September weather forecast
Sunderland Farms, MD

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Weather in September

September, the first month of the autumn in Sunderland Farms, is also a moderately hot month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 65.1°F (18.4°C).

Temperature

Sunderland Farms's progression into September involves a minor drop in the average high-temperature, slightly receding from 82.9°F (28.3°C) in August to a still warm 76.6°F (24.8°C). An average temperature of 65.1°F (18.4°C) is recorded during the nights in September.

Humidity

The average relative humidity in September is 76%.

Rainfall

In September, in Sunderland Farms, the rain falls for 12.3 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Sunderland Farms, there are 132.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Sunderland Farms, Maryland, is 12h and 26min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of September, in Sunderland Farms, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

Sunshine

The average sunshine in September is 9.2h.

UV index

In Sunderland Farms, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What are September temperatures in Sunderland Farms?

In Sunderland Farms, in September, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 65.1°F (18.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 89.6°F (32°C).

What is the average humidity in September in Sunderland Farms?

In September, the average relative humidity in Sunderland Farms, Maryland, is 76%.

How much does it rain in Sunderland Farms in September?

In September, in Sunderland Farms, the rain falls for 12.3 days. Throughout September, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Sunderland Farms?

In Sunderland Farms, Maryland, snow does not fall in April through October.

How many hours of daylight does Sunderland Farms have in September?

In September, the average day length in Sunderland Farms, Maryland, is 12h and 26min.

When is the sunrise / sunset in September in Sunderland Farms?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, in Sunderland Farms, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

How many hours of sunshine does Sunderland Farms have in September?

In Sunderland Farms, Maryland, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September in Sunderland Farms?

In Sunderland Farms, Maryland, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Sunderland Farms, MD

Average temperature in September - Sunderland Farms, MD
  • Average high temperature in September: 76.6°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 (40.6°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in September
Sunderland Farms, MD

Average pressure in September - Sunderland Farms, 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
Sunderland Farms, MD

Average wind speed in September - Sunderland Farms, MD
  • Average wind speed in September: 7.7mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in September
Sunderland Farms, MD

Average humidity in September - Sunderland Farms, MD
  • Average humidity in September: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

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Average rainfall in September
Sunderland Farms, MD

Average rainfall in September - Sunderland Farms, MD
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in September
Sunderland Farms, MD

Average rainfall days in September - Sunderland Farms, MD
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in September
Sunderland Farms, MD

Average snowfall in September - Sunderland Farms, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.75").
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
Sunderland Farms, MD

Average snowfall days in September - Sunderland Farms, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.9 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
Sunderland Farms, MD

Average daylight in September / Average sunshine in September - Sunderland Farms, MD
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in September
Sunderland Farms, MD

Average sunshine days in September - Sunderland Farms, MD
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

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Average UV index in September
Sunderland Farms, MD

Average UV index in September - Sunderland Farms, 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 and December (UV index 2).

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Average cloud cover in September
Sunderland Farms, MD

Average cloud cover in September - Sunderland Farms, MD
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in September
Sunderland Farms, MD

Average visibility in September - Sunderland Farms, 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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Sunderland Farms, Maryland, USA

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