September weather forecast
Marumsco Hills, VA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Marumsco Hills, Virginia, with an average temperature fluctuating between 61.3°F (16.3°C) and 79°F (26.1°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 86°F (30°C) in August to a moderately hot 79°F (26.1°C). In Marumsco Hills, the average nighttime temperature during September is a refreshing 61.3°F (16.3°C).

Humidity

The average relative humidity in September in Marumsco Hills is 76%.

Rainfall

In September, the rain falls for 12.6 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 164.3 rainfall days, and 32.32" (821mm) of precipitation is accumulated.

Snowfall

In Marumsco Hills, snow does not fall in May through November.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:38 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In September, in Marumsco Hills, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 61.3°F (16.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 96.8°F (36°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How many days does it rain in September?

In Marumsco Hills, during September, the rain falls for 12.6 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow?

May through November are months without snowfall.

How many hours of daylight does Marumsco Hills have in September?

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

When are sunrise and sunset in September in Marumsco Hills?

On the first day of September, sunrise is at 6:38 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.9h.

How high is the UV index in September?

In Marumsco Hills, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Marumsco Hills, VA

Average temperature in September - Marumsco Hills, VA
  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Marumsco Hills, VA

Average pressure in September - Marumsco Hills, VA
  • 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 (29.95"Hg).

Average wind speed in September
Marumsco Hills, VA

Average wind speed in September - Marumsco Hills, VA
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Marumsco Hills, VA

Average humidity in September - Marumsco Hills, VA
  • Average humidity in September: 76%

The months with the highest relative humidity are May, October and December (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in September
Marumsco Hills, VA

Average rainfall in September - Marumsco Hills, VA
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in September
Marumsco Hills, VA

Average rainfall days in September - Marumsco Hills, VA
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Marumsco Hills, VA

Average snowfall in September - Marumsco Hills, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in September
Marumsco Hills, VA

Average snowfall days in September - Marumsco Hills, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 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
Marumsco Hills, VA

Average daylight in September / Average sunshine in September - Marumsco Hills, VA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).

Average sunshine days in September
Marumsco Hills, VA

Average sunshine days in September - Marumsco Hills, VA
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in September
Marumsco Hills, VA

Average UV index in September - Marumsco Hills, VA
  • 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).

Average cloud cover in September
Marumsco Hills, VA

Average cloud cover in September - Marumsco Hills, VA
  • Average cloud cover in September: 36

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in September
Marumsco Hills, VA

Average visibility in September - Marumsco Hills, VA
  • 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).

Marumsco Hills, Virginia, USA

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