September weather forecast
Presque Isle, ME

Weather in September

September, the first month of the autumn in Presque Isle, is also an enjoyable month, with an average temperature fluctuating between 65.3°F (18.5°C) and 46°F (7.8°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 73.9°F (23.3°C) in August to an enjoyable 65.3°F (18.5°C). In Presque Isle, in September, the average low-temperature is 46°F (7.8°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Presque Isle, in September, it is raining for 13.7 days, with typically 2.32" (59mm) of accumulated precipitation. In Presque Isle, during the entire year, the rain falls for 144.3 days and collects up to 32.13" (816mm) of precipitation.

Snowfall

June through September are months without snowfall in Presque Isle.

Daylight

In Presque Isle, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:29 am and sunset at 6:14 pm EDT.

Sunshine

The average sunshine in September in Presque Isle is 7.3h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Presque Isle?

In September, the average relative humidity is 80%.

How many days does it rain in September in Presque Isle?

In Presque Isle, in September, during 13.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Presque Isle?

June through September are months without snowfall in Presque Isle.

Does it snow in Presque Isle in September?

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

What is the average length of the day in September in Presque Isle?

In September, the average day length in Presque Isle, Maine, is 12h and 32min.

What time are sunrise and sunset in September in Presque Isle?

In September, on the first day of the month, sunrise is at 5:52 am and sunset at 7:11 pm. On the last day of the month, in Presque Isle, Maine, sunrise is at 6:29 am and sunset at 6:14 pm EDT.

How many hours of sunshine does Presque Isle have in September?

In Presque Isle, the average sunshine duration in September is 7.3h.

What is the UV index intensity in September in Presque Isle?

In September, the average daily maximum UV index in Presque Isle, Maine, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Presque Isle, ME

Average temperature in September - Presque Isle, ME
  • Average high temperature in September: 65.3°F

The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in September: 46°F

The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in September
Presque Isle, ME

Average pressure in September - Presque Isle, ME
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is September (30.02"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Presque Isle, ME

Average wind speed in September - Presque Isle, ME
  • Average wind speed in September: 6.9mph

The windiest months (with the highest average wind speed) are January, February and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in September
Presque Isle, ME

Average humidity in September - Presque Isle, ME
  • Average humidity in September: 80%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in September
Presque Isle, ME

Average rainfall in September - Presque Isle, ME
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is February (2.2").

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Average rainfall days in September
Presque Isle, ME

Average rainfall days in September - Presque Isle, ME
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in September
Presque Isle, ME

Average snowfall in September - Presque Isle, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Presque Isle, ME

Average snowfall days in September - Presque Isle, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (20.7 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
Presque Isle, ME

Average daylight in September / Average sunshine in September - Presque Isle, ME
  • Average daylight in September: 12h and 32min

The month with the longest days is June (Average daylight: 15h and 47min).
The month with the shortest days is December (Average daylight: 8h and 38min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).

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Average sunshine days in September
Presque Isle, ME

Average sunshine days in September - Presque Isle, ME
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).

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Average UV index in September
Presque Isle, ME

Average UV index in September - Presque Isle, ME
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in September
Presque Isle, ME

Average cloud cover in September - Presque Isle, ME
  • Average cloud cover in September: 45

The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 43).

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Average visibility in September
Presque Isle, ME

Average visibility in September - Presque Isle, ME
  • Average visibility in September: 5mi

The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

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