
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Hanover, ME
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Hanover, ME
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and March (86%).
The months with the lowest relative humidity are May and November (76%).
Average rainfall in September
Hanover, ME
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in September
Hanover, ME
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Hanover, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hanover, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hanover, ME
- Average daylight in September: 12h and 3min
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 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Hanover, ME
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).
Average UV index in September
Hanover, ME
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Hanover, ME
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Hanover, ME
- Average visibility in September: 4mi
The months with the highest visibility are May, June, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, July, August and September (4mi).
Hanover, Maine, USA
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