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 Barnjum, Maine, enters September, the average high-temperature subtly lowers from the a pleasant 71.6°F (22°C) of August to a refreshing 64.6°F (18.1°C). The month of September records an average low-temperature of 45.5°F (7.5°C).Humidity
In September, the average relative humidity in Barnjum, Maine, is 81%.Rainfall
In Barnjum, in September, it is raining for 10.9 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 134.8 rainfall days, and 19.33" (491mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Barnjum. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 115.6 snowfall days, and 53.43" (1357mm) of snow is accumulated.Daylight
In Barnjum, Maine, the average length of the day in September is 12h and 31min.On the first day of September in Barnjum, Maine, sunrise is at 6:04 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:23 pm EDT.
Sunshine
In September, the average sunshine is 7.6h.UV index
In Barnjum, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 3 in September leads to these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Barnjum in September?
What is the average humidity in September in Barnjum?
How many days does it rain in September in Barnjum?
When does it start snowing in Barnjum?
What is the average length of the day in September in Barnjum?
When are sunrise and sunset in September in Barnjum?
How long on average sun shines in September in Barnjum?
What is the UV index intensity in September in Barnjum?
Average temperature in September
Barnjum, ME
- Average high temperature in September: 64.6°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (20.5°F).
- Average low temperature in September: 45.5°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Barnjum, ME
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Barnjum, ME
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Barnjum, ME
- Average humidity in September: 81%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Barnjum, ME
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
Barnjum, ME
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Barnjum, ME
- Average snowfall in September: 0.04"
The month with the highest snowfall is April (8.98").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Barnjum, ME
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is March (20.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Barnjum, 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 48min).
- Average sunshine in September: 7h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Barnjum, ME
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are February and April (8.7 days).
Average UV index in September
Barnjum, ME
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Barnjum, ME
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in September
Barnjum, ME
- Average visibility in September: 4mi
The month with the highest visibility is November (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (4mi).
Barnjum, Maine, USA
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