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
In September, the average high-temperature marginally drops from a moderately hot 76.6°F (24.8°C) in August to an agreeable 68.9°F (20.5°C). Northern Maine Junction cools down to an average low-temperature of 50°F (10°C) throughout the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In Northern Maine Junction, during September, the rain falls for 8.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Northern Maine Junction, during the entire year, the rain falls for 125.4 days and collects up to 13.78" (350mm) of precipitation.Snowfall
In Northern Maine Junction, Maine, snow does not fall in June through September.Daylight
The average length of the day in September in Northern Maine Junction is 12h and 31min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:33 am and sunset at 6:17 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Northern Maine Junction, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Northern Maine Junction in September?
What is the average humidity in September?
How many days 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?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Northern Maine Junction, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in September
Northern Maine Junction, 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
Northern Maine Junction, ME
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Northern Maine Junction, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Northern Maine Junction, ME
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is July (0.79").
Average rainfall days in September
Northern Maine Junction, ME
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Northern Maine Junction, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Northern Maine Junction, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Northern Maine Junction, 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: 4h and 0min).
Average sunshine days in September
Northern Maine Junction, ME
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
Northern Maine Junction, 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
Northern Maine Junction, ME
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Northern Maine Junction, ME
- Average visibility in September: 5mi
The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).
Northern Maine Junction, Maine, USA
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