September weather forecast
Joyce Acres, MD

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Weather in September

September, the first month of the autumn in Joyce Acres, is still a warm month, with an average temperature varying between 77.4°F (25.2°C) and 63.3°F (17.4°C).

Temperature

In Joyce Acres, the average high-temperature in September gently drops from 83.7°F (28.7°C) in August to a still moderately hot 77.4°F (25.2°C). An average low-temperature of 63.3°F (17.4°C) is expected during September.

Humidity

In September, the average relative humidity in Joyce Acres is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

May through October are months without snowfall in Joyce Acres.

Daylight

In Joyce Acres, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of September, in Joyce Acres, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

Sunshine

The average sunshine in September in Joyce Acres, Maryland, is 9.2h.

UV index

In September, the average daily maximum UV index in Joyce Acres is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the average September temperature in Joyce Acres?

In September, in Joyce Acres, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 63.3°F (17.4°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 91.4°F (33°C).

What is the average humidity in September in Joyce Acres?

In September, the average relative humidity in Joyce Acres is 75%.

What is the driest month in Joyce Acres?

September is the month with the least rainfall in Joyce Acres, Maryland. Rain falls for 11.8 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in Joyce Acres in September?

In Joyce Acres, in September, during 11.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow in Joyce Acres?

May through October are months without snowfall in Joyce Acres.

How many hours of daylight does Joyce Acres have in September?

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Joyce Acres?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of the month, in Joyce Acres, Maryland, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

How long on average sun shines in September in Joyce Acres?

In September, the average sunshine duration is 9.2h.

What is the UV index reading in September in Joyce Acres?

In September, the average daily maximum UV index in Joyce Acres, Maryland, is 5. A UV Index of 3 to 5 symbolizes 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
Joyce Acres, MD

Average temperature in September - Joyce Acres, MD
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in September
Joyce Acres, MD

Average pressure in September - Joyce Acres, MD
  • Average pressure in September: 30.05"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
Joyce Acres, MD

Average wind speed in September - Joyce Acres, MD
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in September
Joyce Acres, MD

Average humidity in September - Joyce Acres, 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
Joyce Acres, MD

Average rainfall in September - Joyce Acres, MD
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
Joyce Acres, MD

Average rainfall days in September - Joyce Acres, MD
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in September
Joyce Acres, MD

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Joyce Acres, MD

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

The month with the highest number of snowfall days is January (4.4 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
Joyce Acres, MD

Average daylight in September / Average sunshine in September - Joyce 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 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
Joyce Acres, MD

Average sunshine days in September - Joyce Acres, MD
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in September
Joyce Acres, MD

Average UV index in September - Joyce Acres, 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, November and December (UV index 2).

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Average cloud cover in September
Joyce Acres, MD

Average cloud cover in September - Joyce Acres, MD
  • Average cloud cover in September: 34

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
Joyce Acres, MD

Average visibility in September - Joyce Acres, 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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Joyce Acres, Maryland, USA

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