September weather forecast and climate
Millinocket, ME

Weather in September

The first month of the autumn, September, is still a comfortable month in Millinocket, Maine, with average temperature fluctuating between 47.8°F (8.8°C) and 67.3°F (19.6°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 75.4°F (24.1°C) in August, to a comfortable 67.3°F (19.6°C). In Millinocket, the average low-temperature is 47.8°F (8.8°C).

Humidity

In Millinocket, Maine, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 12 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Millinocket, during the entire year, the rain falls for 156.1 days and collects up to 26.89" (683mm) of precipitation.

Snowfall

June through September are months without snowfall in Millinocket.

Daylight

In September, the average length of the day is 12.5h.

Sunshine

In September, the average sunshine in Millinocket is 7.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Millinocket?

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

How many days does it rain in September in Millinocket?

In Millinocket, during September, the rain falls for 12 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Millinocket?

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

Does it snow in Millinocket in September?

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

How many hours of daylight does Millinocket have in September?

In Millinocket, the average length of the day in September is 12.5h.

How many hours of sunshine does Millinocket have in September?

In Millinocket, Maine, the average sunshine in September is 7.8h.

What is the UV index intensity in September in Millinocket?

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

Average temperature in September
Millinocket, ME

Average temperature in September - Millinocket, ME
  • Average high temperature in September: 67.3°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in September: 47.8°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

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Average pressure in September
Millinocket, ME

Average pressure in September - Millinocket, ME
  • Average pressure in September: 30.03"

Months with the highest atmospheric pressure are September and November (30.03").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in September
Millinocket, ME

Average wind speed in September - Millinocket, ME
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in September
Millinocket, ME

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

Months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in September
Millinocket, ME

Average rainfall in September - Millinocket, ME
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is April (2.83").
The driest months (with the least rainfall) are March and July (1.73").

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Average rainfall days in September
Millinocket, ME

Average rainfall days in September - Millinocket, ME
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in September
Millinocket, ME

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

The month with the highest snowfall is February (10.24").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Millinocket, ME

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

The month with the highest number of snowfall days is February (16.8 days).
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
Millinocket, ME

Average daylight in September / Average sunshine in September - Millinocket, ME
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 7.8h

The month with the most sunshine is August (Average sunshine: 9.8h).
The month with the least sunshine is February (Average sunshine: 3.3h).

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Average sunshine days in September
Millinocket, ME

Average sunshine days in September - Millinocket, ME
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (9.3 days).

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Average UV index in September
Millinocket, ME

Average UV index in September - Millinocket, ME
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in September
Millinocket, ME

Average cloud cover in September - Millinocket, ME
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).

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Average visibility in September
Millinocket, ME

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

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

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