September weather forecast
Machias, ME

Weather in September

September, the first month of the autumn in Machias, is still a comfortable month, with an average temperature varying between 63.5°F (17.5°C) and 54.5°F (12.5°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a still enjoyable 63.5°F (17.5°C). In Machias, Maine, in September, the average low-temperature is 54.5°F (12.5°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Machias, during 11 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Machias, during the entire year, the rain falls for 143.2 days and collects up to 29.37" (746mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Machias is 12h and 31min.
On the first day of September, sunrise is at 5:52 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:12 pm EDT.

Sunshine

In September, the average sunshine is 7.8h.

UV index

In Machias, Maine, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
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 Machias?

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

How much does it rain in Machias in September?

In Machias, Maine, in September, during 11 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Machias?

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

Does it snow in Machias in September?

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

What is the average length of the day in September in Machias?

The average day length in September in Machias is 12h and 31min.

When is the sunrise / sunset in September in Machias?

On the first day of September in Machias, Maine, sunrise is at 5:52 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:12 pm EDT.

How many hours of sunshine does Machias have in September?

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

What is the UV index reading in September in Machias?

The average daily maximum UV index in September in Machias, Maine, is 4. A UV Index 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Machias, ME

Average temperature in September - 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).

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Average pressure in September
Machias, ME

Average pressure in September - 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).

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Average wind speed in September
Machias, ME

Average wind speed in September - 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).

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Average humidity in September
Machias, ME

Average humidity in September - 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%).

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Average rainfall in September
Machias, ME

Average rainfall in September - 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").

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Average rainfall days in September
Machias, ME

Average rainfall days in September - 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).

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Average snowfall in September
Machias, ME

Average snowfall in September - 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").

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Average snowfall days in September
Machias, ME

Average snowfall days in September - 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).

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

Average daylight in September / Average sunshine in September - Machias, ME
  • Average daylight in September: 12h and 31min

The month with the longest days is June (Average daylight: 15h and 31min).
The month with the shortest days is December (Average daylight: 8h and 52min).

  • Average sunshine in September: 7h and 48min

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).

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Average sunshine days in September
Machias, ME

Average sunshine days in September - 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).

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Average UV index in September
Machias, ME

Average UV index in September - 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).

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Average cloud cover in September
Machias, ME

Average cloud cover in September - 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).

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Average visibility in September
Machias, ME

Average visibility in September - 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).

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