September weather forecast
South Brewer, ME

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Weather in September

The first month of the autumn, September, is still a pleasant month in South Brewer, Maine, with an average temperature fluctuating between 68.9°F (20.5°C) and 50°F (10°C).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 76.6°F (24.8°C) in August to a pleasant 68.9°F (20.5°C). South Brewer reports an average low-temperature of 50°F (10°C) during the nights of September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In South Brewer, in September, during 10.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 148.5 rainfall days, and 29.8" (757mm) of precipitation is accumulated.

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 the month, sunrise is at 5:58 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:32 am and sunset at 6:17 pm EDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In South Brewer, 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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What are September temperatures?

The average high-temperature, in September, in South Brewer, is 68.9°F (20.5°C), while the average low-temperature is 50°F (10°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

How much does it rain in September?

In South Brewer, Maine, in September, it is raining for 10.5 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in South Brewer?

June through September are months without snowfall.

Does it snow in September?

In South Brewer, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In South Brewer, the average day length in September is 12h and 31min.

What time are sunrise and sunset in September?

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 6:17 pm EDT.

How long on average sun shines in September?

In South Brewer, the average sunshine duration in September is 8.2h.

What is the UV index reading in September in South Brewer?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
South Brewer, ME

Average temperature in September - South 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
South Brewer, ME

Average pressure in September - South 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
South Brewer, ME

Average wind speed in September - South 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
South Brewer, ME

Average humidity in September - South 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
South Brewer, ME

Average rainfall in September - South 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
South Brewer, ME

Average rainfall days in September - South 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
South Brewer, ME

Average snowfall in September - South 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
South Brewer, ME

Average snowfall days in September - South 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
South Brewer, ME

Average daylight in September / Average sunshine in September - South Brewer, 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
South Brewer, ME

Average sunshine days in September - South 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
South Brewer, ME

Average UV index in September - South 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
South Brewer, ME

Average cloud cover in September - South 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
South Brewer, ME

Average visibility in September - South 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).

South Brewer, Maine, USA

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