September weather forecast
Knoll View Acres, MD

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Knoll View Acres, Maryland, with temperature in the range of an average low of 59°F (15°C) and an average high of 75.9°F (24.4°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from 82.6°F (28.1°C) in August to a still moderately hot 75.9°F (24.4°C). In Knoll View Acres, the average low-temperature during the month of September is a mild 59°F (15°C).

Humidity

In Knoll View Acres, the average relative humidity in September is 77%.

Rainfall

In Knoll View Acres, during September, the rain falls for 13.9 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Knoll View Acres, during the entire year, the rain falls for 159 days and collects up to 31.61" (803mm) of precipitation.

Snowfall

In Knoll View Acres, snow does not fall in June through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

Sunshine

The average sunshine in September in Knoll View Acres is 8.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What are the temperatures in Knoll View Acres in September?

During September, Knoll View Acres experiences an average high-temperature of 75.9°F (24.4°C) and a low-temperature of 59°F (15°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Knoll View Acres?

In Knoll View Acres, Maryland, the average relative humidity in September is 77%.

How much does it rain in Knoll View Acres in September?

In Knoll View Acres, in September, it is raining for 13.9 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow in Knoll View Acres?

In Knoll View Acres, Maryland, snow does not fall in June through October.

What is the average length of the day in September in Knoll View Acres?

In Knoll View Acres, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Knoll View Acres?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

How many hours of sunshine does Knoll View Acres have in September?

The average sunshine duration in September in Knoll View Acres, Maryland, is 8.9h.

What is the UV index intensity in September in Knoll View Acres?

In September, the average daily maximum UV index in Knoll View Acres is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Knoll View Acres, MD

Average temperature in September - Knoll View Acres, MD
  • Average high temperature in September: 75.9°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 (37.6°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in September
Knoll View Acres, MD

Average pressure in September - Knoll View Acres, MD
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Knoll View Acres, MD

Average wind speed in September - Knoll View Acres, MD
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in September
Knoll View Acres, MD

Average humidity in September - Knoll View Acres, MD
  • Average humidity in September: 77%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and July (74%).

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Average rainfall in September
Knoll View Acres, MD

Average rainfall in September - Knoll View Acres, MD
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in September
Knoll View Acres, MD

Average rainfall days in September - Knoll View Acres, MD
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in September
Knoll View Acres, MD

Average snowfall in September - Knoll View Acres, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.8").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Knoll View Acres, MD

Average snowfall days in September - Knoll View Acres, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Knoll View Acres, MD

Average daylight in September / Average sunshine in September - Knoll View Acres, 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 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Knoll View Acres, MD

Average sunshine days in September - Knoll View Acres, MD
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in September
Knoll View Acres, MD

Average UV index in September - Knoll View Acres, MD
  • Average UV index in September: 4

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, November and December (UV index 2).

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Average cloud cover in September
Knoll View Acres, MD

Average cloud cover in September - Knoll View Acres, MD
  • Average cloud cover in September: 37

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in September
Knoll View Acres, MD

Average visibility in September - Knoll View Acres, MD
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Knoll View Acres, Maryland, USA

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