September weather forecastBrookton, ME
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Brookton, Maine, with an average temperature fluctuating between 47.5°F (8.6°C) and 67.5°F (19.7°C).Temperature
September is characterized by a slight reduction in average high-temperature, easing from a warm 75.7°F (24.3°C) in August to a refreshing 67.5°F (19.7°C). During the month of September, the temperature generally drops to a low average of 47.5°F (8.6°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Brookton, in September, it is raining for 12.8 days, with typically 2.48" (63mm) of accumulated precipitation. In Brookton, during the entire year, the rain falls for 140.8 days and collects up to 31.85" (809mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 5:53 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 6:12 pm EDT.
Sunshine
The average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the UV index of 3 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brookton, ME
- Average high temperature in September: 67.5°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 (24.1°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in September
Brookton, ME
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Brookton, ME
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Brookton, ME
- Average humidity in September: 80%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May and July (77%).
Average rainfall in September
Brookton, ME
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is March (2.01").
Average rainfall days in September
Brookton, ME
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Brookton, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brookton, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brookton, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Brookton, ME
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in September
Brookton, ME
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Brookton, ME
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are August and September (Cloud cover 45).
Average visibility in September
Brookton, ME
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).





