Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 75.4°F (24.1°C) in August to a pleasant 68.2°F (20.1°C). Ellsworth's temperature drops to an average low of 51.6°F (10.9°C) during the nights of September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Ellsworth, during September, the rain falls for 10.3 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 137 rainfall days, and 24.96" (634mm) of precipitation is accumulated.Snowfall
June 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 5:57 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:31 am and sunset at 6:15 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Ellsworth, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Ellsworth have in September?
How high is the UV index in September?
Average temperature in September
Ellsworth, ME
- Average high temperature in September: 68.2°F
The warmest months (with the highest average high temperature) are July and August (75.4°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 51.6°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 (16.9°F).
Average pressure in September
Ellsworth, 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
Ellsworth, ME
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are January and March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Ellsworth, ME
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Ellsworth, ME
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is July (1.3").
Average rainfall days in September
Ellsworth, ME
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is April (15.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Ellsworth, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ellsworth, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ellsworth, ME
- Average daylight in September: 12h and 3min
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 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Ellsworth, ME
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (11.9 days).
Average UV index in September
Ellsworth, 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
Ellsworth, ME
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in September
Ellsworth, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Ellsworth, Maine, USA
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