September weather forecast
Deer Park Ridge, MD

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Deer Park Ridge, Maryland, with an average temperature varying between 75.9°F (24.4°C) and 59°F (15°C).

Temperature

With the commencement of September, Deer Park Ridge records a moderate temperature decline, with the average high easing from August's warm 82.6°F (28.1°C) to a still moderately hot 75.9°F (24.4°C). An average nighttime temperature of 59°F (15°C) is witnessed in Deer Park Ridge throughout September.

Humidity

In September, the average relative humidity in Deer Park Ridge is 77%.

Rainfall

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

Snowfall

June through October are months without snowfall in Deer Park Ridge.

Daylight

In Deer Park Ridge, 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 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

Sunshine

In September, the average sunshine in Deer Park Ridge is 8.9h.

UV index

In Deer Park Ridge, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 4 during September leads to these instructions:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the average September temperature in Deer Park Ridge?

An average high-temperature, in September, in Deer Park Ridge, is 75.9°F (24.4°C) and the average low-temperature is 59°F (15°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 89.6°F (32°C).

What is the average humidity in September in Deer Park Ridge?

In Deer Park Ridge, the average relative humidity in September is 77%.

How much does it rain in Deer Park Ridge in September?

In Deer Park Ridge, during September, the rain falls for 13.9 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Deer Park Ridge?

In Deer Park Ridge, snow does not fall in June through October.

What is the average length of the day in September in Deer Park Ridge?

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

What time are sunrise and sunset in September in Deer Park Ridge?

On the first day of September in Deer Park Ridge, Maryland, 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 Deer Park Ridge have in September?

The average sunshine duration in September in Deer Park Ridge, Maryland, is 8.9h.

How high is the UV index in September in Deer Park Ridge?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Deer Park Ridge, MD

Average temperature in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average pressure in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average wind speed in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average humidity in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average rainfall in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average rainfall days in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average snowfall in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average snowfall days in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average daylight in September / Average sunshine in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average sunshine days in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average UV index in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average cloud cover in September - Deer Park Ridge, 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
Deer Park Ridge, MD

Average visibility in September - Deer Park Ridge, 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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Deer Park Ridge, Maryland, USA

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