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
The arrival of September signals a subtle shift in temperature, down from a warm 75.2°F (24°C) in August to an agreeable 68.9°F (20.5°C). In the month of September, Bar Mills witnesses a consistent average low-temperature of 53.4°F (11.9°C).Humidity
The average relative humidity in September in Bar Mills is 79%.Rainfall
September is the month with the least rainfall in Bar Mills. Rain falls for 10.8 days and accumulates 1.46" (37mm) of precipitation.Snowfall
In Bar Mills, Maine, snow does not fall in June through September.Daylight
The average length of the day in September in Bar Mills is 12h and 29min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:17 pm. On the last day of September, in Bar Mills, Maine, sunrise is at 6:39 am and sunset at 6:24 pm EDT.
Sunshine
The average sunshine in September in Bar Mills is 8.6h.UV index
In Bar Mills, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the temperature in September in Bar Mills?
What is the average humidity in September in Bar Mills?
What is the driest month in Bar Mills?
How many days does it rain in September in Bar Mills?
When it does not snow in Bar Mills?
Does it snow in Bar Mills in September?
What is the average length of the day in September in Bar Mills?
What time are sunrise and sunset in September in Bar Mills?
How long on average sun shines in September in Bar Mills?
What is the UV index reading in September in Bar Mills?
Average temperature in September
Bar Mills, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Bar Mills, ME
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Bar Mills, ME
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Bar Mills, ME
- Average humidity in September: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Bar Mills, ME
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Bar Mills, ME
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Bar Mills, ME
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bar Mills, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bar Mills, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Bar Mills, ME
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Bar Mills, 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
Bar Mills, ME
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Bar Mills, 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).
Bar Mills, Maine, USA
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