September weather forecast
Saint Agatha, ME

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Weather in September

The first month of the autumn, September, is still a refreshing month in Saint Agatha, Maine, with an average temperature ranging between max 63.5°F (17.5°C) and min 45.1°F (7.3°C).

Temperature

During the shift to September, Saint Agatha records a mild decrease in average high-temperature, moving from an agreeable 72.3°F (22.4°C) in August to an enjoyable 63.5°F (17.5°C). During September, Saint Agatha records a consistent average nighttime temperature of 45.1°F (7.3°C).

Humidity

The average relative humidity in September is 81%.

Rainfall

In Saint Agatha, during September, the rain falls for 13.1 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Saint Agatha, during the entire year, the rain falls for 140.8 days and collects up to 30.12" (765mm) of precipitation.

Snowfall

In Saint Agatha, snow does not fall in June through September.

Daylight

In Saint Agatha, the average length of the day in September is 12h and 33min.
On the first day of September, sunrise is at 5:53 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:14 pm EDT.

Sunshine

The average sunshine in September is 7.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What are the temperatures in September?

In September, the average high-temperature and low-temperature are 63.5°F (17.5°C) and 45.1°F (7.3°C) respectively.

What is the average humidity in September in Saint Agatha?

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

How many days does it rain in September?

In September, the rain falls for 13.1 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

When it does not snow?

In Saint Agatha, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Saint Agatha have in September?

The average day length in September is 12h and 33min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 5:53 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:14 pm EDT.

How many hours of sunshine does Saint Agatha have in September?

In Saint Agatha, the average sunshine duration in September is 7.3h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Saint Agatha, ME

Average temperature in September - Saint Agatha, ME
  • Average high temperature in September: 63.5°F

The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in September: 45.1°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).

Average pressure in September
Saint Agatha, ME

Average pressure in September - Saint Agatha, ME
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are March, September and November (30.01"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Saint Agatha, ME

Average wind speed in September - Saint Agatha, ME
  • Average wind speed in September: 6.8mph

The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in September
Saint Agatha, ME

Average humidity in September - Saint Agatha, ME
  • Average humidity in September: 81%

The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is May (76%).

Average rainfall in September
Saint Agatha, ME

Average rainfall in September - Saint Agatha, ME
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.97").

Average rainfall days in September
Saint Agatha, ME

Average rainfall days in September - Saint Agatha, ME
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (17.1 days).
The months with the least rainy days are January and February (4.3 days).

Average snowfall in September
Saint Agatha, ME

Average snowfall in September - Saint Agatha, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is January (14.92").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Saint Agatha, ME

Average snowfall days in September - Saint Agatha, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Saint Agatha, ME

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).

Average sunshine days in September
Saint Agatha, ME

Average sunshine days in September - Saint Agatha, ME
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is April (7.9 days).

Average UV index in September
Saint Agatha, ME

Average UV index in September - Saint Agatha, ME
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in September
Saint Agatha, ME

Average cloud cover in September - Saint Agatha, ME
  • Average cloud cover in September: 44

The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 42).

Average visibility in September
Saint Agatha, ME

Average visibility in September - Saint Agatha, ME
  • Average visibility in September: 5mi

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

Saint Agatha, Maine, USA

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