September weather forecastDeadwater, ME
September
Weather in September
September, the first month of the autumn in Deadwater, is still a comfortable month, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 66.2°F (19°C).Temperature
In Deadwater, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 73.4°F (23°C) to a comfortable 66.2°F (19°C). Deadwater, during September, witnesses an average low-temperature of 46.4°F (8°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Deadwater, during September, the rain falls for 11.7 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Deadwater, there are 168.2 rainfall days, and 31.57" (802mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Deadwater.Daylight
In Deadwater, the average length of the day in September is 12h and 31min.On the first day of September in Deadwater, Maine, sunrise is at 6:01 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:20 pm EDT.
Sunshine
In Deadwater, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Deadwater is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Deadwater, ME
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in September: 46.4°F
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Deadwater, ME
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Deadwater, ME
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Deadwater, ME
- Average humidity in September: 80%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Deadwater, ME
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is October (3.5").
The driest month (with the least rainfall) is July (2.13").
Average rainfall days in September
Deadwater, ME
- Average rainfall days in September: 11.7 days
The months with the highest number of rainy days are June and July (17.5 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Deadwater, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (14.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Deadwater, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Deadwater, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Deadwater, ME
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Deadwater, ME
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Deadwater, ME
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Deadwater, ME
- Average visibility in September: 4mi
The months with the highest visibility are May, June, July, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, August and September (4mi).
