September weather forecast
Friendship, ME

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Weather in September

The first month of the autumn, September, is also an enjoyable month in Friendship, Maine, with an average temperature varying between 53.4°F (11.9°C) and 66.6°F (19.2°C).

Temperature

A mild drop in Friendship's average high-temperature is observed in September, transitioning from an agreeable 72.7°F (22.6°C) in August to an enjoyable 66.6°F (19.2°C). During September, Friendship experiences a consistent low-temperature average of 53.4°F (11.9°C).

Humidity

In Friendship, the average relative humidity in September is 81%.

Rainfall

In September, in Friendship, the rain falls for 10.1 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Friendship, there are 144.1 rainfall days, and 29.29" (744mm) of precipitation is accumulated.

Snowfall

In Friendship, snow does not fall in May through September.

Ocean temperature

In Friendship, in September, the average water temperature is 58.8°F (14.9°C).
Note: In 58.8°F (14.9°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.

Daylight

In Friendship, the average length of the day in September is 12h and 30min.
On the first day of September, sunrise is at 6:01 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 6:19 pm EDT.

Sunshine

The average sunshine in September in Friendship is 8.5h.

UV index

In Friendship, Maine, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Friendship in September?

In September, in Friendship, the average high-temperature is 66.6°F (19.2°C), and the average low-temperature is 53.4°F (11.9°C).

What is the average humidity in September in Friendship?

The average relative humidity in September in Friendship is 81%.

How much does it rain in Friendship in September?

In Friendship, Maine, in September, during 10.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow in Friendship?

May through September are months without snowfall in Friendship, Maine.

Does it snow in Friendship in September?

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

How cold is the water in September in Friendship?

In September, the average ocean temperature is 58.8°F (14.9°C). Swimming in 58.8°F (14.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Friendship have in September?

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

What time are sunrise and sunset in September in Friendship?

On the first day of September, sunrise is at 6:01 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 6:19 pm EDT.

How long on average sun shines in September in Friendship?

The average sunshine duration in September in Friendship is 8.5h.

What is the UV index reading in September in Friendship?

In Friendship, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Friendship, ME

Average temperature in September - Friendship, ME
  • Average high temperature in September: 66.6°F

The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in September
Friendship, ME

Average pressure in September - Friendship, 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).

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Average wind speed in September
Friendship, ME

Average wind speed in September - Friendship, ME
  • Average wind speed in September: 7.9mph

The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in September
Friendship, ME

Average humidity in September - Friendship, ME
  • Average humidity in September: 81%

The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in September
Friendship, ME

Average rainfall in September - Friendship, ME
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days in September
Friendship, ME

Average rainfall days in September - Friendship, ME
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in September
Friendship, ME

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

The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Friendship, ME

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in September
Friendship, ME

Average sea temperature in September - Friendship, ME
  • Average sea temperature in September: 58.9°F

The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest month (with the lowest average sea temperature) is March (38.1°F).

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

Average daylight in September / Average sunshine in September - Friendship, 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: 9h and 0min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days in September
Friendship, ME

Average sunshine days in September - Friendship, ME
  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).

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Average UV index in September
Friendship, ME

Average UV index in September - Friendship, 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, November and December (UV index 2).

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Average cloud cover in September
Friendship, ME

Average cloud cover in September - Friendship, ME
  • Average cloud cover in September: 33

The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in September
Friendship, ME

Average visibility in September - Friendship, ME
  • Average visibility in September: 6mi

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

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Friendship, Maine, USA

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