September weather forecastHowes Corner, ME
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Howes Corner, Maine, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 50.2°F (10.1°C).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 76.6°F (24.8°C) in August to a pleasant 69.8°F (21°C). An average low-temperature of 50.2°F (10.1°C) is noted in Howes Corner during the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 9 days and accumulates 0.91" (23mm) of precipitation.Snowfall
In Howes Corner, Maine, snow does not fall in June through September.Daylight
In Howes Corner, the average length of the day in September is 12h and 30min.On the first day of September in Howes Corner, Maine, sunrise is at 6:04 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:22 pm EDT.
Sunshine
The average sunshine in September in Howes Corner is 8.5h.UV index
In Howes Corner, Maine, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Howes Corner, ME
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in September
Howes Corner, 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
Howes Corner, ME
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Howes Corner, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Howes Corner, ME
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
Howes Corner, ME
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Howes Corner, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Howes Corner, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Howes 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Howes Corner, ME
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Howes 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, October, November and December (UV index 2).
Average cloud cover in September
Howes Corner, ME
- Average cloud cover in September: 35
The months with the most cloud cover are March and April (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in September
Howes Corner, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and October (5mi).





