September weather forecastDennysville, ME
September
Weather in September
September, the first month of the autumn in Dennysville, is still a comfortable month, with an average temperature ranging between min 54.5°F (12.5°C) and max 63.5°F (17.5°C).Temperature
Dennysville's shift from August to September is accompanied by an average high-temperature of a still enjoyable 63.5°F (17.5°C), a slight deviation from 67.8°F (19.9°C). Dennysville, in the month of September, notes an average low temperature of 54.5°F (12.5°C), indicating a small decrease from the daytime highs.Humidity
In Dennysville, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 11 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 143.2 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:26 am and sunset at 6:10 pm EDT.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dennysville, ME
- Average high temperature in September: 63.5°F
The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Dennysville, 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 (29.91"Hg).
Average wind speed in September
Dennysville, ME
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in September
Dennysville, ME
- Average humidity in September: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Dennysville, ME
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is August (1.65").
Average rainfall days in September
Dennysville, ME
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Dennysville, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dennysville, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 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
Dennysville, 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 48min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Dennysville, ME
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Dennysville, ME
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Dennysville, ME
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Dennysville, 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).
