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
September's arrival registers an average high-temperature of a refreshing 63.9°F (17.7°C), closely aligning with the temperature of the previous month. An average minimum temperature of 54.7°F (12.6°C) is recorded in Sunset during the month of September.Humidity
The average relative humidity in September is 82%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.7 days and typically collects 0.91" (23mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Sunset, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 5:58 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 6:16 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Sunset, 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 exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sunset in September?
What is the average humidity in September?
What is the driest month in Sunset?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Sunset have in September?
What time are sunrise and sunset in September in Sunset?
How many hours of sunshine does Sunset have in September?
How high is the UV index in September?
Average temperature in September
Sunset, ME
- Average high temperature in September: 63.9°F
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Sunset, 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
Sunset, ME
- Average wind speed in September: 9.2mph
The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Sunset, ME
- Average humidity in September: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Sunset, ME
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
Sunset, ME
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Sunset, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Sunset, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 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
Sunset, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Sunset, ME
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is July (15.4 days).
Average UV index in September
Sunset, 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
Sunset, ME
- Average cloud cover in September: 32
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Sunset, 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).
Sunset, Maine, USA
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