September weather forecast
Primrose Acres, MD

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Weather in September

The first month of the autumn, September, is still a warm month in Primrose Acres, Maryland, with an average temperature varying between 77°F (25°C) and 64.6°F (18.1°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from 83.3°F (28.5°C) in August to a still warm 77°F (25°C). Primrose Acres's temperature tends to fall to an average low of 64.6°F (18.1°C) during the nights of September.

Humidity

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

Rainfall

In Primrose Acres, in September, it is raining for 10.5 days, with typically 0.63" (16mm) of accumulated precipitation. In Primrose Acres, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall in Primrose Acres.

Daylight

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

Sunshine

The average sunshine in September in Primrose Acres is 9.2h.

UV index

In September, the average daily maximum UV index in Primrose Acres is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the average September temperature in Primrose Acres?

In Primrose Acres, 77°F (25°C) is the average high-temperature and 64.6°F (18.1°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in September in Primrose Acres?

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

How much does it rain in Primrose Acres in September?

In September, in Primrose Acres, Maryland, the rain falls for 10.5 days. Throughout September, 0.63" (16mm) of precipitation is accumulated.

When it does not snow in Primrose Acres?

In Primrose Acres, Maryland, snow does not fall in April through October.

What is the average length of the day in September in Primrose Acres?

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

What time are sunrise and sunset in September in Primrose Acres?

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

How many hours of sunshine does Primrose Acres have in September?

In Primrose Acres, Maryland, the average sunshine duration in September is 9.2h.

How high is the UV index in September in Primrose Acres?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from 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
Primrose Acres, MD

Average temperature in September - Primrose Acres, MD
  • Average high temperature in September: 77°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 (40.3°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in September
Primrose Acres, MD

Average pressure in September - Primrose Acres, 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
Primrose Acres, MD

Average wind speed in September - Primrose Acres, MD
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in September
Primrose Acres, MD

Average humidity in September - Primrose 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
Primrose Acres, MD

Average rainfall in September - Primrose Acres, MD
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Primrose Acres, MD

Average rainfall days in September - Primrose Acres, MD
  • Average rainfall days in September: 10.5 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in September
Primrose Acres, MD

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

The month with the highest snowfall is January (0.67").
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
Primrose Acres, MD

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

The month with the highest number of snowfall days is February (2.5 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
Primrose Acres, MD

Average daylight in September / Average sunshine in September - Primrose 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in September
Primrose Acres, MD

Average sunshine days in September - Primrose Acres, MD
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in September
Primrose Acres, MD

Average UV index in September - Primrose 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, February and December (UV index 2).

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Average cloud cover in September
Primrose Acres, MD

Average cloud cover in September - Primrose Acres, MD
  • Average cloud cover in September: 33

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
Primrose Acres, MD

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

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