September weather forecast
Greenbush, ME

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Weather in September

September, the first month of the autumn in Greenbush, is still a pleasant month, with an average temperature varying between 68.9°F (20.5°C) and 50°F (10°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 77.2°F (25.1°C) in August to an agreeable 68.9°F (20.5°C). Nighttime temperature in Greenbush, Maine, experiences an average drop to a fresh 50°F (10°C) in September.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Greenbush, in September, during 10.5 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Greenbush, during the entire year, the rain falls for 148.7 days and collects up to 29.84" (758mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Greenbush, Maine, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 5:57 am and sunset at 7:11 pm. On the last day of September, in Greenbush, sunrise is at 6:32 am and sunset at 6:16 pm EDT.

Sunshine

The average sunshine in September in Greenbush is 8.1h.

UV index

In Greenbush, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the average September temperature in Greenbush?

An average high-temperature, in September, in Greenbush, is 68.9°F (20.5°C) and the average low-temperature is 50°F (10°C).

What is the average humidity in September in Greenbush?

In Greenbush, the average relative humidity in September is 78%.

How many days does it rain in September in Greenbush?

In September, the rain falls for 10.5 days. Throughout September, 2.01" (51mm) of precipitation is accumulated.

When it does not snow in Greenbush?

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

Does it snow in Greenbush in September?

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

How many hours of daylight does Greenbush have in September?

In September, the average day length is 12h and 31min.

What time are sunrise and sunset in September in Greenbush?

On the first day of September, sunrise is at 5:57 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 6:16 pm EDT.

How long on average sun shines in September in Greenbush?

In Greenbush, Maine, the average sunshine duration in September is 8.1h.

What is the UV index intensity in September in Greenbush?

In September, the average daily maximum UV index in Greenbush, Maine, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Greenbush, ME

Average temperature in September - Greenbush, ME
  • Average high temperature in September: 68.9°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in September
Greenbush, ME

Average pressure in September - Greenbush, 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
Greenbush, ME

Average wind speed in September - Greenbush, ME
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Greenbush, ME

Average humidity in September - Greenbush, ME
  • Average humidity in September: 78%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in September
Greenbush, ME

Average rainfall in September - Greenbush, ME
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").

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Average rainfall days in September
Greenbush, ME

Average rainfall days in September - Greenbush, ME
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in September
Greenbush, ME

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

The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Greenbush, ME

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

The month with the highest number of snowfall days is February (13.8 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
Greenbush, ME

Average daylight in September / Average sunshine in September - Greenbush, ME
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in September
Greenbush, ME

Average sunshine days in September - Greenbush, ME
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (10.1 days).

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Average UV index in September
Greenbush, ME

Average UV index in September - Greenbush, 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
Greenbush, ME

Average cloud cover in September - Greenbush, ME
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 39).

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Average visibility in September
Greenbush, ME

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

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

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Greenbush, Maine, USA

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