September weather forecast
Auburn, ME

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Weather in September

September initiates the transition of Auburn from the balmy days of summer to the cooler autumn period. Notably, this month experiences its lowest average rainfall of 0.67" (17mm) for the year. This dip in rainfall complements the decrease in maximum average temperatures, creating an optimal outdoor environment. As the leaf colors start to transition, the softer sunlight and comfortable weather often makes for ideal photography conditions.

Temperature

The commencement of September in Auburn includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 76.8°F (24.9°C) in August to an agreeable 70°F (21.1°C). Auburn, during September, witnesses an average low-temperature of 50.2°F (10.1°C).

Humidity

In Auburn, Maine, the average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 7.4 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

In Auburn, Maine, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:04 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:23 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

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 exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the usual temperature for Auburn in September?

Auburn in September has an average high-temperature of 70°F (21.1°C) and an average low-temperature of 50.2°F (10.1°C).

What is the average humidity in September in Auburn?

The average relative humidity in September in Auburn, Maine, is 79%.

What is the driest month in Auburn?

The month with the least rainfall in Auburn, Maine, is September, when the rain falls for 7.4 days and typically collects 0.67" (17mm) of precipitation.

How much does it rain in Auburn in September?

In Auburn, in September, during 7.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When it does not snow in Auburn?

June through September are months without snowfall in Auburn, Maine.

Does it snow in Auburn in September?

In Auburn, Maine, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Auburn have in September?

The average day length in September in Auburn, Maine, is 12h and 30min.

When is the sunrise / sunset in September in Auburn?

On the first day of September in Auburn, Maine, sunrise is at 6:04 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:23 pm EDT.

How long on average sun shines in September in Auburn?

The average sunshine duration in September is 8.5h.

What is the UV index reading in September in Auburn?

In Auburn, Maine, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Auburn, ME

Average temperature in September - Auburn, ME
  • Average high temperature in September: 70°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in September
Auburn, ME

Average pressure in September - Auburn, 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 (29.91"Hg).

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Average wind speed in September
Auburn, ME

Average wind speed in September - Auburn, ME
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in September
Auburn, ME

Average humidity in September - Auburn, ME
  • Average humidity in September: 79%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in September
Auburn, ME

Average rainfall in September - Auburn, ME
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is October (1.69").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in September
Auburn, ME

Average rainfall days in September - Auburn, ME
  • Average rainfall days in September: 7.4 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (4 days).

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Average snowfall in September
Auburn, ME

Average snowfall in September - Auburn, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Auburn, ME

Average snowfall days in September - Auburn, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Auburn, ME

Average daylight in September / Average sunshine in September - Auburn, 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: 8h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Auburn, ME

Average sunshine days in September - Auburn, ME
  • Average sunshine days in September: 20 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (16.2 days).

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Average UV index in September
Auburn, ME

Average UV index in September - Auburn, ME
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in September
Auburn, ME

Average cloud cover in September - Auburn, ME
  • Average cloud cover in September: 36

The month with the most cloud cover is March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 36).

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Average visibility in September
Auburn, ME

Average visibility in September - Auburn, ME
  • Average visibility in September: 5mi

The months with the highest visibility are January, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and October (5mi).

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Auburn, Maine, USA

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