September weather forecastBrewer, ME
September
Weather in September
The onset of September in Brewer signals the transition from summer to fall, marked by cooler temperatures and shorter daylight hours. The predictably drastic weather changes are less prominent this month, providing an extension of summer's milder days. There is a marked drop in the average temperature, from 76.6°F (24.8°C) in August to 68.9°F (20.5°C). The change witnesses the city gently preparing for the ensuing winter months. Activities related to fall, such as apple picking and autumn festivals, make their appearance in the typical Brewer calendar this month.Temperature
Brewer's weather subtly changes with the onset of September, barely falling from a moderately hot 76.6°F (24.8°C) in August to an agreeable 68.9°F (20.5°C). Throughout September, the temperature tends to fall to a consistent average low of 50°F (10°C).Humidity
In Brewer, the average relative humidity in September is 79%.Rainfall
In Brewer, in September, during 10.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Brewer, during the entire year, the rain falls for 148.5 days and collects up to 29.8" (757mm) 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 5:58 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 6:16 pm EDT.
Sunshine
In Brewer, the average sunshine in September is 8.2h.UV index
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: A typical high UV index of 4 in September suggests the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brewer, 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 (26.6°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in September
Brewer, 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
Brewer, 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
Brewer, 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
Brewer, ME
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in September
Brewer, ME
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Brewer, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brewer, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brewer, ME
- Average daylight in September: 12h and 30min
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 12min
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
Brewer, ME
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in September
Brewer, 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
Brewer, ME
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Brewer, 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).
