September weather forecastAthearns Corner, ME
September
Weather in September
September, the first month of the autumn in Athearns Corner, is still a comfortable month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 54°F (12.2°C).Temperature
Athearns Corner experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from an agreeable 70.7°F (21.5°C) in August to a comfortable 64.9°F (18.3°C). In September, the nighttime temperature lowers to an average of 54°F (12.2°C).Humidity
In September, the average relative humidity in Athearns Corner is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 8.3 days and accumulates 0.75" (19mm) of precipitation.Snowfall
In Athearns Corner, snow does not fall in May through October.Daylight
In Athearns Corner, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:00 am and sunset at 7:12 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 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 health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Athearns Corner, ME
- Average high temperature in September: 64.9°F
The warmest month (with the highest average high temperature) is August (70.7°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in September: 54°F
The months with the highest average low temperature are July and August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Athearns Corner, 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 (29.91"Hg).
Average wind speed in September
Athearns Corner, ME
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Athearns Corner, ME
- Average humidity in September: 81%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Athearns Corner, ME
- Average rainfall in September: 0.75"
The wettest months (with the highest rainfall) are April, November and December (1.42").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in September
Athearns Corner, ME
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is April (13.2 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in September
Athearns Corner, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Athearns Corner, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Athearns Corner, ME
- Average daylight in September: 12h and 30min
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 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Athearns Corner, ME
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in September
Athearns Corner, 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, November and December (UV index 2).
Average cloud cover in September
Athearns Corner, ME
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Athearns Corner, 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).
