September weather forecast
East Prospect Plantation, MD

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Weather in September

September, the first month of the autumn in East Prospect Plantation, is also a moderately hot month, with an average temperature varying between 77.4°F (25.2°C) and 63.5°F (17.5°C).

Temperature

East Prospect Plantation's weather in September displays an average high-temperature of a still moderately hot 77.4°F (25.2°C), showing minor disparity from August's 82.6°F (28.1°C). Throughout September, East Prospect Plantation witnesses a nighttime temperature average of 63.5°F (17.5°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:48 pm EDT.

Sunshine

In East Prospect Plantation, the average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September in East Prospect Plantation is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 5 during September translates into the following guidance:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in East Prospect Plantation?

The high-temperature during September is 77.4°F (25.2°C) and the low-temperature is 63.5°F (17.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.

How many days does it rain in September?

In East Prospect Plantation, in September, during 12.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does East Prospect Plantation have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:48 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.3h.

How high is the UV index in September?

In September, the average daily maximum UV index in East Prospect Plantation is 5. A UV Index estimate 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
East Prospect Plantation, MD

Average temperature in September - East Prospect Plantation, MD
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in September
East Prospect Plantation, MD

Average pressure in September - East Prospect Plantation, 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
East Prospect Plantation, MD

Average wind speed in September - East Prospect Plantation, MD
  • Average wind speed in September: 7.4mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in September
East Prospect Plantation, MD

Average humidity in September - East Prospect Plantation, MD
  • Average humidity in September: 77%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in September
East Prospect Plantation, MD

Average rainfall in September - East Prospect Plantation, MD
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September
East Prospect Plantation, MD

Average rainfall days in September - East Prospect Plantation, MD
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
East Prospect Plantation, MD

Average snowfall in September - East Prospect Plantation, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
East Prospect Plantation, MD

Average snowfall days in September - East Prospect Plantation, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.2 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
East Prospect Plantation, MD

Average daylight in September / Average sunshine in September - East Prospect Plantation, 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 2min

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 0min).

Average sunshine days in September
East Prospect Plantation, MD

Average sunshine days in September - East Prospect Plantation, MD
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in September
East Prospect Plantation, MD

Average UV index in September - East Prospect Plantation, 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
East Prospect Plantation, MD

Average cloud cover in September - East Prospect Plantation, MD
  • Average cloud cover in September: 34

The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
East Prospect Plantation, MD

Average visibility in September - East Prospect Plantation, 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).

East Prospect Plantation, Maryland, USA

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