September weather forecastHildreths Mill, ME
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Hildreths Mill, Maine, with an average temperature fluctuating between 68.4°F (20.2°C) and 48.2°F (9°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 75.7°F (24.3°C) to a pleasant 68.4°F (20.2°C). September brings an average low-temperature of 48.2°F (9°C) to Hildreths Mill.Humidity
In Hildreths Mill, the average relative humidity in September is 79%.Rainfall
In Hildreths Mill, in September, during 10.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 152.2 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
In Hildreths Mill, snow does not fall in June through September.Daylight
In Hildreths Mill, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:23 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Hildreths Mill, 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 unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hildreths Mill, ME
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 48.2°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 (10.6°F).
Average pressure in September
Hildreths Mill, 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
Hildreths Mill, ME
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Hildreths Mill, ME
- Average humidity in September: 79%
The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Hildreths Mill, ME
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is July (1.69").
Average rainfall days in September
Hildreths Mill, ME
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in September
Hildreths Mill, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hildreths Mill, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hildreths Mill, 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Hildreths Mill, ME
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in September
Hildreths Mill, ME
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Hildreths Mill, ME
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and April (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Hildreths Mill, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
The month with the lowest visibility is August (4mi).





