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
With the onset of September, South Dover's average high-temperature slightly adjusts, moderately receding from August's moderately hot 75.9°F (24.4°C) to an agreeable 68°F (20°C). During September, the average low-temperature is a chilly 48.6°F (9.2°C).Humidity
In South Dover, the average relative humidity in September is 79%.Rainfall
In South Dover, in September, during 12.2 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In South Dover, during the entire year, the rain falls for 154.3 days and collects up to 32.68" (830mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In South Dover, the average length of the day in September is 12h and 31min.On the first day of September in South Dover, Maine, sunrise is at 5:59 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 6:18 pm EDT.
Sunshine
In September, the average sunshine in South Dover is 8.1h.UV index
The average daily maximum UV index in September in South Dover is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in South Dover in September?
What is the average humidity in September in South Dover?
How many days does it rain in September in South Dover?
When it does not snow in South Dover?
Does it snow in South Dover in September?
How many hours of daylight does South Dover have in September?
When are sunrise and sunset in September in South Dover?
How many hours of sunshine does South Dover have in September?
How high is the UV index in September in South Dover?
Average temperature in September
South Dover, ME
- Average high temperature in September: 68°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 (23.9°F).
- Average low temperature in September: 48.6°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
South Dover, ME
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
South Dover, ME
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
South Dover, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
South Dover, ME
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is July (1.89").
Average rainfall days in September
South Dover, ME
- Average rainfall days in September: 12.2 days
The months with the highest number of rainy days are May and July (16.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
South Dover, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Dover, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Dover, ME
- Average daylight in September: 12h and 3min
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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
South Dover, ME
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in September
South Dover, ME
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
South Dover, ME
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in September
South Dover, ME
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
South Dover, Maine, USA
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