September weather forecast
Saint Margarets Farm, MD

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Weather in September

September, the first month of the autumn in Saint Margarets Farm, is also a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 64.6°F (18.1°C).

Temperature

As August makes way for September, Saint Margarets Farm's average high-temperature eases from a warm 83.3°F (28.5°C) to a still moderately hot 77°F (25°C). During September, Saint Margarets Farm experiences a consistent low-temperature average of 64.6°F (18.1°C).

Humidity

In Saint Margarets Farm, the average relative humidity in September is 75%.

Rainfall

In Saint Margarets Farm, in September, it is raining for 10.5 days, with typically 0.63" (16mm) of accumulated precipitation. In Saint Margarets Farm, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall in Saint Margarets Farm, Maryland.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

Sunshine

In Saint Margarets Farm, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index in Saint Margarets Farm is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the temperature in September in Saint Margarets Farm?

The high-temperature in Saint Margarets Farm, Maryland, during September is 77°F (25°C) and the low-temperature is 64.6°F (18.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in September in Saint Margarets Farm?

In September, the average relative humidity in Saint Margarets Farm, Maryland, is 75%.

How many days does it rain in September in Saint Margarets Farm?

In Saint Margarets Farm, during September, the rain falls for 10.5 days and regularly aggregates up to 0.63" (16mm) of precipitation.

When it does not snow in Saint Margarets Farm?

April through October are months without snowfall in Saint Margarets Farm.

How many hours of daylight does Saint Margarets Farm have in September?

In September, the average day length in Saint Margarets Farm, Maryland, is 12h and 26min.

When are sunrise and sunset in September in Saint Margarets Farm?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

How many hours of sunshine does Saint Margarets Farm have in September?

In Saint Margarets Farm, Maryland, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September in Saint Margarets Farm?

In Saint Margarets Farm, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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 Margarets Farm, MD

Average temperature in September - Saint Margarets Farm, MD
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in September
Saint Margarets Farm, MD

Average pressure in September - Saint Margarets Farm, MD
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Saint Margarets Farm, MD

Average wind speed in September - Saint Margarets Farm, MD
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in September
Saint Margarets Farm, MD

Average humidity in September - Saint Margarets Farm, MD
  • Average humidity in September: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in September
Saint Margarets Farm, MD

Average rainfall in September - Saint Margarets Farm, MD
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Saint Margarets Farm, MD

Average rainfall days in September - Saint Margarets Farm, MD
  • Average rainfall days in September: 10.5 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in September
Saint Margarets Farm, MD

Average snowfall in September - Saint Margarets Farm, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Saint Margarets Farm, MD

Average snowfall days in September - Saint Margarets Farm, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Saint Margarets Farm, MD

Average daylight in September / Average sunshine in September - Saint Margarets Farm, MD
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in September
Saint Margarets Farm, MD

Average sunshine days in September - Saint Margarets Farm, MD
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in September
Saint Margarets Farm, MD

Average UV index in September - Saint Margarets Farm, MD
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in September
Saint Margarets Farm, MD

Average cloud cover in September - Saint Margarets Farm, MD
  • Average cloud cover in September: 33

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in September
Saint Margarets Farm, MD

Average visibility in September - Saint Margarets Farm, MD
  • 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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Saint Margarets Farm, Maryland, USA

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