September weather forecast
East Machias, ME

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Weather in September

The first month of the autumn, September, is also an enjoyable month in East Machias, Maine, with an average temperature fluctuating between 63.5°F (17.5°C) and 54.5°F (12.5°C).

Temperature

The start of September sees the average high-temperature at a still refreshing 63.5°F (17.5°C), showing little difference from August's 67.8°F (19.9°C). East Machias's temperature during September nights registers a minor decrease to an average low of 54.5°F (12.5°C).

Humidity

In East Machias, the average relative humidity in September is 80%.

Rainfall

In East Machias, during September, the rain falls for 11 days and regularly aggregates up to 2.09" (53mm) of precipitation. In East Machias, during the entire year, the rain falls for 143.2 days and collects up to 29.37" (746mm) of precipitation.

Snowfall

In East Machias, snow does not fall in May through September.

Daylight

In East Machias, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:27 am and sunset at 6:11 pm EDT.

Sunshine

In September, the average sunshine is 7.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, in East Machias, the average high-temperature is 63.5°F (17.5°C), and the average low-temperature is 54.5°F (12.5°C).

What is the average humidity in September?

The average relative humidity in September in East Machias is 80%.

How many days does it rain in September?

In September, the rain falls for 11 days. Throughout September, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does East Machias have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 5:52 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:11 pm EDT.

How many hours of sunshine does East Machias have in September?

In East Machias, the average sunshine duration in September is 7.8h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
East Machias, ME

Average temperature in September - East Machias, ME
  • Average high temperature in September: 63.5°F

The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in September
East Machias, ME

Average pressure in September - East Machias, ME
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
East Machias, ME

Average wind speed in September - East Machias, ME
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

Average humidity in September
East Machias, ME

Average humidity in September - East Machias, ME
  • Average humidity in September: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (77%).

Average rainfall in September
East Machias, ME

Average rainfall in September - East Machias, ME
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is August (1.65").

Average rainfall days in September
East Machias, ME

Average rainfall days in September - East Machias, ME
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in September
East Machias, ME

Average snowfall in September - East Machias, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
East Machias, ME

Average snowfall days in September - East Machias, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
East Machias, ME

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in September
East Machias, ME

Average sunshine days in September - East Machias, ME
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in September
East Machias, ME

Average UV index in September - East Machias, ME
  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
East Machias, ME

Average cloud cover in September - East Machias, ME
  • Average cloud cover in September: 36

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
East Machias, ME

Average visibility in September - East Machias, 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).

East Machias, Maine, USA

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