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 an average temperature varying between 76.6°F (24.8°C) and 65.1°F (18.4°C).

Temperature

The arrival of September signals a subtle shift in temperature, down from a warm 82.9°F (28.3°C) in August to a still moderately hot 76.6°F (24.8°C). An average low-temperature of 65.1°F (18.4°C) is noted during the nights in September.

Humidity

In September, the average relative humidity is 76%.

Rainfall

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

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, 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 September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature in Sunderland Farms during September are 76.6°F (24.8°C) and 65.1°F (18.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How many days does it rain in September?

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

When it does not snow in Sunderland Farms?

April through October are months without snowfall in Sunderland Farms.

What is the average length of the day in September?

In September, the average day length is 12h and 26min.

What time are sunrise and sunset in September?

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

How long on average sun shines in September?

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

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Sunderland Farms, Maryland, USA

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