September weather forecast
Auburn, ME

Share

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

September implies a soft temperature shift, with average high-temperatures reducing from August's warm 76.8°F (24.9°C) to an agreeable 70°F (21.1°C). An average low-temperature of 50.2°F (10.1°C) marks the month of September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 7.4 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

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

Daylight

In Auburn, 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 Auburn, Maine, the average sunshine in September is 8.5h.

UV index

In Auburn, 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 radiation for the average person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What are the temperatures in September?

In September, the average high-temperature and low-temperature are 70°F (21.1°C) and 50.2°F (10.1°C) respectively.

What is the average humidity in September?

In September, the average relative humidity is 79%.

What is the driest month?

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

How much does it rain in September?

In Auburn, Maine, during September, the rain falls for 7.4 days and regularly aggregates up to 0.67" (17mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in Auburn in September?

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

What is the average length of the day in September in Auburn?

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

When are sunrise and sunset in September?

In September, on the first day of the month, 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 many hours of sunshine does Auburn have in September?

In Auburn, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September?

In Auburn, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Auburn, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location