September weather forecast
Villa Monticello, MD

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Villa Monticello, Maryland, with an average temperature fluctuating between 58.6°F (14.8°C) and 75.9°F (24.4°C).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from 82.6°F (28.1°C) in August to a still warm 75.9°F (24.4°C). During September, the average low-temperature is a mild 58.6°F (14.8°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Villa Monticello, during September, the rain falls for 11.4 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Villa Monticello, during the entire year, the rain falls for 130.3 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

In Villa Monticello, snow does not fall in May through October.

Daylight

In Villa Monticello, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in Villa Monticello, is 75.9°F (24.4°C) and the average low-temperature is 58.6°F (14.8°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 78%.

How much does it rain in September?

In September, the rain falls for 11.4 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow in Villa Monticello?

In Villa Monticello, snow does not fall in May through October.

How many hours of daylight does Villa Monticello have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:37 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 long on average sun shines in September?

In September, the average sunshine duration is 8.8h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Villa Monticello, MD

Average temperature in September - Villa Monticello, MD
  • Average high temperature in September: 75.9°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 (37.6°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in September
Villa Monticello, MD

Average pressure in September - Villa Monticello, 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).

Average wind speed in September
Villa Monticello, MD

Average wind speed in September - Villa Monticello, MD
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Villa Monticello, MD

Average humidity in September - Villa Monticello, MD
  • Average humidity in September: 78%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, April, July and November (75%).

Average rainfall in September
Villa Monticello, MD

Average rainfall in September - Villa Monticello, MD
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in September
Villa Monticello, MD

Average rainfall days in September - Villa Monticello, MD
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and February (6.8 days).

Average snowfall in September
Villa Monticello, MD

Average snowfall in September - Villa Monticello, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Villa Monticello, MD

Average snowfall days in September - Villa Monticello, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.9 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
Villa Monticello, MD

Average daylight in September / Average sunshine in September - Villa Monticello, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Villa Monticello, MD

Average sunshine days in September - Villa Monticello, MD
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in September
Villa Monticello, MD

Average UV index in September - Villa Monticello, 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).

Average cloud cover in September
Villa Monticello, MD

Average cloud cover in September - Villa Monticello, MD
  • Average cloud cover in September: 38

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Villa Monticello, MD

Average visibility in September - Villa Monticello, 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).

Villa Monticello, Maryland, USA

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