September weather forecastSmyrna Mills, ME
September
Weather in September
September, the first month of the autumn in Smyrna Mills, is still a refreshing month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 47.1°F (8.4°C).Temperature
Smyrna Mills's September weather features a light decline in high-temperatures, reducing from a moderately hot 74.5°F (23.6°C) in August to a comfortable 66.4°F (19.1°C). During September, the temperature in Smyrna Mills is averaged to a low of 47.1°F (8.4°C) at night.Humidity
In September, the average relative humidity in Smyrna Mills is 80%.Rainfall
In Smyrna Mills, in September, it is raining for 12.6 days, with typically 2.32" (59mm) of accumulated precipitation. In Smyrna Mills, during the entire year, the rain falls for 147.4 days and collects up to 31.81" (808mm) of precipitation.Snowfall
In Smyrna Mills, snow does not fall in June through September.Daylight
The average length of the day in September in Smyrna Mills is 12h and 32min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:10 pm. On the last day of September, in Smyrna Mills, sunrise is at 6:30 am and sunset at 6:14 pm EDT.
Sunshine
In Smyrna Mills, Maine, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September in Smyrna Mills is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Smyrna Mills, ME
- Average high temperature in September: 66.4°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 (21.9°F).
- Average low temperature in September: 47.1°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in September
Smyrna Mills, ME
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Smyrna Mills, ME
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Smyrna Mills, ME
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Smyrna Mills, ME
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (2.17").
Average rainfall days in September
Smyrna Mills, ME
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Smyrna Mills, ME
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (13.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Smyrna Mills, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Smyrna Mills, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Smyrna Mills, ME
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in September
Smyrna Mills, ME
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Smyrna Mills, ME
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Smyrna Mills, ME
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
